[lldb-dev] [Lldb-commits] [lldb] r277011 - Clean up vestigial remnants of locking primitives

Todd Fiala via lldb-dev lldb-dev at lists.llvm.org
Thu Jul 28 10:58:49 PDT 2016


This just needed the files pulled out of the Xcode project.

On Thu, Jul 28, 2016 at 10:52 AM, Todd Fiala <todd.fiala at gmail.com> wrote:

>
> clang: error: no such file or directory: '/Volumes/Data/src/
> lldb-llvm.org/lldb/source/Host/common/Condition.cpp'
>
> clang: error: no input files
>
>
> $ find . -name Condition.cpp
>
> $
>
> On Thu, Jul 28, 2016 at 10:49 AM, Todd Fiala <todd.fiala at gmail.com> wrote:
>
>> Hi Saleem,
>>
>> It looks like you're missing Condition.cpp from your checkin @277011?
>> Can you add it?
>>
>> -Todd
>>
>> On Thu, Jul 28, 2016 at 10:32 AM, Saleem Abdulrasool via lldb-commits <
>> lldb-commits at lists.llvm.org> wrote:
>>
>>> Author: compnerd
>>> Date: Thu Jul 28 12:32:20 2016
>>> New Revision: 277011
>>>
>>> URL: http://llvm.org/viewvc/llvm-project?rev=277011&view=rev
>>> Log:
>>> Clean up vestigial remnants of locking primitives
>>>
>>> This finally removes the use of the Mutex and Condition classes. This is
>>> an
>>> intricate patch as the Mutex and Condition classes were tied together.
>>> Furthermore, many places had slightly differing uses of time values.
>>> Convert
>>> timeout values to relative everywhere to permit the use of
>>> std::chrono::duration, which is required for the use of
>>> std::condition_variable's timeout. Adjust all Condition and related Mutex
>>> classes over to std::{,recursive_}mutex and std::condition_variable.
>>>
>>> This change primarily comes at the cost of breaking the TracingMutex
>>> which was
>>> based around the Mutex class. It would be possible to write a wrapper to
>>> provide similar functionality, but that is beyond the scope of this
>>> change.
>>>
>>> Removed:
>>>     lldb/trunk/include/lldb/Host/Condition.h
>>>     lldb/trunk/include/lldb/Host/Mutex.h
>>>     lldb/trunk/source/Host/common/Condition.cpp
>>>     lldb/trunk/source/Host/common/Mutex.cpp
>>>     lldb/trunk/source/Host/windows/Condition.cpp
>>>     lldb/trunk/source/Host/windows/Mutex.cpp
>>> Modified:
>>>     lldb/trunk/include/lldb/Core/Event.h
>>>     lldb/trunk/include/lldb/Core/Listener.h
>>>     lldb/trunk/include/lldb/Core/ThreadSafeDenseMap.h
>>>     lldb/trunk/include/lldb/Core/ThreadSafeDenseSet.h
>>>     lldb/trunk/include/lldb/Host/Editline.h
>>>     lldb/trunk/include/lldb/Host/Predicate.h
>>>     lldb/trunk/include/lldb/Host/ProcessRunLock.h
>>>     lldb/trunk/include/lldb/Target/Process.h
>>>     lldb/trunk/source/API/SBListener.cpp
>>>     lldb/trunk/source/Core/Communication.cpp
>>>     lldb/trunk/source/Core/Debugger.cpp
>>>     lldb/trunk/source/Core/Listener.cpp
>>>     lldb/trunk/source/Host/CMakeLists.txt
>>>     lldb/trunk/source/Host/common/Host.cpp
>>>     lldb/trunk/source/Host/posix/ConnectionFileDescriptorPosix.cpp
>>>
>>> lldb/trunk/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.h
>>>     lldb/trunk/source/Plugins/Platform/Linux/PlatformLinux.cpp
>>>     lldb/trunk/source/Plugins/Process/MacOSX-Kernel/CommunicationKDP.cpp
>>>     lldb/trunk/source/Plugins/Process/MacOSX-Kernel/CommunicationKDP.h
>>>     lldb/trunk/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp
>>>
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
>>>     lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.h
>>>
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
>>>
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
>>>
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteRegisterContext.cpp
>>>     lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
>>>     lldb/trunk/source/Target/Process.cpp
>>>     lldb/trunk/source/Target/Target.cpp
>>>
>>> Modified: lldb/trunk/include/lldb/Core/Event.h
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Core/Event.h?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/include/lldb/Core/Event.h (original)
>>> +++ lldb/trunk/include/lldb/Core/Event.h Thu Jul 28 12:32:20 2016
>>> @@ -12,6 +12,7 @@
>>>
>>>  // C Includes
>>>  // C++ Includes
>>> +#include <chrono>
>>>  #include <memory>
>>>  #include <string>
>>>
>>> @@ -141,7 +142,8 @@ public:
>>>      }
>>>
>>>      bool
>>> -    WaitForEventReceived (const TimeValue *abstime = nullptr, bool
>>> *timed_out = nullptr)
>>> +    WaitForEventReceived(const std::chrono::microseconds &abstime =
>>> std::chrono::microseconds(0),
>>> +                         bool *timed_out = nullptr)
>>>      {
>>>          return m_predicate.WaitForValueEqualTo(true, abstime,
>>> timed_out);
>>>      }
>>>
>>> Modified: lldb/trunk/include/lldb/Core/Listener.h
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Core/Listener.h?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/include/lldb/Core/Listener.h (original)
>>> +++ lldb/trunk/include/lldb/Core/Listener.h Thu Jul 28 12:32:20 2016
>>> @@ -12,6 +12,7 @@
>>>
>>>  // C Includes
>>>  // C++ Includes
>>> +#include <chrono>
>>>  #include <list>
>>>  #include <map>
>>>  #include <mutex>
>>> @@ -21,8 +22,6 @@
>>>  // Other libraries and framework includes
>>>  // Project includes
>>>  #include "lldb/lldb-private.h"
>>> -#include "lldb/Core/Broadcaster.h"
>>> -#include "lldb/Host/Condition.h"
>>>  #include "lldb/Core/Event.h"
>>>
>>>  namespace lldb_private {
>>> @@ -87,19 +86,15 @@ public:
>>>
>>>      // Returns true if an event was received, false if we timed out.
>>>      bool
>>> -    WaitForEvent (const TimeValue *timeout,
>>> -                  lldb::EventSP &event_sp);
>>> +    WaitForEvent(const std::chrono::microseconds &timeout,
>>> lldb::EventSP &event_sp);
>>>
>>>      bool
>>> -    WaitForEventForBroadcaster (const TimeValue *timeout,
>>> -                                Broadcaster *broadcaster,
>>> -                                lldb::EventSP &event_sp);
>>> +    WaitForEventForBroadcaster(const std::chrono::microseconds
>>> &timeout, Broadcaster *broadcaster,
>>> +                               lldb::EventSP &event_sp);
>>>
>>>      bool
>>> -    WaitForEventForBroadcasterWithType (const TimeValue *timeout,
>>> -                                        Broadcaster *broadcaster,
>>> -                                        uint32_t event_type_mask,
>>> -                                        lldb::EventSP &event_sp);
>>> +    WaitForEventForBroadcasterWithType(const std::chrono::microseconds
>>> &timeout, Broadcaster *broadcaster,
>>> +                                       uint32_t event_type_mask,
>>> lldb::EventSP &event_sp);
>>>
>>>      Event *
>>>      PeekAtNextEvent ();
>>> @@ -151,13 +146,10 @@ private:
>>>      typedef std::vector<lldb::BroadcasterManagerWP>
>>> broadcaster_manager_collection;
>>>
>>>      bool
>>> -    FindNextEventInternal(Mutex::Locker& lock,
>>> +    FindNextEventInternal(std::unique_lock<std::mutex> &lock,
>>>                            Broadcaster *broadcaster,   // nullptr for
>>> any broadcaster
>>>                            const ConstString *sources, // nullptr for
>>> any event
>>> -                          uint32_t num_sources,
>>> -                          uint32_t event_type_mask,
>>> -                          lldb::EventSP &event_sp,
>>> -                          bool remove);
>>> +                          uint32_t num_sources, uint32_t
>>> event_type_mask, lldb::EventSP &event_sp, bool remove);
>>>
>>>      bool
>>>      GetNextEventInternal(Broadcaster *broadcaster,   // nullptr for any
>>> broadcaster
>>> @@ -167,19 +159,17 @@ private:
>>>                           lldb::EventSP &event_sp);
>>>
>>>      bool
>>> -    WaitForEventsInternal(const TimeValue *timeout,
>>> +    WaitForEventsInternal(const std::chrono::microseconds &timeout,
>>>                            Broadcaster *broadcaster,   // nullptr for
>>> any broadcaster
>>>                            const ConstString *sources, // nullptr for
>>> any event
>>> -                          uint32_t num_sources,
>>> -                          uint32_t event_type_mask,
>>> -                          lldb::EventSP &event_sp);
>>> +                          uint32_t num_sources, uint32_t
>>> event_type_mask, lldb::EventSP &event_sp);
>>>
>>>      std::string m_name;
>>>      broadcaster_collection m_broadcasters;
>>>      std::recursive_mutex m_broadcasters_mutex; // Protects
>>> m_broadcasters
>>>      event_collection m_events;
>>> -    Mutex m_events_mutex; // Protects m_broadcasters and m_events
>>> -    Condition m_events_condition;
>>> +    std::mutex m_events_mutex; // Protects m_broadcasters and m_events
>>> +    std::condition_variable m_events_condition;
>>>      broadcaster_manager_collection m_broadcaster_managers;
>>>
>>>      void
>>>
>>> Modified: lldb/trunk/include/lldb/Core/ThreadSafeDenseMap.h
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Core/ThreadSafeDenseMap.h?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/include/lldb/Core/ThreadSafeDenseMap.h (original)
>>> +++ lldb/trunk/include/lldb/Core/ThreadSafeDenseMap.h Thu Jul 28
>>> 12:32:20 2016
>>> @@ -12,46 +12,41 @@
>>>
>>>  // C Includes
>>>  // C++ Includes
>>> +#include <mutex>
>>>
>>>  // Other libraries and framework includes
>>>  #include "llvm/ADT/DenseMap.h"
>>>
>>>  // Project includes
>>> -#include "lldb/Host/Mutex.h"
>>>
>>>  namespace lldb_private {
>>>
>>> -template <typename _KeyType, typename _ValueType>
>>> +template <typename _KeyType, typename _ValueType, typename _MutexType =
>>> std::mutex>
>>>  class ThreadSafeDenseMap
>>>  {
>>>  public:
>>>      typedef llvm::DenseMap<_KeyType,_ValueType> LLVMMapType;
>>> -
>>> -    ThreadSafeDenseMap(unsigned map_initial_capacity = 0,
>>> -                       Mutex::Type mutex_type =
>>> Mutex::eMutexTypeNormal) :
>>> -        m_map(map_initial_capacity),
>>> -        m_mutex(mutex_type)
>>> -    {
>>> -    }
>>> -
>>> +
>>> +    ThreadSafeDenseMap(unsigned map_initial_capacity = 0) :
>>> m_map(map_initial_capacity), m_mutex() {}
>>> +
>>>      void
>>>      Insert (_KeyType k, _ValueType v)
>>>      {
>>> -        Mutex::Locker locker(m_mutex);
>>> +        std::lock_guard<_MutexType> guard(m_mutex);
>>>          m_map.insert(std::make_pair(k,v));
>>>      }
>>>
>>>      void
>>>      Erase (_KeyType k)
>>>      {
>>> -        Mutex::Locker locker(m_mutex);
>>> +        std::lock_guard<_MutexType> guard(m_mutex);
>>>          m_map.erase(k);
>>>      }
>>>
>>>      _ValueType
>>>      Lookup (_KeyType k)
>>>      {
>>> -        Mutex::Locker locker(m_mutex);
>>> +        std::lock_guard<_MutexType> guard(m_mutex);
>>>          return m_map.lookup(k);
>>>      }
>>>
>>> @@ -59,7 +54,7 @@ public:
>>>      Lookup (_KeyType k,
>>>              _ValueType& v)
>>>      {
>>> -        Mutex::Locker locker(m_mutex);
>>> +        std::lock_guard<_MutexType> guard(m_mutex);
>>>          auto iter = m_map.find(k),
>>>               end = m_map.end();
>>>          if (iter == end)
>>> @@ -71,13 +66,13 @@ public:
>>>      void
>>>      Clear ()
>>>      {
>>> -        Mutex::Locker locker(m_mutex);
>>> +        std::lock_guard<_MutexType> guard(m_mutex);
>>>          m_map.clear();
>>>      }
>>>
>>>  protected:
>>>      LLVMMapType m_map;
>>> -    Mutex m_mutex;
>>> +    _MutexType m_mutex;
>>>  };
>>>
>>>  } // namespace lldb_private
>>>
>>> Modified: lldb/trunk/include/lldb/Core/ThreadSafeDenseSet.h
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Core/ThreadSafeDenseSet.h?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/include/lldb/Core/ThreadSafeDenseSet.h (original)
>>> +++ lldb/trunk/include/lldb/Core/ThreadSafeDenseSet.h Thu Jul 28
>>> 12:32:20 2016
>>> @@ -12,61 +12,56 @@
>>>
>>>  // C Includes
>>>  // C++ Includes
>>> +#include <mutex>
>>>
>>>  // Other libraries and framework includes
>>>  #include "llvm/ADT/DenseSet.h"
>>>
>>>  // Project includes
>>> -#include "lldb/Host/Mutex.h"
>>>
>>>  namespace lldb_private {
>>> -
>>> -    template <typename _ElementType>
>>> -    class ThreadSafeDenseSet
>>> +
>>> +template <typename _ElementType, typename _MutexType = std::mutex>
>>> +class ThreadSafeDenseSet
>>> +{
>>> +public:
>>> +    typedef llvm::DenseSet<_ElementType> LLVMSetType;
>>> +
>>> +    ThreadSafeDenseSet(unsigned set_initial_capacity = 0) :
>>> m_set(set_initial_capacity), m_mutex() {}
>>> +
>>> +    void
>>> +    Insert(_ElementType e)
>>>      {
>>> -    public:
>>> -        typedef llvm::DenseSet<_ElementType> LLVMSetType;
>>> -
>>> -        ThreadSafeDenseSet(unsigned set_initial_capacity = 0,
>>> -                           Mutex::Type mutex_type =
>>> Mutex::eMutexTypeNormal) :
>>> -        m_set(set_initial_capacity),
>>> -        m_mutex(mutex_type)
>>> -        {
>>> -        }
>>> -
>>> -        void
>>> -        Insert (_ElementType e)
>>> -        {
>>> -            Mutex::Locker locker(m_mutex);
>>> -            m_set.insert(e);
>>> -        }
>>> -
>>> -        void
>>> -        Erase (_ElementType e)
>>> -        {
>>> -            Mutex::Locker locker(m_mutex);
>>> -            m_set.erase(e);
>>> -        }
>>> -
>>> -        bool
>>> -        Lookup (_ElementType e)
>>> -        {
>>> -            Mutex::Locker locker(m_mutex);
>>> -            return (m_set.count(e) > 0);
>>> -        }
>>> -
>>> -        void
>>> -        Clear ()
>>> -        {
>>> -            Mutex::Locker locker(m_mutex);
>>> -            m_set.clear();
>>> -        }
>>> -
>>> -    protected:
>>> -        LLVMSetType m_set;
>>> -        Mutex m_mutex;
>>> -    };
>>> -
>>> +        std::lock_guard<_MutexType> guard(m_mutex);
>>> +        m_set.insert(e);
>>> +    }
>>> +
>>> +    void
>>> +    Erase(_ElementType e)
>>> +    {
>>> +        std::lock_guard<_MutexType> guard(m_mutex);
>>> +        m_set.erase(e);
>>> +    }
>>> +
>>> +    bool
>>> +    Lookup(_ElementType e)
>>> +    {
>>> +        std::lock_guard<_MutexType> guard(m_mutex);
>>> +        return (m_set.count(e) > 0);
>>> +    }
>>> +
>>> +    void
>>> +    Clear()
>>> +    {
>>> +        stds::lock_guard<_MutexType> guard(m_mutex);
>>> +        m_set.clear();
>>> +    }
>>> +
>>> +protected:
>>> +    LLVMSetType m_set;
>>> +    _MutexType m_mutex;
>>> +};
>>> +
>>>  } // namespace lldb_private
>>>
>>>  #endif  // liblldb_ThreadSafeDenseSet_h_
>>>
>>> Removed: lldb/trunk/include/lldb/Host/Condition.h
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Host/Condition.h?rev=277010&view=auto
>>>
>>> ==============================================================================
>>> --- lldb/trunk/include/lldb/Host/Condition.h (original)
>>> +++ lldb/trunk/include/lldb/Host/Condition.h (removed)
>>> @@ -1,123 +0,0 @@
>>> -//===-- Condition.h ---------------------------------------------*- C++
>>> -*-===//
>>> -//
>>> -//                     The LLVM Compiler Infrastructure
>>> -//
>>> -// This file is distributed under the University of Illinois Open Source
>>> -// License. See LICENSE.TXT for details.
>>> -//
>>>
>>> -//===----------------------------------------------------------------------===//
>>> -
>>> -#ifndef liblldb_Condition_h_
>>> -#define liblldb_Condition_h_
>>> -
>>> -// C Includes
>>> -// C++ Includes
>>> -// Other libraries and framework includes
>>> -// Project includes
>>> -#include "lldb/lldb-types.h"
>>> -#include "lldb/Host/Mutex.h"
>>> -
>>> -namespace lldb_private {
>>> -
>>> -class TimeValue;
>>> -
>>> -//----------------------------------------------------------------------
>>> -/// @class Condition Condition.h "lldb/Host/Condition.h"
>>> -/// @brief A C++ wrapper class for pthread condition variables.
>>> -///
>>> -/// A class that wraps up a pthread condition (pthread_cond_t). The
>>> -/// class will create a pthread condition when an instance is
>>> -/// constructed, and destroy it when it is destructed. It also provides
>>> -/// access to the standard pthread condition calls.
>>> -//----------------------------------------------------------------------
>>> -class Condition
>>> -{
>>> -public:
>>> -    //------------------------------------------------------------------
>>> -    /// Default constructor
>>> -    ///
>>> -    /// The default constructor will initialize a new pthread condition
>>> -    /// and maintain the condition in the object state.
>>> -    //------------------------------------------------------------------
>>> -    Condition ();
>>> -
>>> -    //------------------------------------------------------------------
>>> -    /// Destructor
>>> -    ///
>>> -    /// Destroys the pthread condition that the object owns.
>>> -    //------------------------------------------------------------------
>>> -    ~Condition ();
>>> -
>>> -    //------------------------------------------------------------------
>>> -    /// Unblock all threads waiting for a condition variable
>>> -    ///
>>> -    /// @return
>>> -    ///     The return value from \c pthread_cond_broadcast()
>>> -    //------------------------------------------------------------------
>>> -    int
>>> -    Broadcast ();
>>> -
>>> -    //------------------------------------------------------------------
>>> -    /// Unblocks one thread waiting for the condition variable
>>> -    ///
>>> -    /// @return
>>> -    ///     The return value from \c pthread_cond_signal()
>>> -    //------------------------------------------------------------------
>>> -    int
>>> -    Signal ();
>>> -
>>> -    //------------------------------------------------------------------
>>> -    /// Wait for the condition variable to be signaled.
>>> -    ///
>>> -    /// The Wait() function atomically blocks the current thread
>>> -    /// waiting on this object's condition variable, and unblocks
>>> -    /// \a mutex. The waiting thread unblocks only after another thread
>>> -    /// signals or broadcasts this object's condition variable.
>>> -    ///
>>> -    /// If \a abstime is non-nullptr, this function will return when the
>>> -    /// system time reaches the time specified in \a abstime if the
>>> -    /// condition variable doesn't get unblocked. If \a abstime is
>>> nullptr
>>> -    /// this function will wait for an infinite amount of time for the
>>> -    /// condition variable to be unblocked.
>>> -    ///
>>> -    /// The current thread re-acquires the lock on \a mutex following
>>> -    /// the wait.
>>> -    ///
>>> -    /// @param[in] mutex
>>> -    ///     The mutex to use in the \c pthread_cond_timedwait() or
>>> -    ///     \c pthread_cond_wait() calls.
>>> -    ///
>>> -    /// @param[in] abstime
>>> -    ///     An absolute time at which to stop waiting if non-nullptr,
>>> else
>>> -    ///     wait an infinite amount of time for the condition variable
>>> -    ///     toget signaled.
>>> -    ///
>>> -    /// @param[out] timed_out
>>> -    ///     If not nullptr, will be set to true if the wait timed out,
>>> and
>>> -    //      false otherwise.
>>> -    ///
>>> -    /// @see Condition::Broadcast()
>>> -    /// @see Condition::Signal()
>>> -    //------------------------------------------------------------------
>>> -    int
>>> -    Wait(Mutex &mutex, const TimeValue *abstime = nullptr, bool
>>> *timed_out = nullptr);
>>> -
>>> -protected:
>>> -    //------------------------------------------------------------------
>>> -    // Member variables
>>> -    //------------------------------------------------------------------
>>> -    lldb::condition_t m_condition; ///< The condition variable.
>>> -
>>> -    //------------------------------------------------------------------
>>> -    /// Get accessor to the pthread condition object.
>>> -    ///
>>> -    /// @return
>>> -    ///     A pointer to the condition variable owned by this object.
>>> -    //------------------------------------------------------------------
>>> -    lldb::condition_t *
>>> -    GetCondition ();
>>> -};
>>> -
>>> -} // namespace lldb_private
>>> -
>>> -#endif // liblldb_Condition_h_
>>>
>>> Modified: lldb/trunk/include/lldb/Host/Editline.h
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Host/Editline.h?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/include/lldb/Host/Editline.h (original)
>>> +++ lldb/trunk/include/lldb/Host/Editline.h Thu Jul 28 12:32:20 2016
>>> @@ -54,7 +54,6 @@
>>>  #include <string>
>>>  #include <vector>
>>>
>>> -#include "lldb/Host/Condition.h"
>>>  #include "lldb/Host/ConnectionFileDescriptor.h"
>>>  #include "lldb/Host/FileSpec.h"
>>>  #include "lldb/Host/Predicate.h"
>>>
>>> Removed: lldb/trunk/include/lldb/Host/Mutex.h
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Host/Mutex.h?rev=277010&view=auto
>>>
>>> ==============================================================================
>>> --- lldb/trunk/include/lldb/Host/Mutex.h (original)
>>> +++ lldb/trunk/include/lldb/Host/Mutex.h (removed)
>>> @@ -1,313 +0,0 @@
>>> -//===-- Mutex.h -------------------------------------------------*- C++
>>> -*-===//
>>> -//
>>> -//                     The LLVM Compiler Infrastructure
>>> -//
>>> -// This file is distributed under the University of Illinois Open Source
>>> -// License. See LICENSE.TXT for details.
>>> -//
>>>
>>> -//===----------------------------------------------------------------------===//
>>> -
>>> -#ifndef liblldb_Mutex_h_
>>> -#define liblldb_Mutex_h_
>>> -
>>> -// C Includes
>>> -// C++ Includes
>>> -#ifdef LLDB_CONFIGURATION_DEBUG
>>> -#include <string>
>>> -#endif
>>> -
>>> -// Other libraries and framework includes
>>> -// Project includes
>>> -#include "lldb/lldb-types.h"
>>> -
>>> -namespace lldb_private {
>>> -
>>> -//----------------------------------------------------------------------
>>> -/// @class Mutex Mutex.h "lldb/Host/Mutex.h"
>>> -/// @brief A C++ wrapper class for pthread mutexes.
>>> -//----------------------------------------------------------------------
>>> -class Mutex
>>> -{
>>> -public:
>>> -    friend class Locker;
>>> -    friend class Condition;
>>> -
>>> -    enum Type
>>> -    {
>>> -        eMutexTypeNormal,       ///< Mutex that can't recursively
>>> entered by the same thread
>>> -        eMutexTypeRecursive     ///< Mutex can be recursively entered
>>> by the same thread
>>> -    };
>>> -
>>> -    //------------------------------------------------------------------
>>> -    /// @class Mutex::Locker
>>> -    ///
>>> -    /// A scoped locking class that allows a variety of pthread mutex
>>> -    /// objects to have a mutex locked when an Mutex::Locker
>>> -    /// object is created, and unlocked when it goes out of scope or
>>> -    /// when the Mutex::Locker::Reset(pthread_mutex_t *)
>>> -    /// is called. This provides an exception safe way to lock a mutex
>>> -    /// in a scope.
>>> -    //------------------------------------------------------------------
>>> -    class Locker
>>> -    {
>>> -    public:
>>> -        //--------------------------------------------------------------
>>> -        /// Default constructor.
>>> -        ///
>>> -        /// This will create a scoped mutex locking object that doesn't
>>> -        /// have a mutex to lock. One will need to be provided using the
>>> -        /// Mutex::Locker::Reset(pthread_mutex_t *) method.
>>> -        ///
>>> -        /// @see Mutex::Locker::Reset(pthread_mutex_t *)
>>> -        //--------------------------------------------------------------
>>> -        Locker();
>>> -
>>> -        //--------------------------------------------------------------
>>> -        /// Constructor with a Mutex object.
>>> -        ///
>>> -        /// This will create a scoped mutex locking object that extracts
>>> -        /// the mutex owned by \a m and locks it.
>>> -        ///
>>> -        /// @param[in] m
>>> -        ///     An instance of a Mutex object that contains a
>>> -        ///     valid mutex object.
>>> -        //--------------------------------------------------------------
>>> -        Locker(Mutex& m);
>>> -
>>> -        //--------------------------------------------------------------
>>> -        /// Constructor with a Mutex object pointer.
>>> -        ///
>>> -        /// This will create a scoped mutex locking object that extracts
>>> -        /// the mutex owned by a m and locks it.
>>> -        ///
>>> -        /// @param[in] m
>>> -        ///     A pointer to instance of a Mutex object that
>>> -        ///     contains a valid mutex object.
>>> -        //--------------------------------------------------------------
>>> -        Locker(Mutex* m);
>>> -
>>> -        //--------------------------------------------------------------
>>> -        /// Destructor
>>> -        ///
>>> -        /// Unlocks any valid pthread_mutex_t that this object may
>>> -        /// contain.
>>> -        //--------------------------------------------------------------
>>> -        ~Locker();
>>> -
>>> -        //--------------------------------------------------------------
>>> -        /// Change the contained mutex.
>>> -        ///
>>> -        /// Unlock the current mutex in this object (if it contains a
>>> -        /// valid mutex) and lock the new \a mutex object if it is
>>> -        /// non-nullptr.
>>> -        //--------------------------------------------------------------
>>> -        void
>>> -        Lock (Mutex &mutex);
>>> -
>>> -        void
>>> -        Lock (Mutex *mutex)
>>> -        {
>>> -            if (mutex)
>>> -                Lock(*mutex);
>>> -        }
>>> -
>>> -        //--------------------------------------------------------------
>>> -        /// Change the contained mutex only if the mutex can be locked.
>>> -        ///
>>> -        /// Unlock the current mutex in this object (if it contains a
>>> -        /// valid mutex) and try to lock \a mutex. If \a mutex can be
>>> -        /// locked this object will take ownership of the lock and will
>>> -        /// unlock it when it goes out of scope or Reset or TryLock are
>>> -        /// called again. If the mutex is already locked, this object
>>> -        /// will not take ownership of the mutex.
>>> -        ///
>>> -        /// @return
>>> -        ///     Returns \b true if the lock was acquired and the this
>>> -        ///     object will unlock the mutex when it goes out of scope,
>>> -        ///     returns \b false otherwise.
>>> -        //--------------------------------------------------------------
>>> -        bool
>>> -        TryLock(Mutex &mutex, const char *failure_message = nullptr);
>>> -
>>> -        bool
>>> -        TryLock(Mutex *mutex, const char *failure_message = nullptr)
>>> -        {
>>> -            if (mutex)
>>> -                return TryLock(*mutex, failure_message);
>>> -            else
>>> -                return false;
>>> -        }
>>> -
>>> -        void
>>> -        Unlock ();
>>> -
>>> -    protected:
>>> -        //--------------------------------------------------------------
>>> -        /// Member variables
>>> -        //--------------------------------------------------------------
>>> -        Mutex *m_mutex_ptr;
>>> -
>>> -    private:
>>> -        Locker(const Locker&);
>>> -        const Locker& operator=(const Locker&);
>>> -    };
>>> -
>>> -    //------------------------------------------------------------------
>>> -    /// Default constructor.
>>> -    ///
>>> -    /// Creates a pthread mutex with no attributes.
>>> -    //------------------------------------------------------------------
>>> -    Mutex();
>>> -
>>> -    //------------------------------------------------------------------
>>> -    /// Default constructor.
>>> -    ///
>>> -    /// Creates a pthread mutex with \a type as the mutex type.
>>> -    /// Valid values for \a type include:
>>> -    ///     @li Mutex::Type::eMutexTypeNormal
>>> -    ///     @li Mutex::Type::eMutexTypeRecursive
>>> -    ///
>>> -    /// @param[in] type
>>> -    ///     The type of the mutex.
>>> -    ///
>>> -    /// @see ::pthread_mutexattr_settype()
>>> -    //------------------------------------------------------------------
>>> -    Mutex(Mutex::Type type);
>>> -
>>> -    //------------------------------------------------------------------
>>> -    /// Destructor.
>>> -    ///
>>> -    /// Destroys the mutex owned by this object.
>>> -    //------------------------------------------------------------------
>>> -#ifdef LLDB_CONFIGURATION_DEBUG
>>> -    virtual
>>> -#endif
>>> -    ~Mutex();
>>> -
>>> -    //------------------------------------------------------------------
>>> -    /// Lock the mutex.
>>> -    ///
>>> -    /// Locks the mutex owned by this object. If the mutex is already
>>> -    /// locked, the calling thread will block until the mutex becomes
>>> -    /// available.
>>> -    ///
>>> -    /// @return
>>> -    ///     The error code from \c pthread_mutex_lock().
>>> -    //------------------------------------------------------------------
>>> -#ifdef LLDB_CONFIGURATION_DEBUG
>>> -    virtual
>>> -#endif
>>> -    int
>>> -    Lock();
>>> -
>>> -    //------------------------------------------------------------------
>>> -    /// Try to lock the mutex.
>>> -    ///
>>> -    /// Attempts to lock the mutex owned by this object without
>>> blocking.
>>> -    /// If the mutex is already locked, TryLock() will not block waiting
>>> -    /// for the mutex, but will return an error condition.
>>> -    ///
>>> -    /// @return
>>> -    ///     The error code from \c pthread_mutex_trylock().
>>> -    //------------------------------------------------------------------
>>> -#ifdef LLDB_CONFIGURATION_DEBUG
>>> -    virtual
>>> -#endif
>>> -    int
>>> -    TryLock(const char *failure_message = nullptr);
>>> -
>>> -    //------------------------------------------------------------------
>>> -    /// Unlock the mutex.
>>> -    ///
>>> -    /// If the current thread holds the lock on the owned mutex, then
>>> -    /// Unlock() will unlock the mutex. Calling Unlock() on this object
>>> -    /// when the calling thread does not hold the lock will result in
>>> -    /// undefined behavior.
>>> -    ///
>>> -    /// @return
>>> -    ///     The error code from \c pthread_mutex_unlock().
>>> -    //------------------------------------------------------------------
>>> -#ifdef LLDB_CONFIGURATION_DEBUG
>>> -    virtual
>>> -#endif
>>> -    int
>>> -    Unlock();
>>> -
>>> -protected:
>>> -    //------------------------------------------------------------------
>>> -    // Member variables
>>> -    //------------------------------------------------------------------
>>> -    // TODO: Hide the mutex in the implementation file in case we ever
>>> need to port to an
>>> -    // architecture that doesn't have pthread mutexes.
>>> -    lldb::mutex_t m_mutex; ///< The OS mutex object.
>>> -
>>> -private:
>>> -    //------------------------------------------------------------------
>>> -    /// Mutex get accessor.
>>> -    ///
>>> -    /// @return
>>> -    ///     A pointer to the pthread mutex object owned by this object.
>>> -    //------------------------------------------------------------------
>>> -    lldb::mutex_t *
>>> -    GetMutex();
>>> -
>>> -    Mutex(const Mutex&);
>>> -    const Mutex& operator=(const Mutex&);
>>> -};
>>> -
>>> -#ifdef LLDB_CONFIGURATION_DEBUG
>>> -class TrackingMutex : public Mutex
>>> -{
>>> -public:
>>> -    TrackingMutex() : Mutex()  {}
>>> -    TrackingMutex(Mutex::Type type) : Mutex (type) {}
>>> -
>>> -    virtual
>>> -    ~TrackingMutex() = default;
>>> -
>>> -    virtual int
>>> -    Unlock ();
>>> -
>>> -    virtual int
>>> -    TryLock(const char *failure_message = nullptr)
>>> -    {
>>> -        int return_value = Mutex::TryLock();
>>> -        if (return_value != 0 && failure_message != nullptr)
>>> -        {
>>> -            m_failure_message.assign(failure_message);
>>> -            m_thread_that_tried = pthread_self();
>>> -        }
>>> -        return return_value;
>>> -    }
>>> -
>>> -protected:
>>> -    pthread_t m_thread_that_tried;
>>> -    std::string m_failure_message;
>>> -};
>>> -
>>> -class LoggingMutex : public Mutex
>>> -{
>>> -public:
>>> -    LoggingMutex() : Mutex(),m_locked(false)  {}
>>> -    LoggingMutex(Mutex::Type type) : Mutex (type),m_locked(false) {}
>>> -
>>> -    virtual
>>> -    ~LoggingMutex() = default;
>>> -
>>> -    virtual int
>>> -    Lock ();
>>> -
>>> -    virtual int
>>> -    Unlock ();
>>> -
>>> -    virtual int
>>> -    TryLock(const char *failure_message = nullptr);
>>> -
>>> -protected:
>>> -    bool m_locked;
>>> -};
>>> -#endif // LLDB_CONFIGURATION_DEBUG
>>> -
>>> -} // namespace lldb_private
>>> -
>>> -#endif // liblldb_Mutex_h_
>>>
>>> Modified: lldb/trunk/include/lldb/Host/Predicate.h
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Host/Predicate.h?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/include/lldb/Host/Predicate.h (original)
>>> +++ lldb/trunk/include/lldb/Host/Predicate.h Thu Jul 28 12:32:20 2016
>>> @@ -15,11 +15,12 @@
>>>  #include <time.h>
>>>
>>>  // C++ Includes
>>> +#include <condition_variable>
>>> +#include <mutex>
>>> +
>>>  // Other libraries and framework includes
>>>  // Project includes
>>>  #include "lldb/lldb-defines.h"
>>> -#include "lldb/Host/Mutex.h"
>>> -#include "lldb/Host/Condition.h"
>>>
>>>  //#define DB_PTHREAD_LOG_EVENTS
>>>
>>> @@ -97,7 +98,7 @@ public:
>>>      T
>>>      GetValue () const
>>>      {
>>> -        Mutex::Locker locker(m_mutex);
>>> +        std::lock_guard<std::mutex> guard(m_mutex);
>>>          T value = m_value;
>>>          return value;
>>>      }
>>> @@ -120,7 +121,7 @@ public:
>>>      void
>>>      SetValue (T value, PredicateBroadcastType broadcast_type)
>>>      {
>>> -        Mutex::Locker locker(m_mutex);
>>> +        std::lock_guard<std::mutex> guard(m_mutex);
>>>  #ifdef DB_PTHREAD_LOG_EVENTS
>>>          printf("%s (value = 0x%8.8x, broadcast_type = %i)\n",
>>> __FUNCTION__, value, broadcast_type);
>>>  #endif
>>> @@ -148,7 +149,7 @@ public:
>>>      void
>>>      SetValueBits (T bits, PredicateBroadcastType broadcast_type)
>>>      {
>>> -        Mutex::Locker locker(m_mutex);
>>> +        std::lock_guard<std::mutex> guard(m_mutex);
>>>  #ifdef DB_PTHREAD_LOG_EVENTS
>>>          printf("%s (bits = 0x%8.8x, broadcast_type = %i)\n",
>>> __FUNCTION__, bits, broadcast_type);
>>>  #endif
>>> @@ -176,7 +177,7 @@ public:
>>>      void
>>>      ResetValueBits (T bits, PredicateBroadcastType broadcast_type)
>>>      {
>>> -        Mutex::Locker locker(m_mutex);
>>> +        std::lock_guard<std::mutex> guard(m_mutex);
>>>  #ifdef DB_PTHREAD_LOG_EVENTS
>>>          printf("%s (bits = 0x%8.8x, broadcast_type = %i)\n",
>>> __FUNCTION__, bits, broadcast_type);
>>>  #endif
>>> @@ -213,21 +214,30 @@ public:
>>>      ///     occurred.
>>>      //------------------------------------------------------------------
>>>      T
>>> -    WaitForSetValueBits(T bits, const TimeValue *abstime = nullptr)
>>> +    WaitForSetValueBits(T bits, const std::chrono::microseconds
>>> &timeout = std::chrono::microseconds(0))
>>>      {
>>> -        int err = 0;
>>>          // pthread_cond_timedwait() or pthread_cond_wait() will
>>> atomically
>>>          // unlock the mutex and wait for the condition to be set. When
>>> either
>>>          // function returns, they will re-lock the mutex. We use an
>>> auto lock/unlock
>>> -        // class (Mutex::Locker) to allow us to return at any point in
>>> this
>>> +        // class (std::lock_guard) to allow us to return at any point
>>> in this
>>>          // function and not have to worry about unlocking the mutex.
>>> -        Mutex::Locker locker(m_mutex);
>>> +        std::unique_lock<std::mutex> lock(m_mutex);
>>>  #ifdef DB_PTHREAD_LOG_EVENTS
>>> -        printf("%s (bits = 0x%8.8x, abstime = %p), m_value =
>>> 0x%8.8x\n", __FUNCTION__, bits, abstime, m_value);
>>> +        printf("%s (bits = 0x%8.8x, timeout = %llu), m_value =
>>> 0x%8.8x\n", __FUNCTION__, bits, timeout.count(),
>>> +               m_value);
>>>  #endif
>>> -        while (err == 0 && ((m_value & bits) == 0))
>>> +        while ((m_value & bits) == 0)
>>>          {
>>> -            err = m_condition.Wait (m_mutex, abstime);
>>> +            if (timeout == std::chrono::microseconds(0))
>>> +            {
>>> +                m_condition.wait(lock);
>>> +            }
>>> +            else
>>> +            {
>>> +                std::cv_status result = m_condition.wait_for(lock,
>>> timeout);
>>> +                if (result == std::cv_status::timeout)
>>> +                    break;
>>> +            }
>>>          }
>>>  #ifdef DB_PTHREAD_LOG_EVENTS
>>>          printf("%s (bits = 0x%8.8x), m_value = 0x%8.8x, returning
>>> 0x%8.8x\n", __FUNCTION__, bits, m_value, m_value & bits);
>>> @@ -262,23 +272,31 @@ public:
>>>      ///     unrecoverable error occurs.
>>>      //------------------------------------------------------------------
>>>      T
>>> -    WaitForResetValueBits(T bits, const TimeValue *abstime = nullptr)
>>> +    WaitForResetValueBits(T bits, const std::chrono::microseconds
>>> &timeout = std::chrono::microseconds(0))
>>>      {
>>> -        int err = 0;
>>> -
>>>          // pthread_cond_timedwait() or pthread_cond_wait() will
>>> atomically
>>>          // unlock the mutex and wait for the condition to be set. When
>>> either
>>>          // function returns, they will re-lock the mutex. We use an
>>> auto lock/unlock
>>> -        // class (Mutex::Locker) to allow us to return at any point in
>>> this
>>> +        // class (std::lock_guard) to allow us to return at any point
>>> in this
>>>          // function and not have to worry about unlocking the mutex.
>>> -        Mutex::Locker locker(m_mutex);
>>> +        std::unique_lock<std::mutex> lock(m_mutex);
>>>
>>>  #ifdef DB_PTHREAD_LOG_EVENTS
>>> -        printf("%s (bits = 0x%8.8x, abstime = %p), m_value =
>>> 0x%8.8x\n", __FUNCTION__, bits, abstime, m_value);
>>> +        printf("%s (bits = 0x%8.8x, timeout = %llu), m_value =
>>> 0x%8.8x\n", __FUNCTION__, bits, timeout.count(),
>>> +               m_value);
>>>  #endif
>>> -        while (err == 0 && ((m_value & bits) != 0))
>>> +        while ((m_value & bits) != 0)
>>>          {
>>> -            err = m_condition.Wait (m_mutex, abstime);
>>> +            if (timeout == std::chrono::microseconds(0))
>>> +            {
>>> +                m_condition.wait(lock);
>>> +            }
>>> +            else
>>> +            {
>>> +                std::cv_status result = m_condition.wait_for(lock,
>>> timeout);
>>> +                if (result == std::cv_status::timeout)
>>> +                    break;
>>> +            }
>>>          }
>>>
>>>  #ifdef DB_PTHREAD_LOG_EVENTS
>>> @@ -317,25 +335,39 @@ public:
>>>      ///     @li \b false otherwise
>>>      //------------------------------------------------------------------
>>>      bool
>>> -    WaitForValueEqualTo(T value, const TimeValue *abstime = nullptr,
>>> bool *timed_out = nullptr)
>>> +    WaitForValueEqualTo(T value, const std::chrono::microseconds
>>> &timeout = std::chrono::microseconds(0),
>>> +                        bool *timed_out = nullptr)
>>>      {
>>> -        int err = 0;
>>>          // pthread_cond_timedwait() or pthread_cond_wait() will
>>> atomically
>>>          // unlock the mutex and wait for the condition to be set. When
>>> either
>>>          // function returns, they will re-lock the mutex. We use an
>>> auto lock/unlock
>>> -        // class (Mutex::Locker) to allow us to return at any point in
>>> this
>>> +        // class (std::lock_guard) to allow us to return at any point
>>> in this
>>>          // function and not have to worry about unlocking the mutex.
>>> -        Mutex::Locker locker(m_mutex);
>>> +        std::unique_lock<std::mutex> lock(m_mutex);
>>>
>>>  #ifdef DB_PTHREAD_LOG_EVENTS
>>> -        printf("%s (value = 0x%8.8x, abstime = %p), m_value =
>>> 0x%8.8x\n", __FUNCTION__, value, abstime, m_value);
>>> +        printf("%s (value = 0x%8.8x, timeout = %llu), m_value =
>>> 0x%8.8x\n", __FUNCTION__, value, timeout.count(),
>>> +               m_value);
>>>  #endif
>>>          if (timed_out)
>>>              *timed_out = false;
>>>
>>> -        while (err == 0 && m_value != value)
>>> +        while (m_value != value)
>>>          {
>>> -            err = m_condition.Wait (m_mutex, abstime, timed_out);
>>> +            if (timeout == std::chrono::microseconds(0))
>>> +            {
>>> +                m_condition.wait(lock);
>>> +            }
>>> +            else
>>> +            {
>>> +                std::cv_status result = m_condition.wait_for(lock,
>>> timeout);
>>> +                if (result == std::cv_status::timeout)
>>> +                {
>>> +                    if (timed_out)
>>> +                        *timed_out = true;
>>> +                    break;
>>> +                }
>>> +            }
>>>          }
>>>
>>>          return m_value == value;
>>> @@ -378,26 +410,39 @@ public:
>>>      //------------------------------------------------------------------
>>>      bool
>>>      WaitForValueEqualToAndSetValueTo(T wait_value, T new_value,
>>> -                                     const TimeValue *abstime = nullptr,
>>> +                                     const std::chrono::microseconds
>>> &timeout = std::chrono::microseconds(0),
>>>                                       bool *timed_out = nullptr)
>>>      {
>>> -        int err = 0;
>>>          // pthread_cond_timedwait() or pthread_cond_wait() will
>>> atomically
>>>          // unlock the mutex and wait for the condition to be set. When
>>> either
>>>          // function returns, they will re-lock the mutex. We use an
>>> auto lock/unlock
>>> -        // class (Mutex::Locker) to allow us to return at any point in
>>> this
>>> +        // class (std::lock_guard) to allow us to return at any point
>>> in this
>>>          // function and not have to worry about unlocking the mutex.
>>> -        Mutex::Locker locker(m_mutex);
>>> +        std::unique_lock<std::mutex> lock(m_mutex);
>>>
>>>  #ifdef DB_PTHREAD_LOG_EVENTS
>>> -        printf("%s (wait_value = 0x%8.8x, new_value = 0x%8.8x, abstime
>>> = %p), m_value = 0x%8.8x\n", __FUNCTION__, wait_value, new_value, abstime,
>>> m_value);
>>> +        printf("%s (wait_value = 0x%8.8x, new_value = 0x%8.8x, timeout
>>> = %llu), m_value = 0x%8.8x\n", __FUNCTION__,
>>> +               wait_value, new_value, timeout.count(), m_value);
>>>  #endif
>>>          if (timed_out)
>>>              *timed_out = false;
>>>
>>> -        while (err == 0 && m_value != wait_value)
>>> +        while (m_value != wait_value)
>>>          {
>>> -            err = m_condition.Wait (m_mutex, abstime, timed_out);
>>> +            if (timeout == std::chrono::microseconds(0))
>>> +            {
>>> +                m_condition.wait(lock);
>>> +            }
>>> +            else
>>> +            {
>>> +                std::cv_status result = m_condition.wait_for(m_mutex,
>>> timeout);
>>> +                if (result == std::cv_status::timeout)
>>> +                {
>>> +                    if (timed_out)
>>> +                        *timed_out = true;
>>> +                    break;
>>> +                }
>>> +            }
>>>          }
>>>
>>>          if (m_value == wait_value)
>>> @@ -438,21 +483,31 @@ public:
>>>      ///     @li \b false otherwise
>>>      //------------------------------------------------------------------
>>>      bool
>>> -    WaitForValueNotEqualTo(T value, T &new_value, const TimeValue
>>> *abstime = nullptr)
>>> +    WaitForValueNotEqualTo(T value, T &new_value,
>>> +                           const std::chrono::microseconds &timeout =
>>> std::chrono::microseconds(0))
>>>      {
>>> -        int err = 0;
>>>          // pthread_cond_timedwait() or pthread_cond_wait() will
>>> atomically
>>>          // unlock the mutex and wait for the condition to be set. When
>>> either
>>>          // function returns, they will re-lock the mutex. We use an
>>> auto lock/unlock
>>> -        // class (Mutex::Locker) to allow us to return at any point in
>>> this
>>> +        // class (std::lock_guard) to allow us to return at any point
>>> in this
>>>          // function and not have to worry about unlocking the mutex.
>>> -        Mutex::Locker locker(m_mutex);
>>> +        std::unique_lock<std::mutex> lock(m_mutex);
>>>  #ifdef DB_PTHREAD_LOG_EVENTS
>>> -        printf("%s (value = 0x%8.8x, abstime = %p), m_value =
>>> 0x%8.8x\n", __FUNCTION__, value, abstime, m_value);
>>> +        printf("%s (value = 0x%8.8x, timeout = %llu), m_value =
>>> 0x%8.8x\n", __FUNCTION__, value, timeout.count(),
>>> +               m_value);
>>>  #endif
>>> -        while (err == 0 && m_value == value)
>>> +        while (m_value == value)
>>>          {
>>> -            err = m_condition.Wait (m_mutex, abstime);
>>> +            if (timeout == std::chrono::microseconds(0))
>>> +            {
>>> +                m_condition.wait(lock);
>>> +            }
>>> +            else
>>> +            {
>>> +                std::cv_status result = m_condition.wait_for(lock,
>>> timeout);
>>> +                if (result == std::cv_status::timeout)
>>> +                    break;
>>> +            }
>>>          }
>>>
>>>          if (m_value != value)
>>> @@ -469,8 +524,9 @@ protected:
>>>      // blocking between the main thread and the spotlight index thread.
>>>
>>>  //----------------------------------------------------------------------
>>>      T           m_value;        ///< The templatized value T that we
>>> are protecting access to
>>> -    mutable Mutex m_mutex;      ///< The mutex to use when accessing
>>> the data
>>> -    Condition   m_condition;    ///< The pthread condition variable to
>>> use for signaling that data available or changed.
>>> +    mutable std::mutex m_mutex; ///< The mutex to use when accessing
>>> the data
>>> +    std::condition_variable
>>> +        m_condition; ///< The pthread condition variable to use for
>>> signaling that data available or changed.
>>>
>>>  private:
>>>      //------------------------------------------------------------------
>>> @@ -496,7 +552,7 @@ private:
>>>          printf("%s (old_value = 0x%8.8x, broadcast_type = %i) m_value =
>>> 0x%8.8x, broadcast = %u\n", __FUNCTION__, old_value, broadcast_type,
>>> m_value, broadcast);
>>>  #endif
>>>          if (broadcast)
>>> -            m_condition.Broadcast();
>>> +            m_condition.notify_all();
>>>      }
>>>
>>>      DISALLOW_COPY_AND_ASSIGN(Predicate);
>>>
>>> Modified: lldb/trunk/include/lldb/Host/ProcessRunLock.h
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Host/ProcessRunLock.h?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/include/lldb/Host/ProcessRunLock.h (original)
>>> +++ lldb/trunk/include/lldb/Host/ProcessRunLock.h Thu Jul 28 12:32:20
>>> 2016
>>> @@ -18,7 +18,6 @@
>>>  // Other libraries and framework includes
>>>  // Project includes
>>>  #include "lldb/lldb-defines.h"
>>> -#include "lldb/Host/Condition.h"
>>>
>>>  //----------------------------------------------------------------------
>>>  /// Enumerations for broadcasting.
>>>
>>> Modified: lldb/trunk/include/lldb/Target/Process.h
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Target/Process.h?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/include/lldb/Target/Process.h (original)
>>> +++ lldb/trunk/include/lldb/Target/Process.h Thu Jul 28 12:32:20 2016
>>> @@ -16,6 +16,7 @@
>>>  #include <limits.h>
>>>
>>>  // C++ Includes
>>> +#include <chrono>
>>>  #include <list>
>>>  #include <memory>
>>>  #include <mutex>
>>> @@ -2920,12 +2921,9 @@ public:
>>>      // function releases the run lock after the stop. Setting
>>> use_run_lock to false
>>>      // will avoid this behavior.
>>>      lldb::StateType
>>> -    WaitForProcessToStop(const TimeValue *timeout,
>>> -                         lldb::EventSP *event_sp_ptr = nullptr,
>>> -                         bool wait_always = true,
>>> -                         lldb::ListenerSP hijack_listener =
>>> lldb::ListenerSP(),
>>> -                         Stream *stream = nullptr,
>>> -                         bool use_run_lock = true);
>>> +    WaitForProcessToStop(const std::chrono::microseconds &timeout,
>>> lldb::EventSP *event_sp_ptr = nullptr,
>>> +                         bool wait_always = true, lldb::ListenerSP
>>> hijack_listener = lldb::ListenerSP(),
>>> +                         Stream *stream = nullptr, bool use_run_lock =
>>> true);
>>>
>>>      uint32_t
>>>      GetIOHandlerID () const
>>> @@ -2947,8 +2945,7 @@ public:
>>>      SyncIOHandler (uint32_t iohandler_id, uint64_t timeout_msec);
>>>
>>>      lldb::StateType
>>> -    WaitForStateChangedEvents(const TimeValue *timeout,
>>> -                              lldb::EventSP &event_sp,
>>> +    WaitForStateChangedEvents(const std::chrono::microseconds &timeout,
>>> lldb::EventSP &event_sp,
>>>                                lldb::ListenerSP hijack_listener); //
>>> Pass an empty ListenerSP to use builtin listener
>>>
>>>
>>>  //--------------------------------------------------------------------------------------
>>> @@ -3538,21 +3535,20 @@ protected:
>>>      HaltPrivate();
>>>
>>>      lldb::StateType
>>> -    WaitForProcessStopPrivate (const TimeValue *timeout, lldb::EventSP
>>> &event_sp);
>>> +    WaitForProcessStopPrivate(const std::chrono::microseconds &timeout,
>>> lldb::EventSP &event_sp);
>>>
>>>      // This waits for both the state change broadcaster, and the
>>> control broadcaster.
>>>      // If control_only, it only waits for the control broadcaster.
>>>
>>>      bool
>>> -    WaitForEventsPrivate (const TimeValue *timeout, lldb::EventSP
>>> &event_sp, bool control_only);
>>> +    WaitForEventsPrivate(const std::chrono::microseconds &timeout,
>>> lldb::EventSP &event_sp, bool control_only);
>>>
>>>      lldb::StateType
>>> -    WaitForStateChangedEventsPrivate (const TimeValue *timeout,
>>> lldb::EventSP &event_sp);
>>> +    WaitForStateChangedEventsPrivate(const std::chrono::microseconds
>>> &timeout, lldb::EventSP &event_sp);
>>>
>>>      lldb::StateType
>>> -    WaitForState (const TimeValue *timeout,
>>> -                  const lldb::StateType *match_states,
>>> -                  const uint32_t num_match_states);
>>> +    WaitForState(const std::chrono::microseconds &timeout, const
>>> lldb::StateType *match_states,
>>> +                 const uint32_t num_match_states);
>>>
>>>      size_t
>>>      WriteMemoryPrivate (lldb::addr_t addr, const void *buf, size_t
>>> size, Error &error);
>>>
>>> Modified: lldb/trunk/source/API/SBListener.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/API/SBListener.cpp?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/API/SBListener.cpp (original)
>>> +++ lldb/trunk/source/API/SBListener.cpp Thu Jul 28 12:32:20 2016
>>> @@ -17,7 +17,6 @@
>>>  #include "lldb/Core/Listener.h"
>>>  #include "lldb/Core/Log.h"
>>>  #include "lldb/Core/StreamString.h"
>>> -#include "lldb/Host/TimeValue.h"
>>>
>>>
>>>  using namespace lldb;
>>> @@ -202,15 +201,14 @@ SBListener::WaitForEvent (uint32_t timeo
>>>
>>>      if (m_opaque_sp)
>>>      {
>>> -        TimeValue time_value;
>>> +        std::chrono::microseconds timeout =
>>> std::chrono::microseconds(0);
>>>          if (timeout_secs != UINT32_MAX)
>>>          {
>>>              assert (timeout_secs != 0); // Take this out after all
>>> calls with timeout set to zero have been removed....
>>> -            time_value = TimeValue::Now();
>>> -            time_value.OffsetWithSeconds (timeout_secs);
>>> +            timeout = std::chrono::seconds(timeout_secs);
>>>          }
>>>          EventSP event_sp;
>>> -        if (m_opaque_sp->WaitForEvent (time_value.IsValid() ?
>>> &time_value : NULL, event_sp))
>>> +        if (m_opaque_sp->WaitForEvent(timeout, event_sp))
>>>          {
>>>              event.reset (event_sp);
>>>              success = true;
>>> @@ -247,16 +245,11 @@ SBListener::WaitForEventForBroadcaster
>>>  {
>>>      if (m_opaque_sp && broadcaster.IsValid())
>>>      {
>>> -        TimeValue time_value;
>>> +        std::chrono::microseconds timeout =
>>> std::chrono::microseconds(0);
>>>          if (num_seconds != UINT32_MAX)
>>> -        {
>>> -            time_value = TimeValue::Now();
>>> -            time_value.OffsetWithSeconds (num_seconds);
>>> -        }
>>> +            timeout = std::chrono::seconds(num_seconds);
>>>          EventSP event_sp;
>>> -        if (m_opaque_sp->WaitForEventForBroadcaster
>>> (time_value.IsValid() ? &time_value : NULL,
>>> -
>>>  broadcaster.get(),
>>> -                                                         event_sp))
>>> +        if (m_opaque_sp->WaitForEventForBroadcaster(timeout,
>>> broadcaster.get(), event_sp))
>>>          {
>>>              event.reset (event_sp);
>>>              return true;
>>> @@ -278,17 +271,11 @@ SBListener::WaitForEventForBroadcasterWi
>>>  {
>>>      if (m_opaque_sp && broadcaster.IsValid())
>>>      {
>>> -        TimeValue time_value;
>>> +        std::chrono::microseconds timeout =
>>> std::chrono::microseconds(0);
>>>          if (num_seconds != UINT32_MAX)
>>> -        {
>>> -            time_value = TimeValue::Now();
>>> -            time_value.OffsetWithSeconds (num_seconds);
>>> -        }
>>> +            timeout = std::chrono::seconds(num_seconds);
>>>          EventSP event_sp;
>>> -        if (m_opaque_sp->WaitForEventForBroadcasterWithType
>>> (time_value.IsValid() ? &time_value : NULL,
>>> -
>>> broadcaster.get(),
>>> -
>>> event_type_mask,
>>> -                                                              event_sp))
>>> +        if (m_opaque_sp->WaitForEventForBroadcasterWithType(timeout,
>>> broadcaster.get(), event_type_mask, event_sp))
>>>          {
>>>              event.reset (event_sp);
>>>              return true;
>>>
>>> Modified: lldb/trunk/source/Core/Communication.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Core/Communication.cpp?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Core/Communication.cpp (original)
>>> +++ lldb/trunk/source/Core/Communication.cpp Thu Jul 28 12:32:20 2016
>>> @@ -156,18 +156,14 @@ Communication::Read (void *dst, size_t d
>>>              status = eConnectionStatusNoConnection;
>>>              return 0;
>>>          }
>>> -        // Set the timeout appropriately
>>> -        TimeValue timeout_time;
>>> -        if (timeout_usec != UINT32_MAX)
>>> -        {
>>> -            timeout_time = TimeValue::Now();
>>> -            timeout_time.OffsetWithMicroSeconds (timeout_usec);
>>> -        }
>>>
>>>          ListenerSP
>>> listener_sp(Listener::MakeListener("Communication::Read"));
>>>          listener_sp->StartListeningForEvents (this,
>>> eBroadcastBitReadThreadGotBytes | eBroadcastBitReadThreadDidExit);
>>>          EventSP event_sp;
>>> -        while (listener_sp->WaitForEvent (timeout_time.IsValid() ?
>>> &timeout_time : nullptr, event_sp))
>>> +        std::chrono::microseconds timeout =
>>> std::chrono::microseconds(0);
>>> +        if (timeout_usec != UINT32_MAX)
>>> +            timeout = std::chrono::microseconds(timeout_usec);
>>> +        while (listener_sp->WaitForEvent(timeout, event_sp))
>>>          {
>>>              const uint32_t event_type = event_sp->GetType();
>>>              if (event_type & eBroadcastBitReadThreadGotBytes)
>>> @@ -439,7 +435,7 @@ Communication::SynchronizeWithReadThread
>>>
>>>      // Wait for the synchronization event.
>>>      EventSP event_sp;
>>> -    listener_sp->WaitForEvent(nullptr, event_sp);
>>> +    listener_sp->WaitForEvent(std::chrono::microseconds(0), event_sp);
>>>  }
>>>
>>>  void
>>>
>>> Modified: lldb/trunk/source/Core/Debugger.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Core/Debugger.cpp?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Core/Debugger.cpp (original)
>>> +++ lldb/trunk/source/Core/Debugger.cpp Thu Jul 28 12:32:20 2016
>>> @@ -1608,7 +1608,7 @@ Debugger::DefaultEventHandler()
>>>      while (!done)
>>>      {
>>>          EventSP event_sp;
>>> -        if (listener_sp->WaitForEvent(nullptr, event_sp))
>>> +        if (listener_sp->WaitForEvent(std::chrono::microseconds(0),
>>> event_sp))
>>>          {
>>>              if (event_sp)
>>>              {
>>> @@ -1705,7 +1705,7 @@ Debugger::StartEventHandlerThread()
>>>          // eBroadcastBitEventThreadIsListening so we don't need to
>>> check the event, we just need
>>>          // to wait an infinite amount of time for it (nullptr timeout
>>> as the first parameter)
>>>          lldb::EventSP event_sp;
>>> -        listener_sp->WaitForEvent(nullptr, event_sp);
>>> +        listener_sp->WaitForEvent(std::chrono::microseconds(0),
>>> event_sp);
>>>      }
>>>      return m_event_handler_thread.IsJoinable();
>>>  }
>>>
>>> Modified: lldb/trunk/source/Core/Listener.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Core/Listener.cpp?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Core/Listener.cpp (original)
>>> +++ lldb/trunk/source/Core/Listener.cpp Thu Jul 28 12:32:20 2016
>>> @@ -19,7 +19,6 @@
>>>  #include "lldb/Core/Log.h"
>>>  #include "lldb/Core/StreamString.h"
>>>  #include "lldb/Core/Event.h"
>>> -#include "lldb/Host/TimeValue.h"
>>>
>>>  using namespace lldb;
>>>  using namespace lldb_private;
>>> @@ -41,7 +40,7 @@ namespace
>>>  } // anonymous namespace
>>>
>>>  Listener::Listener(const char *name)
>>> -    : m_name(name), m_broadcasters(), m_broadcasters_mutex(),
>>> m_events(), m_events_mutex(Mutex::eMutexTypeNormal)
>>> +    : m_name(name), m_broadcasters(), m_broadcasters_mutex(),
>>> m_events(), m_events_mutex()
>>>  {
>>>      Log *log(lldb_private::GetLogIfAllCategoriesSet
>>> (LIBLLDB_LOG_OBJECT));
>>>      if (log != nullptr)
>>> @@ -63,7 +62,7 @@ void
>>>  Listener::Clear()
>>>  {
>>>      Log *log(lldb_private::GetLogIfAllCategoriesSet
>>> (LIBLLDB_LOG_OBJECT));
>>> -    std::lock_guard<std::recursive_mutex> guard(m_broadcasters_mutex);
>>> +    std::lock_guard<std::recursive_mutex>
>>> broadcasters_guard(m_broadcasters_mutex);
>>>      broadcaster_collection::iterator pos, end = m_broadcasters.end();
>>>      for (pos = m_broadcasters.begin(); pos != end; ++pos)
>>>      {
>>> @@ -73,7 +72,7 @@ Listener::Clear()
>>>      }
>>>      m_broadcasters.clear();
>>>
>>> -    Mutex::Locker event_locker(m_events_mutex);
>>> +    std::lock_guard<std::mutex> events_guard(m_events_mutex);
>>>      m_events.clear();
>>>      size_t num_managers = m_broadcaster_managers.size();
>>>
>>> @@ -96,7 +95,7 @@ Listener::StartListeningForEvents (Broad
>>>          // Scope for "locker"
>>>          // Tell the broadcaster to add this object as a listener
>>>          {
>>> -            std::lock_guard<std::recursive_mutex>
>>> guard(m_broadcasters_mutex);
>>> +            std::lock_guard<std::recursive_mutex>
>>> broadcasters_guard(m_broadcasters_mutex);
>>>              Broadcaster::BroadcasterImplWP
>>> impl_wp(broadcaster->GetBroadcasterImpl());
>>>              m_broadcasters.insert(std::make_pair(impl_wp,
>>> BroadcasterInfo(event_mask)));
>>>          }
>>> @@ -123,7 +122,7 @@ Listener::StartListeningForEvents (Broad
>>>          // Scope for "locker"
>>>          // Tell the broadcaster to add this object as a listener
>>>          {
>>> -            std::lock_guard<std::recursive_mutex>
>>> guard(m_broadcasters_mutex);
>>> +            std::lock_guard<std::recursive_mutex>
>>> broadcasters_guard(m_broadcasters_mutex);
>>>              Broadcaster::BroadcasterImplWP
>>> impl_wp(broadcaster->GetBroadcasterImpl());
>>>              m_broadcasters.insert(std::make_pair(impl_wp,
>>>
>>> BroadcasterInfo(event_mask, callback, callback_user_data)));
>>> @@ -154,7 +153,7 @@ Listener::StopListeningForEvents (Broadc
>>>      {
>>>          // Scope for "locker"
>>>          {
>>> -            std::lock_guard<std::recursive_mutex>
>>> guard(m_broadcasters_mutex);
>>> +            std::lock_guard<std::recursive_mutex>
>>> broadcasters_guard(m_broadcasters_mutex);
>>>              m_broadcasters.erase (broadcaster->GetBroadcasterImpl());
>>>          }
>>>          // Remove the broadcaster from our set of broadcasters
>>> @@ -171,13 +170,13 @@ Listener::BroadcasterWillDestruct (Broad
>>>  {
>>>      // Scope for "broadcasters_locker"
>>>      {
>>> -        std::lock_guard<std::recursive_mutex>
>>> guard(m_broadcasters_mutex);
>>> +        std::lock_guard<std::recursive_mutex>
>>> broadcasters_guard(m_broadcasters_mutex);
>>>          m_broadcasters.erase (broadcaster->GetBroadcasterImpl());
>>>      }
>>>
>>>      // Scope for "event_locker"
>>>      {
>>> -        Mutex::Locker event_locker(m_events_mutex);
>>> +        std::lock_guard<std::mutex> events_guard(m_events_mutex);
>>>          // Remove all events for this broadcaster object.
>>>          event_collection::iterator pos = m_events.begin();
>>>          while (pos != m_events.end())
>>> @@ -212,9 +211,9 @@ Listener::AddEvent (EventSP &event_sp)
>>>                       static_cast<void*>(this), m_name.c_str(),
>>>                       static_cast<void*>(event_sp.get()));
>>>
>>> -    Mutex::Locker locker(m_events_mutex);
>>> +    std::lock_guard<std::mutex> guard(m_events_mutex);
>>>      m_events.push_back (event_sp);
>>> -    m_events_condition.Broadcast();
>>> +    m_events_condition.notify_all();
>>>  }
>>>
>>>  class EventBroadcasterMatches
>>> @@ -279,15 +278,11 @@ private:
>>>  };
>>>
>>>  bool
>>> -Listener::FindNextEventInternal
>>> -(
>>> -    Mutex::Locker& lock,
>>> -    Broadcaster *broadcaster,   // nullptr for any broadcaster
>>> -    const ConstString *broadcaster_names, // nullptr for any event
>>> -    uint32_t num_broadcaster_names,
>>> -    uint32_t event_type_mask,
>>> -    EventSP &event_sp,
>>> -    bool remove)
>>> +Listener::FindNextEventInternal(std::unique_lock<std::mutex> &lock,
>>> +                                Broadcaster *broadcaster,
>>>  // nullptr for any broadcaster
>>> +                                const ConstString *broadcaster_names,
>>> // nullptr for any event
>>> +                                uint32_t num_broadcaster_names,
>>> uint32_t event_type_mask, EventSP &event_sp,
>>> +                                bool remove)
>>>  {
>>>      // NOTE: callers of this function must lock m_events_mutex using a
>>> Mutex::Locker
>>>      // and pass the locker as the first argument. m_events_mutex is no
>>> longer recursive.
>>> @@ -325,7 +320,7 @@ Listener::FindNextEventInternal
>>>              // Unlock the event queue here.  We've removed this event
>>> and are about to return
>>>              // it so it should be okay to get the next event off the
>>> queue here - and it might
>>>              // be useful to do that in the "DoOnRemoval".
>>> -            lock.Unlock();
>>> +            lock.unlock();
>>>              event_sp->DoOnRemoval();
>>>          }
>>>          return true;
>>> @@ -338,9 +333,9 @@ Listener::FindNextEventInternal
>>>  Event *
>>>  Listener::PeekAtNextEvent ()
>>>  {
>>> -    Mutex::Locker lock(m_events_mutex);
>>> +    std::unique_lock<std::mutex> guard(m_events_mutex);
>>>      EventSP event_sp;
>>> -    if (FindNextEventInternal(lock, nullptr, nullptr, 0, 0, event_sp,
>>> false))
>>> +    if (FindNextEventInternal(guard, nullptr, nullptr, 0, 0, event_sp,
>>> false))
>>>          return event_sp.get();
>>>      return nullptr;
>>>  }
>>> @@ -348,9 +343,9 @@ Listener::PeekAtNextEvent ()
>>>  Event *
>>>  Listener::PeekAtNextEventForBroadcaster (Broadcaster *broadcaster)
>>>  {
>>> -    Mutex::Locker lock(m_events_mutex);
>>> +    std::unique_lock<std::mutex> guard(m_events_mutex);
>>>      EventSP event_sp;
>>> -    if (FindNextEventInternal(lock, broadcaster, nullptr, 0, 0,
>>> event_sp, false))
>>> +    if (FindNextEventInternal(guard, broadcaster, nullptr, 0, 0,
>>> event_sp, false))
>>>          return event_sp.get();
>>>      return nullptr;
>>>  }
>>> @@ -358,9 +353,9 @@ Listener::PeekAtNextEventForBroadcaster
>>>  Event *
>>>  Listener::PeekAtNextEventForBroadcasterWithType (Broadcaster
>>> *broadcaster, uint32_t event_type_mask)
>>>  {
>>> -    Mutex::Locker lock(m_events_mutex);
>>> +    std::unique_lock<std::mutex> guard(m_events_mutex);
>>>      EventSP event_sp;
>>> -    if (FindNextEventInternal(lock, broadcaster, nullptr, 0,
>>> event_type_mask, event_sp, false))
>>> +    if (FindNextEventInternal(guard, broadcaster, nullptr, 0,
>>> event_type_mask, event_sp, false))
>>>          return event_sp.get();
>>>      return nullptr;
>>>  }
>>> @@ -372,8 +367,9 @@ Listener::GetNextEventInternal(Broadcast
>>>                                 uint32_t event_type_mask,
>>>                                 EventSP &event_sp)
>>>  {
>>> -    Mutex::Locker lock(m_events_mutex);
>>> -    return FindNextEventInternal (lock, broadcaster, broadcaster_names,
>>> num_broadcaster_names, event_type_mask, event_sp, true);
>>> +    std::unique_lock<std::mutex> guard(m_events_mutex);
>>> +    return FindNextEventInternal(guard, broadcaster, broadcaster_names,
>>> num_broadcaster_names, event_type_mask,
>>> +                                 event_sp, true);
>>>  }
>>>
>>>  bool
>>> @@ -395,20 +391,17 @@ Listener::GetNextEventForBroadcasterWith
>>>  }
>>>
>>>  bool
>>> -Listener::WaitForEventsInternal(const TimeValue *timeout,
>>> +Listener::WaitForEventsInternal(const std::chrono::microseconds
>>> &timeout,
>>>                                  Broadcaster *broadcaster,
>>>  // nullptr for any broadcaster
>>>                                  const ConstString *broadcaster_names,
>>> // nullptr for any event
>>> -                                uint32_t num_broadcaster_names,
>>> -                                uint32_t event_type_mask,
>>> -                                EventSP &event_sp)
>>> +                                uint32_t num_broadcaster_names,
>>> uint32_t event_type_mask, EventSP &event_sp)
>>>  {
>>>      Log *log(lldb_private::GetLogIfAllCategoriesSet
>>> (LIBLLDB_LOG_EVENTS));
>>>      if (log != nullptr)
>>> -        log->Printf ("%p Listener::WaitForEventsInternal (timeout = {
>>> %p }) for %s",
>>> -                     static_cast<void*>(this), static_cast<const
>>> void*>(timeout),
>>> -                     m_name.c_str());
>>> +        log->Printf("%p Listener::WaitForEventsInternal (timeout = %llu
>>> us) for %s", static_cast<void *>(this),
>>> +                    static_cast<unsigned long long>(timeout.count()),
>>> m_name.c_str());
>>>
>>> -    Mutex::Locker lock(m_events_mutex);
>>> +    std::unique_lock<std::mutex> lock(m_events_mutex);
>>>
>>>      while (true)
>>>      {
>>> @@ -418,23 +411,26 @@ Listener::WaitForEventsInternal(const Ti
>>>          }
>>>          else
>>>          {
>>> -            bool timed_out = false;
>>> -            if (m_events_condition.Wait(m_events_mutex, timeout,
>>> &timed_out) != 0)
>>> +            std::cv_status result = std::cv_status::no_timeout;
>>> +            if (timeout == std::chrono::microseconds(0))
>>> +                m_events_condition.wait(lock);
>>> +            else
>>> +                result = m_events_condition.wait_for(lock, timeout);
>>> +
>>> +            if (result == std::cv_status::timeout)
>>>              {
>>> -                if (timed_out)
>>> -                {
>>> -                    log = lldb_private::GetLogIfAllCategoriesSet
>>> (LIBLLDB_LOG_EVENTS);
>>> -                    if (log != nullptr)
>>> -                        log->Printf ("%p
>>> Listener::WaitForEventsInternal() timed out for %s",
>>> -                                     static_cast<void*>(this),
>>> m_name.c_str());
>>> -                }
>>> -                else
>>> -                {
>>> -                    log = lldb_private::GetLogIfAllCategoriesSet
>>> (LIBLLDB_LOG_EVENTS);
>>> -                    if (log != nullptr)
>>> -                        log->Printf ("%p
>>> Listener::WaitForEventsInternal() unknown error for %s",
>>> -                                     static_cast<void*>(this),
>>> m_name.c_str());
>>> -                }
>>> +              log =
>>> lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EVENTS);
>>> +              if (log)
>>> +                  log->Printf("%p Listener::WaitForEventsInternal()
>>> timed out for %s", static_cast<void *>(this),
>>> +                              m_name.c_str());
>>> +              return false;
>>> +            }
>>> +            else if (result != std::cv_status::no_timeout)
>>> +            {
>>> +                log =
>>> lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EVENTS);
>>> +                if (log)
>>> +                    log->Printf("%p Listener::WaitForEventsInternal()
>>> unknown error for %s", static_cast<void *>(this),
>>> +                                m_name.c_str());
>>>                  return false;
>>>              }
>>>          }
>>> @@ -444,24 +440,21 @@ Listener::WaitForEventsInternal(const Ti
>>>  }
>>>
>>>  bool
>>> -Listener::WaitForEventForBroadcasterWithType(const TimeValue *timeout,
>>> -                                             Broadcaster *broadcaster,
>>> -                                             uint32_t event_type_mask,
>>> -                                             EventSP &event_sp)
>>> +Listener::WaitForEventForBroadcasterWithType(const
>>> std::chrono::microseconds &timeout, Broadcaster *broadcaster,
>>> +                                             uint32_t event_type_mask,
>>> EventSP &event_sp)
>>>  {
>>>      return WaitForEventsInternal(timeout, broadcaster, nullptr, 0,
>>> event_type_mask, event_sp);
>>>  }
>>>
>>>  bool
>>> -Listener::WaitForEventForBroadcaster(const TimeValue *timeout,
>>> -                                     Broadcaster *broadcaster,
>>> +Listener::WaitForEventForBroadcaster(const std::chrono::microseconds
>>> &timeout, Broadcaster *broadcaster,
>>>                                       EventSP &event_sp)
>>>  {
>>>      return WaitForEventsInternal(timeout, broadcaster, nullptr, 0, 0,
>>> event_sp);
>>>  }
>>>
>>>  bool
>>> -Listener::WaitForEvent (const TimeValue *timeout, EventSP &event_sp)
>>> +Listener::WaitForEvent(const std::chrono::microseconds &timeout,
>>> EventSP &event_sp)
>>>  {
>>>      return WaitForEventsInternal(timeout, nullptr, nullptr, 0, 0,
>>> event_sp);
>>>  }
>>>
>>> Modified: lldb/trunk/source/Host/CMakeLists.txt
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/CMakeLists.txt?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Host/CMakeLists.txt (original)
>>> +++ lldb/trunk/source/Host/CMakeLists.txt Thu Jul 28 12:32:20 2016
>>> @@ -4,7 +4,6 @@ macro(add_host_subdirectory group)
>>>  endmacro()
>>>
>>>  add_host_subdirectory(common
>>> -  common/Condition.cpp
>>>    common/File.cpp
>>>    common/FileCache.cpp
>>>    common/FileSpec.cpp
>>> @@ -17,7 +16,6 @@ add_host_subdirectory(common
>>>    common/HostThread.cpp
>>>    common/IOObject.cpp
>>>    common/LockFileBase.cpp
>>> -  common/Mutex.cpp
>>>    common/MonitoringProcessLauncher.cpp
>>>    common/NativeBreakpoint.cpp
>>>    common/NativeBreakpointList.cpp
>>> @@ -60,7 +58,6 @@ add_host_subdirectory(posix
>>>
>>>  if (CMAKE_SYSTEM_NAME MATCHES "Windows")
>>>    add_host_subdirectory(windows
>>> -    windows/Condition.cpp
>>>      windows/ConnectionGenericFileWindows.cpp
>>>      windows/EditLineWin.cpp
>>>      windows/FileSystem.cpp
>>> @@ -69,7 +66,6 @@ if (CMAKE_SYSTEM_NAME MATCHES "Windows")
>>>      windows/HostProcessWindows.cpp
>>>      windows/HostThreadWindows.cpp
>>>      windows/LockFileWindows.cpp
>>> -    windows/Mutex.cpp
>>>      windows/PipeWindows.cpp
>>>      windows/ProcessLauncherWindows.cpp
>>>      windows/ProcessRunLock.cpp
>>>
>>> Removed: lldb/trunk/source/Host/common/Condition.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/common/Condition.cpp?rev=277010&view=auto
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Host/common/Condition.cpp (original)
>>> +++ lldb/trunk/source/Host/common/Condition.cpp (removed)
>>> @@ -1,108 +0,0 @@
>>> -//===-- Condition.cpp -------------------------------------------*- C++
>>> -*-===//
>>> -//
>>> -//                     The LLVM Compiler Infrastructure
>>> -//
>>> -// This file is distributed under the University of Illinois Open Source
>>> -// License. See LICENSE.TXT for details.
>>> -//
>>>
>>> -//===----------------------------------------------------------------------===//
>>> -
>>> -#include <errno.h>
>>> -
>>> -#include "lldb/Host/Condition.h"
>>> -#include "lldb/Host/TimeValue.h"
>>> -
>>> -
>>> -using namespace lldb_private;
>>> -
>>> -#ifndef _WIN32
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Default constructor
>>> -//
>>> -// The default constructor will initialize a new pthread condition
>>> -// and maintain the condition in the object state.
>>> -//----------------------------------------------------------------------
>>> -Condition::Condition () :
>>> -    m_condition()
>>> -{
>>> -    ::pthread_cond_init (&m_condition, NULL);
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Destructor
>>> -//
>>> -// Destroys the pthread condition that the object owns.
>>> -//----------------------------------------------------------------------
>>> -Condition::~Condition ()
>>> -{
>>> -    ::pthread_cond_destroy (&m_condition);
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Unblock all threads waiting for a condition variable
>>> -//----------------------------------------------------------------------
>>> -int
>>> -Condition::Broadcast ()
>>> -{
>>> -    return ::pthread_cond_broadcast (&m_condition);
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Unblocks one thread waiting for the condition variable
>>> -//----------------------------------------------------------------------
>>> -int
>>> -Condition::Signal ()
>>> -{
>>> -    return ::pthread_cond_signal (&m_condition);
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// The Wait() function atomically blocks the current thread
>>> -// waiting on the owned condition variable, and unblocks the mutex
>>> -// specified by "mutex".  The waiting thread unblocks only after
>>> -// another thread calls Signal(), or Broadcast() with the same
>>> -// condition variable, or if "abstime" is valid (non-NULL) this
>>> -// function will return when the system time reaches the time
>>> -// specified in "abstime". If "abstime" is NULL this function will
>>> -// wait for an infinite amount of time for the condition variable
>>> -// to be signaled or broadcasted.
>>> -//
>>> -// The current thread re-acquires the lock on "mutex".
>>> -//----------------------------------------------------------------------
>>> -int
>>> -Condition::Wait (Mutex &mutex, const TimeValue *abstime, bool
>>> *timed_out)
>>> -{
>>> -    int err = 0;
>>> -    do
>>> -    {
>>> -        if (abstime && abstime->IsValid())
>>> -        {
>>> -            struct timespec abstime_ts = abstime->GetAsTimeSpec();
>>> -            err = ::pthread_cond_timedwait (&m_condition,
>>> mutex.GetMutex(), &abstime_ts);
>>> -        }
>>> -        else
>>> -            err = ::pthread_cond_wait (&m_condition, mutex.GetMutex());
>>> -    } while (err == EINTR);
>>> -
>>> -    if (timed_out != NULL)
>>> -    {
>>> -        if (err == ETIMEDOUT)
>>> -            *timed_out = true;
>>> -        else
>>> -            *timed_out = false;
>>> -    }
>>> -
>>> -    return err;
>>> -}
>>> -
>>> -#endif
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Get accessor to the pthread condition object
>>> -//----------------------------------------------------------------------
>>> -lldb::condition_t *
>>> -Condition::GetCondition()
>>> -{
>>> -    return &m_condition;
>>> -}
>>>
>>> Modified: lldb/trunk/source/Host/common/Host.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/common/Host.cpp?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Host/common/Host.cpp (original)
>>> +++ lldb/trunk/source/Host/common/Host.cpp Thu Jul 28 12:32:20 2016
>>> @@ -620,14 +620,8 @@ Host::RunShellCommand(const Args &args,
>>>
>>>      if (error.Success())
>>>      {
>>> -        TimeValue *timeout_ptr = nullptr;
>>> -        TimeValue timeout_time(TimeValue::Now());
>>> -        if (timeout_sec > 0) {
>>> -            timeout_time.OffsetWithSeconds(timeout_sec);
>>> -            timeout_ptr = &timeout_time;
>>> -        }
>>>          bool timed_out = false;
>>> -        shell_info_sp->process_reaped.WaitForValueEqualTo(true,
>>> timeout_ptr, &timed_out);
>>> +        shell_info_sp->process_reaped.WaitForValueEqualTo(true,
>>> std::chrono::seconds(timeout_sec), &timed_out);
>>>          if (timed_out)
>>>          {
>>>              error.SetErrorString("timed out waiting for shell command
>>> to complete");
>>> @@ -635,10 +629,8 @@ Host::RunShellCommand(const Args &args,
>>>              // Kill the process since it didn't complete within the
>>> timeout specified
>>>              Kill (pid, SIGKILL);
>>>              // Wait for the monitor callback to get the message
>>> -            timeout_time = TimeValue::Now();
>>> -            timeout_time.OffsetWithSeconds(1);
>>>              timed_out = false;
>>> -            shell_info_sp->process_reaped.WaitForValueEqualTo(true,
>>> &timeout_time, &timed_out);
>>> +            shell_info_sp->process_reaped.WaitForValueEqualTo(true,
>>> std::chrono::seconds(1), &timed_out);
>>>          }
>>>          else
>>>          {
>>>
>>> Removed: lldb/trunk/source/Host/common/Mutex.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/common/Mutex.cpp?rev=277010&view=auto
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Host/common/Mutex.cpp (original)
>>> +++ lldb/trunk/source/Host/common/Mutex.cpp (removed)
>>> @@ -1,398 +0,0 @@
>>> -//===-- Mutex.cpp -----------------------------------------------*- C++
>>> -*-===//
>>> -//
>>> -//                     The LLVM Compiler Infrastructure
>>> -//
>>> -// This file is distributed under the University of Illinois Open Source
>>> -// License. See LICENSE.TXT for details.
>>> -//
>>>
>>> -//===----------------------------------------------------------------------===//
>>> -
>>> -#include "lldb/Host/Mutex.h"
>>> -#include "lldb/Host/Host.h"
>>> -
>>> -#ifndef _WIN32
>>> -#include <pthread.h>
>>> -#endif
>>> -#include <string.h>
>>> -#include <stdio.h>
>>> -
>>> -#if 0
>>> -// This logging is way too verbose to enable even for a log channel.
>>> -// This logging can be enabled by changing the "#if 0", but should be
>>> -// reverted prior to checking in.
>>> -#include <cstdio>
>>> -#define DEBUG_LOG(fmt, ...) printf(fmt, ## __VA_ARGS__)
>>> -#else
>>> -#define DEBUG_LOG(fmt, ...)
>>> -#endif
>>> -
>>> -// Enable extra mutex error checking
>>> -#if 0 // LLDB_CONFIGURATION_DEBUG
>>> -#define ENABLE_MUTEX_ERROR_CHECKING 1
>>> -#include <inttypes.h>
>>> -#endif
>>> -
>>> -#if ENABLE_MUTEX_ERROR_CHECKING
>>> -#include <set>
>>> -
>>> -enum MutexAction
>>> -{
>>> -    eMutexActionInitialized,
>>> -    eMutexActionDestroyed,
>>> -    eMutexActionAssertInitialized
>>> -};
>>> -
>>> -static bool
>>> -error_check_mutex (pthread_mutex_t *m, MutexAction action)
>>> -{
>>> -    typedef std::set<pthread_mutex_t *> mutex_set;
>>> -    static pthread_mutex_t g_mutex_set_mutex =
>>> PTHREAD_MUTEX_INITIALIZER;
>>> -    static mutex_set g_initialized_mutex_set;
>>> -    static mutex_set g_destroyed_mutex_set;
>>> -
>>> -    bool success = true;
>>> -    int err;
>>> -    // Manually call lock so we don't to any of this error checking
>>> -    err = ::pthread_mutex_lock (&g_mutex_set_mutex);
>>> -    assert(err == 0);
>>> -    switch (action)
>>> -    {
>>> -        case eMutexActionInitialized:
>>> -            // Make sure this isn't already in our initialized mutex
>>> set...
>>> -            assert (g_initialized_mutex_set.find(m) ==
>>> g_initialized_mutex_set.end());
>>> -            // Remove this from the destroyed set in case it was ever
>>> in there
>>> -            g_destroyed_mutex_set.erase(m);
>>> -            // Add the mutex to the initialized set
>>> -            g_initialized_mutex_set.insert(m);
>>> -            break;
>>> -
>>> -        case eMutexActionDestroyed:
>>> -            // Make sure this isn't already in our destroyed mutex
>>> set...
>>> -            assert (g_destroyed_mutex_set.find(m) ==
>>> g_destroyed_mutex_set.end());
>>> -            // Remove this from the initialized so we can put it into
>>> the destroyed set
>>> -            g_initialized_mutex_set.erase(m);
>>> -            // Add the mutex to the destroyed set
>>> -            g_destroyed_mutex_set.insert(m);
>>> -            break;
>>> -        case eMutexActionAssertInitialized:
>>> -            // This function will return true if "m" is in the
>>> initialized mutex set
>>> -            success = g_initialized_mutex_set.find(m) !=
>>> g_initialized_mutex_set.end();
>>> -            assert (success);
>>> -            break;
>>> -    }
>>> -    // Manually call unlock so we don't to any of this error checking
>>> -    err = ::pthread_mutex_unlock (&g_mutex_set_mutex);
>>> -    assert(err == 0);
>>> -    return success;
>>> -}
>>> -
>>> -#endif
>>> -
>>> -using namespace lldb_private;
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Default constructor.
>>> -//
>>> -// This will create a scoped mutex locking object that doesn't have
>>> -// a mutex to lock. One will need to be provided using the Reset()
>>> -// method.
>>> -//----------------------------------------------------------------------
>>> -Mutex::Locker::Locker () :
>>> -    m_mutex_ptr(NULL)
>>> -{
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Constructor with a Mutex object.
>>> -//
>>> -// This will create a scoped mutex locking object that extracts the
>>> -// mutex owned by "m" and locks it.
>>> -//----------------------------------------------------------------------
>>> -Mutex::Locker::Locker (Mutex& m) :
>>> -    m_mutex_ptr(NULL)
>>> -{
>>> -    Lock (m);
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Constructor with a Mutex object pointer.
>>> -//
>>> -// This will create a scoped mutex locking object that extracts the
>>> -// mutex owned by "m" and locks it.
>>> -//----------------------------------------------------------------------
>>> -Mutex::Locker::Locker (Mutex* m) :
>>> -    m_mutex_ptr(NULL)
>>> -{
>>> -    if (m)
>>> -        Lock (m);
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Destructor
>>> -//
>>> -// Unlocks any owned mutex object (if it is valid).
>>> -//----------------------------------------------------------------------
>>> -Mutex::Locker::~Locker ()
>>> -{
>>> -    Unlock();
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Unlock the current mutex in this object (if this owns a valid
>>> -// mutex) and lock the new "mutex" object if it is non-NULL.
>>> -//----------------------------------------------------------------------
>>> -void
>>> -Mutex::Locker::Lock (Mutex &mutex)
>>> -{
>>> -    // We already have this mutex locked or both are NULL...
>>> -    if (m_mutex_ptr == &mutex)
>>> -        return;
>>> -
>>> -    Unlock ();
>>> -
>>> -    m_mutex_ptr = &mutex;
>>> -    m_mutex_ptr->Lock();
>>> -}
>>> -
>>> -void
>>> -Mutex::Locker::Unlock ()
>>> -{
>>> -    if (m_mutex_ptr)
>>> -    {
>>> -        m_mutex_ptr->Unlock ();
>>> -        m_mutex_ptr = NULL;
>>> -    }
>>> -}
>>> -
>>> -bool
>>> -Mutex::Locker::TryLock (Mutex &mutex, const char *failure_message)
>>> -{
>>> -    // We already have this mutex locked!
>>> -    if (m_mutex_ptr == &mutex)
>>> -        return true;
>>> -
>>> -    Unlock ();
>>> -
>>> -    if (mutex.TryLock(failure_message) == 0)
>>> -        m_mutex_ptr = &mutex;
>>> -
>>> -    return m_mutex_ptr != NULL;
>>> -}
>>> -
>>> -#ifndef _WIN32
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Default constructor.
>>> -//
>>> -// Creates a pthread mutex with no attributes.
>>> -//----------------------------------------------------------------------
>>> -Mutex::Mutex () :
>>> -    m_mutex()
>>> -{
>>> -    int err;
>>> -    err = ::pthread_mutex_init (&m_mutex, NULL);
>>> -#if ENABLE_MUTEX_ERROR_CHECKING
>>> -    if (err == 0)
>>> -        error_check_mutex (&m_mutex, eMutexActionInitialized);
>>> -#endif
>>> -    assert(err == 0);
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Default constructor.
>>> -//
>>> -// Creates a pthread mutex with "type" as the mutex type.
>>> -//----------------------------------------------------------------------
>>> -Mutex::Mutex (Mutex::Type type) :
>>> -    m_mutex()
>>> -{
>>> -    int err;
>>> -    ::pthread_mutexattr_t attr;
>>> -    err = ::pthread_mutexattr_init (&attr);
>>> -    assert(err == 0);
>>> -    switch (type)
>>> -    {
>>> -    case eMutexTypeNormal:
>>> -#if ENABLE_MUTEX_ERROR_CHECKING
>>> -        err = ::pthread_mutexattr_settype (&attr,
>>> PTHREAD_MUTEX_ERRORCHECK);
>>> -#else
>>> -        err = ::pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_NORMAL);
>>> -#endif
>>> -        break;
>>> -
>>> -    case eMutexTypeRecursive:
>>> -        err = ::pthread_mutexattr_settype (&attr,
>>> PTHREAD_MUTEX_RECURSIVE);
>>> -        break;
>>> -    }
>>> -    assert(err == 0);
>>> -    err = ::pthread_mutex_init (&m_mutex, &attr);
>>> -#if ENABLE_MUTEX_ERROR_CHECKING
>>> -    if (err == 0)
>>> -        error_check_mutex (&m_mutex, eMutexActionInitialized);
>>> -#endif
>>> -    assert(err == 0);
>>> -    err = ::pthread_mutexattr_destroy (&attr);
>>> -    assert(err == 0);
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Destructor.
>>> -//
>>> -// Destroys the mutex owned by this object.
>>> -//----------------------------------------------------------------------
>>> -Mutex::~Mutex()
>>> -{
>>> -#if ENABLE_MUTEX_ERROR_CHECKING
>>> -    int err = ::pthread_mutex_destroy (&m_mutex);
>>> -    assert(err == 0);
>>> -    if (err == 0)
>>> -        error_check_mutex (&m_mutex, eMutexActionDestroyed);
>>> -    else
>>> -    {
>>> -        Host::SetCrashDescriptionWithFormat ("%s error:
>>> pthread_mutex_destroy() => err = %i (%s)", __PRETTY_FUNCTION__, err,
>>> strerror(err));
>>> -        assert(err == 0);
>>> -    }
>>> -    memset (&m_mutex, '\xba', sizeof(m_mutex));
>>> -#else
>>> -    ::pthread_mutex_destroy (&m_mutex);
>>> -#endif
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Locks the mutex owned by this object, if the mutex is already
>>> -// locked, the calling thread will block until the mutex becomes
>>> -// available.
>>> -//
>>> -// RETURNS
>>> -//  The error code from the pthread_mutex_lock() function call.
>>> -//----------------------------------------------------------------------
>>> -int
>>> -Mutex::Lock()
>>> -{
>>> -    DEBUG_LOG ("[%4.4" PRIx64 "/%4.4" PRIx64 "] pthread_mutex_lock
>>> (%p)...\n", Host::GetCurrentProcessID(), Host::GetCurrentThreadID(),
>>> &m_mutex);
>>> -
>>> -#if ENABLE_MUTEX_ERROR_CHECKING
>>> -    error_check_mutex (&m_mutex, eMutexActionAssertInitialized);
>>> -#endif
>>> -
>>> -    int err = ::pthread_mutex_lock (&m_mutex);
>>> -
>>> -
>>> -#if ENABLE_MUTEX_ERROR_CHECKING
>>> -    if (err)
>>> -    {
>>> -        Host::SetCrashDescriptionWithFormat ("%s error:
>>> pthread_mutex_lock(%p) => err = %i (%s)", __PRETTY_FUNCTION__, &m_mutex,
>>> err, strerror(err));
>>> -        assert(err == 0);
>>> -    }
>>> -#endif
>>> -    DEBUG_LOG ("[%4.4" PRIx64 "/%4.4" PRIx64 "] pthread_mutex_lock (%p)
>>> => %i\n", Host::GetCurrentProcessID(), Host::GetCurrentThreadID(),
>>> &m_mutex, err);
>>> -    return err;
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Attempts to lock the mutex owned by this object without blocking.
>>> -// If the mutex is already locked, TryLock() will not block waiting
>>> -// for the mutex, but will return an error condition.
>>> -//
>>> -// RETURNS
>>> -//  The error code from the pthread_mutex_trylock() function call.
>>> -//----------------------------------------------------------------------
>>> -int
>>> -Mutex::TryLock(const char *failure_message)
>>> -{
>>> -#if ENABLE_MUTEX_ERROR_CHECKING
>>> -    error_check_mutex (&m_mutex, eMutexActionAssertInitialized);
>>> -#endif
>>> -
>>> -    int err = ::pthread_mutex_trylock (&m_mutex);
>>> -    DEBUG_LOG ("[%4.4" PRIx64 "/%4.4" PRIx64 "] pthread_mutex_trylock
>>> (%p) => %i\n", Host::GetCurrentProcessID(), Host::GetCurrentThreadID(),
>>> &m_mutex, err);
>>> -    return err;
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// If the current thread holds the lock on the owned mutex, then
>>> -// Unlock() will unlock the mutex. Calling Unlock() on this object
>>> -// that the calling thread does not hold will result in undefined
>>> -// behavior.
>>> -//
>>> -// RETURNS
>>> -//  The error code from the pthread_mutex_unlock() function call.
>>> -//----------------------------------------------------------------------
>>> -int
>>> -Mutex::Unlock()
>>> -{
>>> -#if ENABLE_MUTEX_ERROR_CHECKING
>>> -    error_check_mutex (&m_mutex, eMutexActionAssertInitialized);
>>> -#endif
>>> -
>>> -    int err = ::pthread_mutex_unlock (&m_mutex);
>>> -
>>> -#if ENABLE_MUTEX_ERROR_CHECKING
>>> -    if (err)
>>> -    {
>>> -        Host::SetCrashDescriptionWithFormat ("%s error:
>>> pthread_mutex_unlock(%p) => err = %i (%s)", __PRETTY_FUNCTION__, &m_mutex,
>>> err, strerror(err));
>>> -        assert(err == 0);
>>> -    }
>>> -#endif
>>> -    DEBUG_LOG ("[%4.4" PRIx64 "/%4.4" PRIx64 "] pthread_mutex_unlock
>>> (%p) => %i\n", Host::GetCurrentProcessID(), Host::GetCurrentThreadID(),
>>> &m_mutex, err);
>>> -    return err;
>>> -}
>>> -
>>> -#endif
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Mutex get accessor.
>>> -//----------------------------------------------------------------------
>>> -lldb::mutex_t *
>>> -Mutex::GetMutex()
>>> -{
>>> -    return &m_mutex;
>>> -}
>>> -
>>> -#ifdef LLDB_CONFIGURATION_DEBUG
>>> -int
>>> -TrackingMutex::Unlock ()
>>> -{
>>> -    if (!m_failure_message.empty())
>>> -        Host::SetCrashDescriptionWithFormat ("Unlocking lock (on thread
>>> %p) that thread: %p failed to get: %s",
>>> -                                             pthread_self(),
>>> -                                             m_thread_that_tried,
>>> -                                             m_failure_message.c_str());
>>> -    assert (m_failure_message.empty());
>>> -    return Mutex::Unlock();
>>> -}
>>> -
>>> -int
>>> -LoggingMutex::Lock ()
>>> -{
>>> -    printf("locking mutex %p by [%4.4" PRIx64 "/%4.4" PRIx64 "]...",
>>> this, Host::GetCurrentProcessID(), Host::GetCurrentThreadID());
>>> -    int x = Mutex::Lock();
>>> -    m_locked = true;
>>> -    printf("%d\n",x);
>>> -    return x;
>>> -}
>>> -
>>> -int
>>> -LoggingMutex::Unlock ()
>>> -{
>>> -    printf("unlocking mutex %p by [%4.4" PRIx64 "/%4.4" PRIx64 "]...",
>>> this, Host::GetCurrentProcessID(), Host::GetCurrentThreadID());
>>> -    int x = Mutex::Unlock();
>>> -    m_locked = false;
>>> -    printf("%d\n",x);
>>> -    return x;
>>> -}
>>> -
>>> -int
>>> -LoggingMutex::TryLock (const char *failure_message)
>>> -{
>>> -    printf("trylocking mutex %p by [%4.4" PRIx64 "/%4.4" PRIx64 "]...",
>>> this, Host::GetCurrentProcessID(), Host::GetCurrentThreadID());
>>> -    int x = Mutex::TryLock(failure_message);
>>> -    if (x == 0)
>>> -        m_locked = true;
>>> -    printf("%d\n",x);
>>> -    return x;
>>> -}
>>> -
>>> -#endif
>>> -
>>> -
>>>
>>> Modified: lldb/trunk/source/Host/posix/ConnectionFileDescriptorPosix.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/posix/ConnectionFileDescriptorPosix.cpp?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Host/posix/ConnectionFileDescriptorPosix.cpp
>>> (original)
>>> +++ lldb/trunk/source/Host/posix/ConnectionFileDescriptorPosix.cpp Thu
>>> Jul 28 12:32:20 2016
>>> @@ -877,11 +877,7 @@ ConnectionFileDescriptor::GetListeningPo
>>>      if (timeout_sec == UINT32_MAX)
>>>          m_port_predicate.WaitForValueNotEqualTo(0, bound_port);
>>>      else
>>> -    {
>>> -        TimeValue timeout = TimeValue::Now();
>>> -        timeout.OffsetWithSeconds(timeout_sec);
>>> -        m_port_predicate.WaitForValueNotEqualTo(0, bound_port,
>>> &timeout);
>>> -    }
>>> +        m_port_predicate.WaitForValueNotEqualTo(0, bound_port,
>>> std::chrono::seconds(timeout_sec));
>>>      return bound_port;
>>>  }
>>>
>>>
>>> Removed: lldb/trunk/source/Host/windows/Condition.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/windows/Condition.cpp?rev=277010&view=auto
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Host/windows/Condition.cpp (original)
>>> +++ lldb/trunk/source/Host/windows/Condition.cpp (removed)
>>> @@ -1,98 +0,0 @@
>>> -//===-- Condition.cpp -------------------------------------------*- C++
>>> -*-===//
>>> -//
>>> -//                     The LLVM Compiler Infrastructure
>>> -//
>>> -// This file is distributed under the University of Illinois Open Source
>>> -// License. See LICENSE.TXT for details.
>>> -//
>>>
>>> -//===----------------------------------------------------------------------===//
>>> -
>>> -#include <errno.h>
>>> -
>>> -#include "lldb/Host/Condition.h"
>>> -#include "lldb/Host/TimeValue.h"
>>> -#include "lldb/Host/windows/windows.h"
>>> -
>>> -
>>> -using namespace lldb_private;
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Default constructor
>>> -//
>>> -// The default constructor will initialize a new pthread condition
>>> -// and maintain the condition in the object state.
>>> -//----------------------------------------------------------------------
>>> -Condition::Condition () :
>>> -    m_condition()
>>> -{
>>> -    m_condition =
>>> static_cast<PCONDITION_VARIABLE>(malloc(sizeof(CONDITION_VARIABLE)));
>>> -
>>> InitializeConditionVariable(static_cast<PCONDITION_VARIABLE>(m_condition));
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Destructor
>>> -//
>>> -// Destroys the pthread condition that the object owns.
>>> -//----------------------------------------------------------------------
>>> -Condition::~Condition ()
>>> -{
>>> -    free(m_condition);
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Unblock all threads waiting for a condition variable
>>> -//----------------------------------------------------------------------
>>> -int
>>> -Condition::Broadcast ()
>>> -{
>>> -
>>> WakeAllConditionVariable(static_cast<PCONDITION_VARIABLE>(m_condition));
>>> -    return 0;
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Unblocks one thread waiting for the condition variable
>>> -//----------------------------------------------------------------------
>>> -int
>>> -Condition::Signal ()
>>> -{
>>> -
>>> WakeConditionVariable(static_cast<PCONDITION_VARIABLE>(m_condition));
>>> -    return 0;
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// The Wait() function atomically blocks the current thread
>>> -// waiting on the owned condition variable, and unblocks the mutex
>>> -// specified by "mutex".  The waiting thread unblocks only after
>>> -// another thread calls Signal(), or Broadcast() with the same
>>> -// condition variable, or if "abstime" is valid (non-NULL) this
>>> -// function will return when the system time reaches the time
>>> -// specified in "abstime". If "abstime" is NULL this function will
>>> -// wait for an infinite amount of time for the condition variable
>>> -// to be signaled or broadcasted.
>>> -//
>>> -// The current thread re-acquires the lock on "mutex".
>>> -//----------------------------------------------------------------------
>>> -int
>>> -Condition::Wait (Mutex &mutex, const TimeValue *abstime, bool
>>> *timed_out)
>>> -{
>>> -    DWORD wait = INFINITE;
>>> -    if (abstime != NULL) {
>>> -        int wval = (*abstime - TimeValue::Now()) / 1000000;
>>> -        if (wval < 0) wval = 0;
>>> -
>>> -        wait = wval;
>>> -    }
>>> -
>>> -    int err =
>>> SleepConditionVariableCS(static_cast<PCONDITION_VARIABLE>(m_condition),
>>> static_cast<PCRITICAL_SECTION>(mutex.m_mutex), wait);
>>> -
>>> -    if (timed_out != NULL)
>>> -    {
>>> -        if ((err == 0) && GetLastError() == ERROR_TIMEOUT)
>>> -            *timed_out = true;
>>> -        else
>>> -            *timed_out = false;
>>> -    }
>>> -
>>> -    return err == 0;
>>> -}
>>> -
>>>
>>> Removed: lldb/trunk/source/Host/windows/Mutex.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/windows/Mutex.cpp?rev=277010&view=auto
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Host/windows/Mutex.cpp (original)
>>> +++ lldb/trunk/source/Host/windows/Mutex.cpp (removed)
>>> @@ -1,109 +0,0 @@
>>> -//===-- Mutex.cpp -----------------------------------------------*- C++
>>> -*-===//
>>> -//
>>> -//                     The LLVM Compiler Infrastructure
>>> -//
>>> -// This file is distributed under the University of Illinois Open Source
>>> -// License. See LICENSE.TXT for details.
>>> -//
>>>
>>> -//===----------------------------------------------------------------------===//
>>> -
>>> -#include "lldb/Host/Mutex.h"
>>> -#include "lldb/Host/Host.h"
>>> -#include "lldb/Host/windows/windows.h"
>>> -
>>> -#include <string.h>
>>> -#include <stdio.h>
>>> -
>>> -#if 0
>>> -// This logging is way too verbose to enable even for a log channel.
>>> -// This logging can be enabled by changing the "#if 0", but should be
>>> -// reverted prior to checking in.
>>> -#include <cstdio>
>>> -#define DEBUG_LOG(fmt, ...) printf(fmt, ## __VA_ARGS__)
>>> -#else
>>> -#define DEBUG_LOG(fmt, ...)
>>> -#endif
>>> -
>>> -using namespace lldb_private;
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Default constructor.
>>> -//
>>> -// Creates a pthread mutex with no attributes.
>>> -//----------------------------------------------------------------------
>>> -Mutex::Mutex () :
>>> -    m_mutex()
>>> -{
>>> -    m_mutex =
>>> static_cast<PCRITICAL_SECTION>(malloc(sizeof(CRITICAL_SECTION)));
>>> -    InitializeCriticalSection(static_cast<PCRITICAL_SECTION>(m_mutex));
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Default constructor.
>>> -//
>>> -// Creates a pthread mutex with "type" as the mutex type.
>>> -//----------------------------------------------------------------------
>>> -Mutex::Mutex (Mutex::Type type) :
>>> -    m_mutex()
>>> -{
>>> -    m_mutex =
>>> static_cast<PCRITICAL_SECTION>(malloc(sizeof(CRITICAL_SECTION)));
>>> -    InitializeCriticalSection(static_cast<PCRITICAL_SECTION>(m_mutex));
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Destructor.
>>> -//
>>> -// Destroys the mutex owned by this object.
>>> -//----------------------------------------------------------------------
>>> -Mutex::~Mutex()
>>> -{
>>> -    DeleteCriticalSection(static_cast<PCRITICAL_SECTION>(m_mutex));
>>> -    free(m_mutex);
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Locks the mutex owned by this object, if the mutex is already
>>> -// locked, the calling thread will block until the mutex becomes
>>> -// available.
>>> -//
>>> -// RETURNS
>>> -//  The error code from the pthread_mutex_lock() function call.
>>> -//----------------------------------------------------------------------
>>> -int
>>> -Mutex::Lock()
>>> -{
>>> -    DEBUG_LOG ("[%4.4" PRIx64 "/%4.4" PRIx64 "] pthread_mutex_lock
>>> (%p)...\n", Host::GetCurrentProcessID(), Host::GetCurrentThreadID(),
>>> m_mutex);
>>> -
>>> -    EnterCriticalSection(static_cast<PCRITICAL_SECTION>(m_mutex));
>>> -    return 0;
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// Attempts to lock the mutex owned by this object without blocking.
>>> -// If the mutex is already locked, TryLock() will not block waiting
>>> -// for the mutex, but will return an error condition.
>>> -//
>>> -// RETURNS
>>> -//  The error code from the pthread_mutex_trylock() function call.
>>> -//----------------------------------------------------------------------
>>> -int
>>> -Mutex::TryLock(const char *failure_message)
>>> -{
>>> -    return
>>> TryEnterCriticalSection(static_cast<PCRITICAL_SECTION>(m_mutex)) == 0;
>>> -}
>>> -
>>> -//----------------------------------------------------------------------
>>> -// If the current thread holds the lock on the owned mutex, then
>>> -// Unlock() will unlock the mutex. Calling Unlock() on this object
>>> -// that the calling thread does not hold will result in undefined
>>> -// behavior.
>>> -//
>>> -// RETURNS
>>> -//  The error code from the pthread_mutex_unlock() function call.
>>> -//----------------------------------------------------------------------
>>> -int
>>> -Mutex::Unlock()
>>> -{
>>> -    LeaveCriticalSection(static_cast<PCRITICAL_SECTION>(m_mutex));
>>> -    return 0;
>>> -}
>>>
>>> Modified:
>>> lldb/trunk/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.h
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.h?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> ---
>>> lldb/trunk/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.h
>>> (original)
>>> +++
>>> lldb/trunk/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.h
>>> Thu Jul 28 12:32:20 2016
>>> @@ -22,7 +22,6 @@
>>>  #include "lldb/Host/FileSpec.h"
>>>  #include "lldb/Core/StructuredData.h"
>>>  #include "lldb/Core/UUID.h"
>>> -#include "lldb/Host/Mutex.h"
>>>  #include "lldb/Target/Process.h"
>>>  #include "lldb/Utility/SafeMachO.h"
>>>
>>>
>>> Modified: lldb/trunk/source/Plugins/Platform/Linux/PlatformLinux.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Platform/Linux/PlatformLinux.cpp?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Plugins/Platform/Linux/PlatformLinux.cpp (original)
>>> +++ lldb/trunk/source/Plugins/Platform/Linux/PlatformLinux.cpp Thu Jul
>>> 28 12:32:20 2016
>>> @@ -699,7 +699,8 @@ PlatformLinux::DebugProcess (ProcessLaun
>>>          // Handle the hijacking of process events.
>>>          if (listener_sp)
>>>          {
>>> -            const StateType state = process_sp->WaitForProcessToStop
>>> (NULL, NULL, false, listener_sp);
>>> +            const StateType state =
>>> +
>>> process_sp->WaitForProcessToStop(std::chrono::microseconds(0), NULL, false,
>>> listener_sp);
>>>
>>>              if (state == eStateStopped)
>>>              {
>>>
>>> Modified:
>>> lldb/trunk/source/Plugins/Process/MacOSX-Kernel/CommunicationKDP.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/MacOSX-Kernel/CommunicationKDP.cpp?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Plugins/Process/MacOSX-Kernel/CommunicationKDP.cpp
>>> (original)
>>> +++ lldb/trunk/source/Plugins/Process/MacOSX-Kernel/CommunicationKDP.cpp
>>> Thu Jul 28 12:32:20 2016
>>> @@ -210,11 +210,10 @@ CommunicationKDP::GetSequenceMutex(std::
>>>      return (lock =
>>> std::unique_lock<std::recursive_mutex>(m_sequence_mutex,
>>> std::try_to_lock)).owns_lock();
>>>  }
>>>
>>> -
>>>  bool
>>> -CommunicationKDP::WaitForNotRunningPrivate (const TimeValue
>>> *timeout_ptr)
>>> +CommunicationKDP::WaitForNotRunningPrivate(const
>>> std::chrono::microseconds &timeout)
>>>  {
>>> -    return m_is_running.WaitForValueEqualTo (false, timeout_ptr, NULL);
>>> +    return m_is_running.WaitForValueEqualTo(false, timoeut, NULL);
>>>  }
>>>
>>>  size_t
>>>
>>> Modified:
>>> lldb/trunk/source/Plugins/Process/MacOSX-Kernel/CommunicationKDP.h
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/MacOSX-Kernel/CommunicationKDP.h?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Plugins/Process/MacOSX-Kernel/CommunicationKDP.h
>>> (original)
>>> +++ lldb/trunk/source/Plugins/Process/MacOSX-Kernel/CommunicationKDP.h
>>> Thu Jul 28 12:32:20 2016
>>> @@ -249,7 +249,7 @@ protected:
>>>                                                  uint32_t timeout_usec);
>>>
>>>      bool
>>> -    WaitForNotRunningPrivate (const lldb_private::TimeValue
>>> *timeout_ptr);
>>> +    WaitForNotRunningPrivate(const std::chrono::microseconds &timeout);
>>>
>>>      void
>>>      MakeRequestPacketHeader (CommandType request_type,
>>>
>>> Modified: lldb/trunk/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp
>>> (original)
>>> +++ lldb/trunk/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp Thu
>>> Jul 28 12:32:20 2016
>>> @@ -941,7 +941,7 @@ ProcessKDP::AsyncThread (void *arg)
>>>              if (log)
>>>                  log->Printf ("ProcessKDP::AsyncThread (pid = %" PRIu64
>>> ") listener.WaitForEvent (NULL, event_sp)...",
>>>                               pid);
>>> -            if (listener_sp->WaitForEvent (NULL, event_sp))
>>> +            if (listener_sp->WaitForEvent(stsd::chrono::micrseconds(0),
>>> event_sp))
>>>              {
>>>                  uint32_t event_type = event_sp->GetType();
>>>                  if (log)
>>>
>>> Modified:
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> ---
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
>>> (original)
>>> +++
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp Thu
>>> Jul 28 12:32:20 2016
>>> @@ -152,23 +152,22 @@ GDBRemoteCommunication::History::Dump (L
>>>  //----------------------------------------------------------------------
>>>  // GDBRemoteCommunication constructor
>>>  //----------------------------------------------------------------------
>>> -GDBRemoteCommunication::GDBRemoteCommunication(const char *comm_name,
>>> -                                               const char
>>> *listener_name) :
>>> -    Communication(comm_name),
>>> +GDBRemoteCommunication::GDBRemoteCommunication(const char *comm_name,
>>> const char *listener_name)
>>> +    : Communication(comm_name),
>>>  #ifdef LLDB_CONFIGURATION_DEBUG
>>> -    m_packet_timeout (1000),
>>> +      m_packet_timeout(1000),
>>>  #else
>>> -    m_packet_timeout (1),
>>> +      m_packet_timeout(1),
>>>  #endif
>>> -    m_echo_number(0),
>>> -    m_supports_qEcho (eLazyBoolCalculate),
>>> -    m_sequence_mutex (Mutex::eMutexTypeRecursive),
>>> -    m_public_is_running (false),
>>> -    m_private_is_running (false),
>>> -    m_history (512),
>>> -    m_send_acks (true),
>>> -    m_compression_type (CompressionType::None),
>>> -    m_listen_url ()
>>> +      m_echo_number(0),
>>> +      m_supports_qEcho(eLazyBoolCalculate),
>>> +      m_sequence_mutex(),
>>> +      m_public_is_running(false),
>>> +      m_private_is_running(false),
>>> +      m_history(512),
>>> +      m_send_acks(true),
>>> +      m_compression_type(CompressionType::None),
>>> +      m_listen_url()
>>>  {
>>>  }
>>>
>>> @@ -229,7 +228,7 @@ GDBRemoteCommunication::SendNack ()
>>>  GDBRemoteCommunication::PacketResult
>>>  GDBRemoteCommunication::SendPacket (const char *payload, size_t
>>> payload_length)
>>>  {
>>> -    Mutex::Locker locker(m_sequence_mutex);
>>> +    std::lock_guard<std::recursive_mutex> guard(m_sequence_mutex);
>>>      return SendPacketNoLock (payload, payload_length);
>>>  }
>>>
>>> @@ -323,20 +322,19 @@ GDBRemoteCommunication::GetAck ()
>>>  }
>>>
>>>  bool
>>> -GDBRemoteCommunication::GetSequenceMutex (Mutex::Locker& locker, const
>>> char *failure_message)
>>> +GDBRemoteCommunication::GetSequenceMutex(std::unique_lock<std::recursive_mutex>
>>> &lock, const char *failure_message)
>>>  {
>>>      if (IsRunning())
>>> -        return locker.TryLock (m_sequence_mutex, failure_message);
>>> +        return (lock =
>>> std::unique_lock<std::recursive_mutex>(m_sequence_mutex,
>>> std::try_to_lock)).owns_lock();
>>>
>>> -    locker.Lock (m_sequence_mutex);
>>> +    lock = std::unique_lock<std::recursive_mutex>(m_sequence_mutex);
>>>      return true;
>>>  }
>>>
>>> -
>>>  bool
>>> -GDBRemoteCommunication::WaitForNotRunningPrivate (const TimeValue
>>> *timeout_ptr)
>>> +GDBRemoteCommunication::WaitForNotRunningPrivate(const
>>> std::chrono::microseconds &timeout)
>>>  {
>>> -    return m_private_is_running.WaitForValueEqualTo (false,
>>> timeout_ptr, NULL);
>>> +    return m_private_is_running.WaitForValueEqualTo(false, timeout,
>>> NULL);
>>>  }
>>>
>>>  GDBRemoteCommunication::PacketResult
>>> @@ -356,20 +354,22 @@ GDBRemoteCommunication::ReadPacket (Stri
>>>  GDBRemoteCommunication::PacketResult
>>>  GDBRemoteCommunication::PopPacketFromQueue (StringExtractorGDBRemote
>>> &response, uint32_t timeout_usec)
>>>  {
>>> -    // Calculate absolute timeout value
>>> -    TimeValue timeout = TimeValue::Now();
>>> -    timeout.OffsetWithMicroSeconds(timeout_usec);
>>> +    auto until = std::chrono::system_clock::now() +
>>> std::chrono::microseconds(timeout_usec);
>>>
>>> -    do
>>> +    while (true)
>>>      {
>>>          // scope for the mutex
>>>          {
>>>              // lock down the packet queue
>>> -            Mutex::Locker locker(m_packet_queue_mutex);
>>> +            std::unique_lock<std::mutex> lock(m_packet_queue_mutex);
>>>
>>>              // Wait on condition variable.
>>>              if (m_packet_queue.size() == 0)
>>> -                m_condition_queue_not_empty.Wait(m_packet_queue_mutex,
>>> &timeout);
>>> +            {
>>> +                std::cv_status result =
>>> m_condition_queue_not_empty.wait_until(lock, until);
>>> +                if (result == std::cv_status::timeout)
>>> +                  break;
>>> +            }
>>>
>>>              if (m_packet_queue.size() > 0)
>>>              {
>>> @@ -389,7 +389,7 @@ GDBRemoteCommunication::PopPacketFromQue
>>>               return PacketResult::ErrorDisconnected;
>>>
>>>        // Loop while not timed out
>>> -    } while (TimeValue::Now() < timeout);
>>> +    }
>>>
>>>      return PacketResult::ErrorReplyTimeout;
>>>  }
>>> @@ -1479,12 +1479,11 @@ void GDBRemoteCommunication::AppendBytes
>>>              // scope for the mutex
>>>              {
>>>                  // lock down the packet queue
>>> -                Mutex::Locker locker(m_packet_queue_mutex);
>>> +                std::lock_guard<std::mutex> guard(m_packet_queue_mutex);
>>>                  // push a new packet into the queue
>>>                  m_packet_queue.push(packet);
>>>                  // Signal condition variable that we have a packet
>>> -                m_condition_queue_not_empty.Signal();
>>> -
>>> +                m_condition_queue_not_empty.notify_one();
>>>              }
>>>          }
>>>
>>>
>>> Modified:
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.h
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.h?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> ---
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.h
>>> (original)
>>> +++
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.h Thu
>>> Jul 28 12:32:20 2016
>>> @@ -12,6 +12,8 @@
>>>
>>>  // C Includes
>>>  // C++ Includes
>>> +#include <condition_variable>
>>> +#include <mutex>
>>>  #include <string>
>>>  #include <queue>
>>>  #include <vector>
>>> @@ -22,7 +24,6 @@
>>>  #include "lldb/Core/Communication.h"
>>>  #include "lldb/Core/Listener.h"
>>>  #include "lldb/Host/HostThread.h"
>>> -#include "lldb/Host/Mutex.h"
>>>  #include "lldb/Host/Predicate.h"
>>>  #include "lldb/Host/TimeValue.h"
>>>  #include "lldb/Interpreter/Args.h"
>>> @@ -114,7 +115,7 @@ public:
>>>                          size_t payload_length);
>>>
>>>      bool
>>> -    GetSequenceMutex(Mutex::Locker& locker, const char *failure_message
>>> = nullptr);
>>> +    GetSequenceMutex(std::unique_lock<std::recursive_mutex> &lock,
>>> const char *failure_message = nullptr);
>>>
>>>      PacketType
>>>      CheckForPacket (const uint8_t *src,
>>> @@ -285,9 +286,9 @@ protected:
>>>      uint32_t m_echo_number;
>>>      LazyBool m_supports_qEcho;
>>>  #ifdef ENABLE_MUTEX_ERROR_CHECKING
>>> -    TrackingMutex m_sequence_mutex;
>>> +#error TrackingMutex is no longer supported
>>>  #else
>>> -    Mutex m_sequence_mutex;    // Restrict access to sending/receiving
>>> packets to a single thread at a time
>>> +    std::recursive_mutex m_sequence_mutex; // Restrict access to
>>> sending/receiving packets to a single thread at a time
>>>  #endif
>>>      Predicate<bool> m_public_is_running;
>>>      Predicate<bool> m_private_is_running;
>>> @@ -320,7 +321,7 @@ protected:
>>>                                                  bool sync_on_timeout);
>>>
>>>      bool
>>> -    WaitForNotRunningPrivate (const TimeValue *timeout_ptr);
>>> +    WaitForNotRunningPrivate(const std::chrono::microseconds &timeout);
>>>
>>>      bool
>>>      CompressionIsEnabled ()
>>> @@ -364,8 +365,8 @@ protected:
>>>
>>>  private:
>>>      std::queue<StringExtractorGDBRemote> m_packet_queue; // The packet
>>> queue
>>> -    lldb_private::Mutex m_packet_queue_mutex;            // Mutex for
>>> accessing queue
>>> -    Condition m_condition_queue_not_empty;               // Condition
>>> variable to wait for packets
>>> +    std::mutex m_packet_queue_mutex;                     // Mutex for
>>> accessing queue
>>> +    std::condition_variable m_condition_queue_not_empty; // Condition
>>> variable to wait for packets
>>>
>>>      HostThread m_listen_thread;
>>>      std::string m_listen_url;
>>>
>>> Modified:
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> ---
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
>>> (original)
>>> +++
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
>>> Thu Jul 28 12:32:20 2016
>>> @@ -720,9 +720,10 @@ GDBRemoteCommunicationClient::SendPacket
>>>      std::string &response_string
>>>  )
>>>  {
>>> -    Mutex::Locker locker;
>>> -    if (!GetSequenceMutex(locker,
>>> -
>>> "ProcessGDBRemote::SendPacketsAndConcatenateResponses() failed due to not
>>> getting the sequence mutex"))
>>> +    std::unique_lock<std::recursive_mutex> lock;
>>> +    if (!GetSequenceMutex(
>>> +            lock,
>>> +            "ProcessGDBRemote::SendPacketsAndConcatenateResponses()
>>> failed due to not getting the sequence mutex"))
>>>      {
>>>          Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet
>>> (GDBR_LOG_PROCESS | GDBR_LOG_PACKETS));
>>>          if (log)
>>> @@ -821,7 +822,7 @@ GDBRemoteCommunicationClient::SendPacket
>>>  )
>>>  {
>>>      PacketResult packet_result = PacketResult::ErrorSendFailed;
>>> -    Mutex::Locker locker;
>>> +    std::unique_lock<std::recursive_mutex> lock;
>>>      Log *log (ProcessGDBRemoteLog::GetLogIfAllCategoriesSet
>>> (GDBR_LOG_PROCESS));
>>>
>>>      // In order to stop async notifications from being processed in the
>>> middle of the
>>> @@ -829,7 +830,7 @@ GDBRemoteCommunicationClient::SendPacket
>>>      static ListenerSP
>>> hijack_listener_sp(Listener::MakeListener("lldb.NotifyHijacker"));
>>>      HijackBroadcaster(hijack_listener_sp,
>>> eBroadcastBitGdbReadThreadGotNotify);
>>>
>>> -    if (GetSequenceMutex (locker))
>>> +    if (GetSequenceMutex(lock))
>>>      {
>>>          packet_result = SendPacketAndWaitForResponseNoLock (payload,
>>> payload_length, response);
>>>      }
>>> @@ -848,19 +849,22 @@ GDBRemoteCommunicationClient::SendPacket
>>>                      log->Printf ("async: async packet = %s",
>>> m_async_packet.c_str());
>>>
>>>                  bool timed_out = false;
>>> -                if (SendInterrupt(locker, 2, timed_out))
>>> +                if (SendInterrupt(lock, 2, timed_out))
>>>                  {
>>>                      if (m_interrupt_sent)
>>>                      {
>>>                          m_interrupt_sent = false;
>>> -                        TimeValue timeout_time;
>>> -                        timeout_time = TimeValue::Now();
>>> -                        timeout_time.OffsetWithSeconds
>>> (m_packet_timeout);
>>> +
>>> +
>>> std::chrono::time_point<std::chrono::system_clock> until;
>>> +                        until = std::chrono::system_clock::now() +
>>> std::chrono::seconds(m_packet_timeout);
>>>
>>>                          if (log)
>>>                              log->Printf ("async: sent interrupt");
>>>
>>> -                        if
>>> (m_async_packet_predicate.WaitForValueEqualTo (false, &timeout_time,
>>> &timed_out))
>>> +                        if
>>> (m_async_packet_predicate.WaitForValueEqualTo(
>>> +                                false,
>>> std::chrono::duration_cast<std::chrono::microseconds>(
>>> +                                           until -
>>> std::chrono::system_clock::now()),
>>> +                                &timed_out))
>>>                          {
>>>                              if (log)
>>>                                  log->Printf ("async: got response");
>>> @@ -876,7 +880,10 @@ GDBRemoteCommunicationClient::SendPacket
>>>                          }
>>>
>>>                          // Make sure we wait until the continue packet
>>> has been sent again...
>>> -                        if (m_private_is_running.WaitForValueEqualTo
>>> (true, &timeout_time, &timed_out))
>>> +                        if (m_private_is_running.WaitForValueEqualTo(
>>> +                                true,
>>> std::chrono::duration_cast<std::chrono::microseconds>(
>>> +                                          until -
>>> std::chrono::system_clock::now()),
>>> +                                &timed_out))
>>>                          {
>>>                              if (log)
>>>                              {
>>> @@ -1045,7 +1052,7 @@ GDBRemoteCommunicationClient::SendvContP
>>>          log->Printf("GDBRemoteCommunicationClient::%s ()",
>>> __FUNCTION__);
>>>
>>>      // we want to lock down packet sending while we continue
>>> -    Mutex::Locker locker(m_sequence_mutex);
>>> +    std::lock_guard<std::recursive_mutex> guard(m_sequence_mutex);
>>>
>>>      // here we broadcast this before we even send the packet!!
>>>      // this signals doContinue() to exit
>>> @@ -1094,7 +1101,7 @@ GDBRemoteCommunicationClient::SendContin
>>>      if (log)
>>>          log->Printf ("GDBRemoteCommunicationClient::%s ()",
>>> __FUNCTION__);
>>>
>>> -    Mutex::Locker locker(m_sequence_mutex);
>>> +    std::lock_guard<std::recursive_mutex> guard(m_sequence_mutex);
>>>      StateType state = eStateRunning;
>>>
>>>      m_public_is_running.SetValue (true, eBroadcastNever);
>>> @@ -1394,8 +1401,8 @@ GDBRemoteCommunicationClient::SendAsyncS
>>>      std::lock_guard<std::recursive_mutex> guard(m_async_mutex);
>>>      m_async_signal = signo;
>>>      bool timed_out = false;
>>> -    Mutex::Locker locker;
>>> -    if (SendInterrupt (locker, 1, timed_out))
>>> +    std::unique_lock<std::recursive_mutex> lock;
>>> +    if (SendInterrupt(lock, 1, timed_out))
>>>          return true;
>>>      m_async_signal = -1;
>>>      return false;
>>> @@ -1412,12 +1419,8 @@ GDBRemoteCommunicationClient::SendAsyncS
>>>  // (gdb remote protocol requires this), and do what we need to do, then
>>> resume.
>>>
>>>  bool
>>> -GDBRemoteCommunicationClient::SendInterrupt
>>> -(
>>> -    Mutex::Locker& locker,
>>> -    uint32_t seconds_to_wait_for_stop,
>>> -    bool &timed_out
>>> -)
>>> +GDBRemoteCommunicationClient::SendInterrupt(std::unique_lock<std::recursive_mutex>
>>> &lock,
>>> +                                            uint32_t
>>> seconds_to_wait_for_stop, bool &timed_out)
>>>  {
>>>      timed_out = false;
>>>      Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet
>>> (GDBR_LOG_PROCESS | GDBR_LOG_PACKETS));
>>> @@ -1425,7 +1428,7 @@ GDBRemoteCommunicationClient::SendInterr
>>>      if (IsRunning())
>>>      {
>>>          // Only send an interrupt if our debugserver is running...
>>> -        if (GetSequenceMutex (locker))
>>> +        if (GetSequenceMutex(lock))
>>>          {
>>>              if (log)
>>>                  log->Printf ("SendInterrupt () - got sequence mutex
>>> without having to interrupt");
>>> @@ -1444,13 +1447,8 @@ GDBRemoteCommunicationClient::SendInterr
>>>                  m_interrupt_sent = true;
>>>                  if (seconds_to_wait_for_stop)
>>>                  {
>>> -                    TimeValue timeout;
>>> -                    if (seconds_to_wait_for_stop)
>>> -                    {
>>> -                        timeout = TimeValue::Now();
>>> -                        timeout.OffsetWithSeconds
>>> (seconds_to_wait_for_stop);
>>> -                    }
>>> -                    if (m_private_is_running.WaitForValueEqualTo
>>> (false, &timeout, &timed_out))
>>> +                    if (m_private_is_running.WaitForValueEqualTo(false,
>>> std::chrono::seconds(seconds_to_wait_for_stop),
>>> +
>>>  &timed_out))
>>>                      {
>>>                          if (log)
>>>                              log->PutCString ("SendInterrupt () - sent
>>> interrupt, private state stopped");
>>> @@ -3653,10 +3651,10 @@ size_t
>>>  GDBRemoteCommunicationClient::GetCurrentThreadIDs
>>> (std::vector<lldb::tid_t> &thread_ids,
>>>                                                     bool
>>> &sequence_mutex_unavailable)
>>>  {
>>> -    Mutex::Locker locker;
>>> +    std::unique_lock<std::recursive_mutex> lock;
>>>      thread_ids.clear();
>>> -
>>> -    if (GetSequenceMutex (locker, "ProcessGDBRemote::UpdateThreadList()
>>> failed due to not getting the sequence mutex"))
>>> +
>>> +    if (GetSequenceMutex(lock, "ProcessGDBRemote::UpdateThreadList()
>>> failed due to not getting the sequence mutex"))
>>>      {
>>>          sequence_mutex_unavailable = false;
>>>          StringExtractorGDBRemote response;
>>> @@ -4203,8 +4201,8 @@ GDBRemoteCommunicationClient::AvoidGPack
>>>  bool
>>>  GDBRemoteCommunicationClient::ReadRegister(lldb::tid_t tid, uint32_t
>>> reg, StringExtractorGDBRemote &response)
>>>  {
>>> -    Mutex::Locker locker;
>>> -    if (GetSequenceMutex (locker, "Didn't get sequence mutex for p
>>> packet."))
>>> +    std::unique_lock<std::recursive_mutex> lock;
>>> +    if (GetSequenceMutex(lock, "Didn't get sequence mutex for p
>>> packet."))
>>>      {
>>>          const bool thread_suffix_supported = GetThreadSuffixSupported();
>>>
>>> @@ -4228,8 +4226,8 @@ GDBRemoteCommunicationClient::ReadRegist
>>>  bool
>>>  GDBRemoteCommunicationClient::ReadAllRegisters (lldb::tid_t tid,
>>> StringExtractorGDBRemote &response)
>>>  {
>>> -    Mutex::Locker locker;
>>> -    if (GetSequenceMutex (locker, "Didn't get sequence mutex for g
>>> packet."))
>>> +    std::unique_lock<std::recursive_mutex> lock;
>>> +    if (GetSequenceMutex(lock, "Didn't get sequence mutex for g
>>> packet."))
>>>      {
>>>          const bool thread_suffix_supported = GetThreadSuffixSupported();
>>>
>>> @@ -4256,8 +4254,8 @@ GDBRemoteCommunicationClient::SaveRegist
>>>          return false;
>>>
>>>      m_supports_QSaveRegisterState = eLazyBoolYes;
>>> -    Mutex::Locker locker;
>>> -    if (GetSequenceMutex (locker, "Didn't get sequence mutex for
>>> QSaveRegisterState."))
>>> +    std::unique_lock<std::recursive_mutex> lock;
>>> +    if (GetSequenceMutex(lock, "Didn't get sequence mutex for
>>> QSaveRegisterState."))
>>>      {
>>>          const bool thread_suffix_supported = GetThreadSuffixSupported();
>>>          if (thread_suffix_supported || SetCurrentThread(tid))
>>> @@ -4298,9 +4296,9 @@ GDBRemoteCommunicationClient::RestoreReg
>>>      // order to be useful
>>>      if (m_supports_QSaveRegisterState == eLazyBoolNo)
>>>          return false;
>>> -
>>> -    Mutex::Locker locker;
>>> -    if (GetSequenceMutex (locker, "Didn't get sequence mutex for
>>> QRestoreRegisterState."))
>>> +
>>> +    std::unique_lock<std::recursive_mutex> lock;
>>> +    if (GetSequenceMutex(lock, "Didn't get sequence mutex for
>>> QRestoreRegisterState."))
>>>      {
>>>          const bool thread_suffix_supported = GetThreadSuffixSupported();
>>>          if (thread_suffix_supported || SetCurrentThread(tid))
>>> @@ -4530,8 +4528,10 @@ GDBRemoteCommunicationClient::ServeSymbo
>>>
>>>      if (m_supports_qSymbol && m_qSymbol_requests_done == false)
>>>      {
>>> -        Mutex::Locker locker;
>>> -        if (GetSequenceMutex(locker,
>>> "GDBRemoteCommunicationClient::ServeSymbolLookups() failed due to not
>>> getting the sequence mutex"))
>>> +        std::unique_lock<std::recursive_mutex> lock;
>>> +        if (GetSequenceMutex(
>>> +                lock,
>>> +                "GDBRemoteCommunicationClient::ServeSymbolLookups()
>>> failed due to not getting the sequence mutex"))
>>>          {
>>>              StreamString packet;
>>>              packet.PutCString ("qSymbol::");
>>>
>>> Modified:
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> ---
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
>>> (original)
>>> +++
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h
>>> Thu Jul 28 12:32:20 2016
>>> @@ -105,9 +105,7 @@ public:
>>>      SendAsyncSignal (int signo);
>>>
>>>      bool
>>> -    SendInterrupt (Mutex::Locker &locker,
>>> -                   uint32_t seconds_to_wait_for_stop,
>>> -                   bool &timed_out);
>>> +    SendInterrupt(std::unique_lock<std::recursive_mutex> &lock,
>>> uint32_t seconds_to_wait_for_stop, bool &timed_out);
>>>
>>>      lldb::pid_t
>>>      GetCurrentProcessID (bool allow_lazy = true);
>>>
>>> Modified:
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteRegisterContext.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteRegisterContext.cpp?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> ---
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteRegisterContext.cpp
>>> (original)
>>> +++
>>> lldb/trunk/source/Plugins/Process/gdb-remote/GDBRemoteRegisterContext.cpp
>>> Thu Jul 28 12:32:20 2016
>>> @@ -401,8 +401,8 @@ GDBRemoteRegisterContext::WriteRegisterB
>>>                                    reg_info->byte_size,          // dst
>>> length
>>>                                    m_reg_data.GetByteOrder()))   // dst
>>> byte order
>>>      {
>>> -        Mutex::Locker locker;
>>> -        if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence
>>> mutex for write register."))
>>> +        std::unique_lock<std::recursive_mutex> lock;
>>> +        if (gdb_comm.GetSequenceMutex(lock, "Didn't get sequence mutex
>>> for write register."))
>>>          {
>>>              const bool thread_suffix_supported =
>>> gdb_comm.GetThreadSuffixSupported();
>>>              ProcessSP process_sp (m_thread.GetProcess());
>>> @@ -570,8 +570,8 @@ GDBRemoteRegisterContext::ReadAllRegiste
>>>
>>>      const bool use_g_packet = gdb_comm.AvoidGPackets ((ProcessGDBRemote
>>> *)process) == false;
>>>
>>> -    Mutex::Locker locker;
>>> -    if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex
>>> for read all registers."))
>>> +    std::unique_lock<std::recursive_mutex> lock;
>>> +    if (gdb_comm.GetSequenceMutex(lock, "Didn't get sequence mutex for
>>> read all registers."))
>>>      {
>>>          SyncThreadState(process);
>>>
>>> @@ -679,8 +679,8 @@ GDBRemoteRegisterContext::WriteAllRegist
>>>      const bool use_g_packet = gdb_comm.AvoidGPackets ((ProcessGDBRemote
>>> *)process) == false;
>>>
>>>      StringExtractorGDBRemote response;
>>> -    Mutex::Locker locker;
>>> -    if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex
>>> for write all registers."))
>>> +    std::unique_lock<std::recursive_mutex> lock;
>>> +    if (gdb_comm.GetSequenceMutex(lock, "Didn't get sequence mutex for
>>> write all registers."))
>>>      {
>>>          const bool thread_suffix_supported =
>>> gdb_comm.GetThreadSuffixSupported();
>>>          ProcessSP process_sp (m_thread.GetProcess());
>>>
>>> Modified:
>>> lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
>>> (original)
>>> +++ lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
>>> Thu Jul 28 12:32:20 2016
>>> @@ -1590,9 +1590,6 @@ ProcessGDBRemote::DoResume ()
>>>          else
>>>          {
>>>              EventSP event_sp;
>>> -            TimeValue timeout;
>>> -            timeout = TimeValue::Now();
>>> -            timeout.OffsetWithSeconds (5);
>>>              if (!m_async_thread.IsJoinable())
>>>              {
>>>                  error.SetErrorString ("Trying to resume but the async
>>> thread is dead.");
>>> @@ -1603,7 +1600,7 @@ ProcessGDBRemote::DoResume ()
>>>
>>>              m_async_broadcaster.BroadcastEvent
>>> (eBroadcastBitAsyncContinue, new EventDataBytes (continue_packet.GetData(),
>>> continue_packet.GetSize()));
>>>
>>> -            if (listener_sp->WaitForEvent (&timeout, event_sp) == false)
>>> +            if (listener_sp->WaitForEvent(std::chrono::seconds(5),
>>> event_sp) == false)
>>>              {
>>>                  error.SetErrorString("Resume timed out.");
>>>                  if (log)
>>> @@ -2717,7 +2714,7 @@ ProcessGDBRemote::DoHalt (bool &caused_s
>>>      Error error;
>>>
>>>      bool timed_out = false;
>>> -    Mutex::Locker locker;
>>> +    std::unique_lock<std::recursive_mutex> lock;
>>>
>>>      if (m_public_state.GetValue() == eStateAttaching)
>>>      {
>>> @@ -2727,7 +2724,7 @@ ProcessGDBRemote::DoHalt (bool &caused_s
>>>      }
>>>      else
>>>      {
>>> -        if (!m_gdb_comm.SendInterrupt (locker, 2, timed_out))
>>> +        if (!m_gdb_comm.SendInterrupt(lock, 2, timed_out))
>>>          {
>>>              if (timed_out)
>>>                  error.SetErrorString("timed out sending interrupt
>>> packet");
>>> @@ -3860,7 +3857,7 @@ ProcessGDBRemote::AsyncThread (void *arg
>>>      {
>>>          if (log)
>>>              log->Printf ("ProcessGDBRemote::%s (arg = %p, pid = %"
>>> PRIu64 ") listener.WaitForEvent (NULL, event_sp)...", __FUNCTION__, arg,
>>> process->GetID());
>>> -        if (process->m_async_listener_sp->WaitForEvent (NULL, event_sp))
>>> +        if
>>> (process->m_async_listener_sp->WaitForEvent(std::chrono::microseconds(0),
>>> event_sp))
>>>          {
>>>              const uint32_t event_type = event_sp->GetType();
>>>              if (event_sp->BroadcasterIs (&process->m_async_broadcaster))
>>>
>>> Modified: lldb/trunk/source/Target/Process.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Target/Process.cpp?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Target/Process.cpp (original)
>>> +++ lldb/trunk/source/Target/Process.cpp Thu Jul 28 12:32:20 2016
>>> @@ -978,10 +978,8 @@ Process::SyncIOHandler (uint32_t iohandl
>>>      if (!m_process_input_reader)
>>>          return;
>>>
>>> -    TimeValue timeout = TimeValue::Now();
>>> -    timeout.OffsetWithMicroSeconds(timeout_msec*1000);
>>>      uint32_t new_iohandler_id = 0;
>>> -    m_iohandler_sync.WaitForValueNotEqualTo(iohandler_id,
>>> new_iohandler_id, &timeout);
>>> +    m_iohandler_sync.WaitForValueNotEqualTo(iohandler_id,
>>> new_iohandler_id, std::chrono::milliseconds(timeout_msec));
>>>
>>>      Log *log(lldb_private::GetLogIfAllCategoriesSet
>>> (LIBLLDB_LOG_PROCESS));
>>>      if (log)
>>> @@ -989,12 +987,8 @@ Process::SyncIOHandler (uint32_t iohandl
>>>  }
>>>
>>>  StateType
>>> -Process::WaitForProcessToStop (const TimeValue *timeout,
>>> -                               EventSP *event_sp_ptr,
>>> -                               bool wait_always,
>>> -                               ListenerSP hijack_listener_sp,
>>> -                               Stream *stream,
>>> -                               bool use_run_lock)
>>> +Process::WaitForProcessToStop(const std::chrono::microseconds &timeout,
>>> EventSP *event_sp_ptr, bool wait_always,
>>> +                              ListenerSP hijack_listener_sp, Stream
>>> *stream, bool use_run_lock)
>>>  {
>>>      // We can't just wait for a "stopped" event, because the stopped
>>> event may have restarted the target.
>>>      // We have to actually check each event, and in the case of a
>>> stopped event check the restarted flag
>>> @@ -1009,8 +1003,7 @@ Process::WaitForProcessToStop (const Tim
>>>
>>>      Log *log(lldb_private::GetLogIfAllCategoriesSet
>>> (LIBLLDB_LOG_PROCESS));
>>>      if (log)
>>> -        log->Printf ("Process::%s (timeout = %p)", __FUNCTION__,
>>> -                     static_cast<const void*>(timeout));
>>> +        log->Printf("Process::%s (timeout = %llu)", __FUNCTION__,
>>> static_cast<unsigned long long>(timeout.count()));
>>>
>>>      if (!wait_always &&
>>>          StateIsStoppedState(state, true) &&
>>> @@ -1029,7 +1022,7 @@ Process::WaitForProcessToStop (const Tim
>>>      while (state != eStateInvalid)
>>>      {
>>>          EventSP event_sp;
>>> -        state = WaitForStateChangedEvents (timeout, event_sp,
>>> hijack_listener_sp);
>>> +        state = WaitForStateChangedEvents(std::chrono::milliseconds(0),
>>> event_sp, hijack_listener_sp);
>>>          if (event_sp_ptr && event_sp)
>>>              *event_sp_ptr = event_sp;
>>>
>>> @@ -1265,8 +1258,7 @@ Process::HandleProcessStateChangedEvent
>>>  }
>>>
>>>  StateType
>>> -Process::WaitForState(const TimeValue *timeout,
>>> -                      const StateType *match_states,
>>> +Process::WaitForState(const std::chrono::microseconds &timeout, const
>>> StateType *match_states,
>>>                        const uint32_t num_match_states)
>>>  {
>>>      EventSP event_sp;
>>> @@ -1307,13 +1299,14 @@ Process::RestoreProcessEvents ()
>>>  }
>>>
>>>  StateType
>>> -Process::WaitForStateChangedEvents (const TimeValue *timeout, EventSP
>>> &event_sp, ListenerSP hijack_listener_sp)
>>> +Process::WaitForStateChangedEvents(const std::chrono::microseconds
>>> &timeout, EventSP &event_sp,
>>> +                                   ListenerSP hijack_listener_sp)
>>>  {
>>>      Log *log(lldb_private::GetLogIfAllCategoriesSet
>>> (LIBLLDB_LOG_PROCESS));
>>>
>>>      if (log)
>>> -        log->Printf ("Process::%s (timeout = %p, event_sp)...",
>>> __FUNCTION__,
>>> -                     static_cast<const void*>(timeout));
>>> +        log->Printf("Process::%s (timeout = %llu, event_sp)...",
>>> __FUNCTION__,
>>> +                    static_cast<unsigned long long>(timeout.count()));
>>>
>>>      ListenerSP listener_sp = hijack_listener_sp;
>>>      if (!listener_sp)
>>> @@ -1332,9 +1325,8 @@ Process::WaitForStateChangedEvents (cons
>>>      }
>>>
>>>      if (log)
>>> -        log->Printf ("Process::%s (timeout = %p, event_sp) => %s",
>>> -                     __FUNCTION__, static_cast<const void*>(timeout),
>>> -                     StateAsCString(state));
>>> +        log->Printf("Process::%s (timeout = %llu, event_sp) => %s",
>>> __FUNCTION__,
>>> +                    static_cast<unsigned long long>(timeout.count()),
>>> StateAsCString(state));
>>>      return state;
>>>  }
>>>
>>> @@ -1367,13 +1359,13 @@ Process::PeekAtStateChangedEvents ()
>>>  }
>>>
>>>  StateType
>>> -Process::WaitForStateChangedEventsPrivate (const TimeValue *timeout,
>>> EventSP &event_sp)
>>> +Process::WaitForStateChangedEventsPrivate(const
>>> std::chrono::microseconds &timeout, EventSP &event_sp)
>>>  {
>>>      Log *log(lldb_private::GetLogIfAllCategoriesSet
>>> (LIBLLDB_LOG_PROCESS));
>>>
>>>      if (log)
>>> -        log->Printf ("Process::%s (timeout = %p, event_sp)...",
>>> __FUNCTION__,
>>> -                     static_cast<const void*>(timeout));
>>> +        log->Printf("Process::%s (timeout = %llu, event_sp)...",
>>> __FUNCTION__,
>>> +                    static_cast<unsigned long long>(timeout.count()));
>>>
>>>      StateType state = eStateInvalid;
>>>      if (m_private_state_listener_sp->WaitForEventForBroadcasterWithType
>>> (timeout,
>>> @@ -1387,20 +1379,20 @@ Process::WaitForStateChangedEventsPrivat
>>>      // to the command-line, and that could disable the log, which would
>>> render the
>>>      // log we got above invalid.
>>>      if (log)
>>> -        log->Printf ("Process::%s (timeout = %p, event_sp) => %s",
>>> -                     __FUNCTION__, static_cast<const void *>(timeout),
>>> -                     state == eStateInvalid ? "TIMEOUT" :
>>> StateAsCString(state));
>>> +        log->Printf("Process::%s (timeout = %llu, event_sp) => %s",
>>> __FUNCTION__,
>>> +                    static_cast<unsigned long long>(timeout.count()),
>>> +                    state == eStateInvalid ? "TIMEOUT" :
>>> StateAsCString(state));
>>>      return state;
>>>  }
>>>
>>>  bool
>>> -Process::WaitForEventsPrivate (const TimeValue *timeout, EventSP
>>> &event_sp, bool control_only)
>>> +Process::WaitForEventsPrivate(const std::chrono::microseconds &timeout,
>>> EventSP &event_sp, bool control_only)
>>>  {
>>>      Log *log(lldb_private::GetLogIfAllCategoriesSet
>>> (LIBLLDB_LOG_PROCESS));
>>>
>>>      if (log)
>>> -        log->Printf ("Process::%s (timeout = %p, event_sp)...",
>>> __FUNCTION__,
>>> -                     static_cast<const void*>(timeout));
>>> +        log->Printf("Process::%s (timeout = %llu, event_sp)...",
>>> __FUNCTION__,
>>> +                    static_cast<unsigned long long>(timeout.count()));
>>>
>>>      if (control_only)
>>>          return
>>> m_private_state_listener_sp->WaitForEventForBroadcaster(timeout,
>>> &m_private_state_control_broadcaster, event_sp);
>>> @@ -1751,7 +1743,7 @@ Process::ResumeSynchronous (Stream *stre
>>>      Error error = PrivateResume();
>>>      if (error.Success())
>>>      {
>>> -        StateType state = WaitForProcessToStop (NULL, NULL, true,
>>> listener_sp, stream);
>>> +        StateType state =
>>> WaitForProcessToStop(std::chrono::microseconds(0), NULL, true, listener_sp,
>>> stream);
>>>          const bool must_be_alive = false; // eStateExited is ok, so
>>> this must be false
>>>          if (!StateIsStoppedState(state, must_be_alive))
>>>              error.SetErrorStringWithFormat("process not in stopped
>>> state after synchronous resume: %s", StateAsCString(state));
>>> @@ -2891,7 +2883,7 @@ Process::DisableWatchpoint (Watchpoint *
>>>  }
>>>
>>>  StateType
>>> -Process::WaitForProcessStopPrivate (const TimeValue *timeout, EventSP
>>> &event_sp)
>>> +Process::WaitForProcessStopPrivate(const std::chrono::microseconds
>>> &timeout, EventSP &event_sp)
>>>  {
>>>      StateType state;
>>>      // Now wait for the process to launch and return control to us, and
>>> then
>>> @@ -2987,10 +2979,7 @@ Process::Launch (ProcessLaunchInfo &laun
>>>                  else
>>>                  {
>>>                      EventSP event_sp;
>>> -                    TimeValue timeout_time;
>>> -                    timeout_time = TimeValue::Now();
>>> -                    timeout_time.OffsetWithSeconds(10);
>>> -                    StateType state =
>>> WaitForProcessStopPrivate(&timeout_time, event_sp);
>>> +                    StateType state =
>>> WaitForProcessStopPrivate(std::chrono::seconds(10), event_sp);
>>>
>>>                      if (state == eStateInvalid || !event_sp)
>>>                      {
>>> @@ -3083,7 +3072,7 @@ Process::LoadCore ()
>>>
>>>          // Wait indefinitely for a stopped event since we just posted
>>> one above...
>>>          lldb::EventSP event_sp;
>>> -        listener_sp->WaitForEvent (nullptr, event_sp);
>>> +        listener_sp->WaitForEvent(std::chrono::microseconds(0),
>>> event_sp);
>>>          StateType state =
>>> ProcessEventData::GetStateFromEvent(event_sp.get());
>>>
>>>          if (!StateIsStoppedState (state, false))
>>> @@ -3502,8 +3491,8 @@ Process::ConnectRemote (Stream *strm, co
>>>          if (GetID() != LLDB_INVALID_PROCESS_ID)
>>>          {
>>>              EventSP event_sp;
>>> -            StateType state = WaitForProcessStopPrivate(nullptr,
>>> event_sp);
>>> -
>>> +            StateType state =
>>> WaitForProcessStopPrivate(std::chrono::microseconds(0), event_sp);
>>> +
>>>              if (state == eStateStopped || state == eStateCrashed)
>>>              {
>>>                  // If we attached and actually have a process on the
>>> other end, then
>>> @@ -3612,11 +3601,8 @@ Process::Halt (bool clear_thread_plans,
>>>      }
>>>
>>>      // Wait for 10 second for the process to stop.
>>> -    TimeValue timeout_time;
>>> -    timeout_time = TimeValue::Now();
>>> -    timeout_time.OffsetWithSeconds(10);
>>> -    StateType state = WaitForProcessToStop(&timeout_time, &event_sp,
>>> true, halt_listener_sp,
>>> -                                           nullptr, use_run_lock);
>>> +    StateType state =
>>> +        WaitForProcessToStop(std::chrono::seconds(10), &event_sp, true,
>>> halt_listener_sp, nullptr, use_run_lock);
>>>      RestoreProcessEvents();
>>>
>>>      if (state == eStateInvalid || ! event_sp)
>>> @@ -3649,10 +3635,7 @@ Process::StopForDestroyOrDetach(lldb::Ev
>>>          SendAsyncInterrupt();
>>>
>>>          // Consume the interrupt event.
>>> -        TimeValue timeout (TimeValue::Now());
>>> -        timeout.OffsetWithSeconds(10);
>>> -
>>> -        StateType state = WaitForProcessToStop (&timeout,
>>> &exit_event_sp, true, listener_sp);
>>> +        StateType state =
>>> WaitForProcessToStop(std::chrono::seconds(10), &exit_event_sp, true,
>>> listener_sp);
>>>
>>>          RestoreProcessEvents();
>>>
>>> @@ -4125,12 +4108,9 @@ Process::ControlPrivateStateThread (uint
>>>              while (!receipt_received)
>>>              {
>>>                  bool timed_out = false;
>>> -                TimeValue timeout_time;
>>> -                timeout_time = TimeValue::Now();
>>> -                timeout_time.OffsetWithSeconds(2);
>>>                  // Check for a receipt for 2 seconds and then check if
>>> the private state
>>>                  // thread is still around.
>>> -                receipt_received =
>>> event_receipt_sp->WaitForEventReceived (&timeout_time, &timed_out);
>>> +                receipt_received =
>>> event_receipt_sp->WaitForEventReceived(std::chrono::seconds(2), &timed_out);
>>>                  if (!receipt_received)
>>>                  {
>>>                      // Check if the private state thread is still
>>> around. If it isn't then we are done waiting
>>> @@ -4326,7 +4306,7 @@ Process::RunPrivateStateThread (bool is_
>>>      while (!exit_now)
>>>      {
>>>          EventSP event_sp;
>>> -        WaitForEventsPrivate(nullptr, event_sp, control_only);
>>> +        WaitForEventsPrivate(std::chrono::microseconds(0), event_sp,
>>> control_only);
>>>          if
>>> (event_sp->BroadcasterIs(&m_private_state_control_broadcaster))
>>>          {
>>>              if (log)
>>> @@ -5351,9 +5331,6 @@ Process::RunThreadPlan(ExecutionContext
>>>          lldb::EventSP event_sp;
>>>          lldb::StateType stop_state = lldb::eStateInvalid;
>>>
>>> -        TimeValue* timeout_ptr = nullptr;
>>> -        TimeValue real_timeout;
>>> -
>>>          bool before_first_timeout = true;  // This is set to false the
>>> first time that we have to halt the target.
>>>          bool do_resume = true;
>>>          bool handle_running_event = true;
>>> @@ -5454,6 +5431,7 @@ Process::RunThreadPlan(ExecutionContext
>>>  #endif
>>>          TimeValue one_thread_timeout;
>>>          TimeValue final_timeout;
>>> +        std::chrono::microseconds timeout =
>>> std::chrono::microseconds(0);
>>>
>>>          while (true)
>>>          {
>>> @@ -5484,10 +5462,7 @@ Process::RunThreadPlan(ExecutionContext
>>>                      }
>>>                  }
>>>
>>> -                TimeValue resume_timeout = TimeValue::Now();
>>> -                resume_timeout.OffsetWithMicroSeconds(500000);
>>> -
>>> -                got_event = listener_sp->WaitForEvent(&resume_timeout,
>>> event_sp);
>>> +                got_event =
>>> listener_sp->WaitForEvent(std::chrono::microseconds(500000), event_sp);
>>>                  if (!got_event)
>>>                  {
>>>                      if (log)
>>> @@ -5552,33 +5527,16 @@ Process::RunThreadPlan(ExecutionContext
>>>              if (before_first_timeout)
>>>              {
>>>                  if (options.GetTryAllThreads())
>>> -                {
>>> -                    one_thread_timeout = TimeValue::Now();
>>> -
>>> one_thread_timeout.OffsetWithMicroSeconds(one_thread_timeout_usec);
>>> -                    timeout_ptr = &one_thread_timeout;
>>> -                }
>>> +                    timeout =
>>> std::chrono::microseconds(one_thread_timeout_usec);
>>>                  else
>>> -                {
>>> -                    if (timeout_usec == 0)
>>> -                        timeout_ptr = nullptr;
>>> -                    else
>>> -                    {
>>> -                        final_timeout = TimeValue::Now();
>>> -                        final_timeout.OffsetWithMicroSeconds
>>> (timeout_usec);
>>> -                        timeout_ptr = &final_timeout;
>>> -                    }
>>> -                }
>>> +                    timeout = std::chrono::microseconds(timeout_usec);
>>>              }
>>>              else
>>>              {
>>>                  if (timeout_usec == 0)
>>> -                    timeout_ptr = nullptr;
>>> +                    timeout = std::chrono::microseconds(0);
>>>                  else
>>> -                {
>>> -                    final_timeout = TimeValue::Now();
>>> -                    final_timeout.OffsetWithMicroSeconds
>>> (all_threads_timeout_usec);
>>> -                    timeout_ptr = &final_timeout;
>>> -                }
>>> +                    timeout =
>>> std::chrono::microseconds(all_threads_timeout_usec);
>>>              }
>>>
>>>              do_resume = true;
>>> @@ -5589,11 +5547,15 @@ Process::RunThreadPlan(ExecutionContext
>>>
>>>              if (log)
>>>              {
>>> -                if (timeout_ptr)
>>> +                if (timeout.count())
>>>                  {
>>> -                    log->Printf ("Process::RunThreadPlan(): about to
>>> wait - now is %" PRIu64 " - endpoint is %" PRIu64,
>>> -
>>>  TimeValue::Now().GetAsMicroSecondsSinceJan1_1970(),
>>> -
>>>  timeout_ptr->GetAsMicroSecondsSinceJan1_1970());
>>> +                    log->Printf(
>>> +                        "Process::RunThreadPlan(): about to wait - now
>>> is %llu - endpoint is %llu",
>>> +                        static_cast<unsigned long
>>> long>(std::chrono::system_clock::now().time_since_epoch().count()),
>>> +                        static_cast<unsigned long long>(
>>> +
>>> std::chrono::time_point<std::chrono::system_clock,
>>> std::chrono::microseconds>(timeout)
>>> +                                .time_since_epoch()
>>> +                                .count()));
>>>                  }
>>>                  else
>>>                  {
>>> @@ -5611,7 +5573,7 @@ Process::RunThreadPlan(ExecutionContext
>>>              }
>>>              else
>>>  #endif
>>> -            got_event = listener_sp->WaitForEvent (timeout_ptr,
>>> event_sp);
>>> +                got_event = listener_sp->WaitForEvent(timeout,
>>> event_sp);
>>>
>>>              if (got_event)
>>>              {
>>> @@ -5810,10 +5772,7 @@ Process::RunThreadPlan(ExecutionContext
>>>                          if (log)
>>>                              log->PutCString ("Process::RunThreadPlan():
>>> Halt succeeded.");
>>>
>>> -                        real_timeout = TimeValue::Now();
>>> -                        real_timeout.OffsetWithMicroSeconds(500000);
>>> -
>>> -                        got_event =
>>> listener_sp->WaitForEvent(&real_timeout, event_sp);
>>> +                        got_event =
>>> listener_sp->WaitForEvent(std::chrono::microseconds(500000), event_sp);
>>>
>>>                          if (got_event)
>>>                          {
>>>
>>> Modified: lldb/trunk/source/Target/Target.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Target/Target.cpp?rev=277011&r1=277010&r2=277011&view=diff
>>>
>>> ==============================================================================
>>> --- lldb/trunk/source/Target/Target.cpp (original)
>>> +++ lldb/trunk/source/Target/Target.cpp Thu Jul 28 12:32:20 2016
>>> @@ -3103,8 +3103,9 @@ Target::Launch (ProcessLaunchInfo &launc
>>>                  m_process_sp->HijackProcessEvents(hijack_listener_sp);
>>>              }
>>>
>>> -            StateType state =
>>> m_process_sp->WaitForProcessToStop(nullptr, nullptr, false,
>>> hijack_listener_sp, nullptr);
>>> -
>>> +            StateType state =
>>> m_process_sp->WaitForProcessToStop(std::chrono::microseconds(0), nullptr,
>>> false,
>>> +
>>>  hijack_listener_sp, nullptr);
>>> +
>>>              if (state == eStateStopped)
>>>              {
>>>                  if
>>> (!launch_info.GetFlags().Test(eLaunchFlagStopAtEntry))
>>> @@ -3114,7 +3115,8 @@ Target::Launch (ProcessLaunchInfo &launc
>>>                          error = m_process_sp->PrivateResume();
>>>                          if (error.Success())
>>>                          {
>>> -                            state =
>>> m_process_sp->WaitForProcessToStop(nullptr, nullptr, true,
>>> hijack_listener_sp, stream);
>>> +                            state =
>>> m_process_sp->WaitForProcessToStop(std::chrono::microseconds(0), nullptr,
>>> true,
>>> +
>>>  hijack_listener_sp, stream);
>>>                              const bool must_be_alive = false; //
>>> eStateExited is ok, so this must be false
>>>                              if (!StateIsStoppedState(state,
>>> must_be_alive))
>>>                              {
>>> @@ -3243,7 +3245,8 @@ Target::Attach (ProcessAttachInfo &attac
>>>          }
>>>          else
>>>          {
>>> -            state = process_sp->WaitForProcessToStop (nullptr, nullptr,
>>> false, attach_info.GetHijackListener(), stream);
>>> +            state =
>>> process_sp->WaitForProcessToStop(std::chrono::microseconds(0), nullptr,
>>> false,
>>> +
>>>  attach_info.GetHijackListener(), stream);
>>>              process_sp->RestoreProcessEvents ();
>>>
>>>              if (state != eStateStopped)
>>>
>>>
>>> _______________________________________________
>>> lldb-commits mailing list
>>> lldb-commits at lists.llvm.org
>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
>>>
>>
>>
>>
>> --
>> -Todd
>>
>
>
>
> --
> -Todd
>



-- 
-Todd
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