[Lldb-commits] [lldb] r200951 - Lock the JIT before using it.

[Sean Callanan]

Author: spyffe
Date: Thu Feb  6 16:25:20 2014
New Revision: 200951

URL: http://llvm.org/viewvc/llvm-project?rev=200951&view=rev
Log:
Lock the JIT before using it.

<rdar://problem/15958296>

Modified:
    lldb/trunk/source/Expression/IRExecutionUnit.cpp

Modified: lldb/trunk/source/Expression/IRExecutionUnit.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Expression/IRExecutionUnit.cpp?rev=200951&r1=200950&r2=200951&view=diff
==============================================================================
--- lldb/trunk/source/Expression/IRExecutionUnit.cpp (original)
+++ lldb/trunk/source/Expression/IRExecutionUnit.cpp Thu Feb  6 16:25:20 2014
@@ -238,6 +238,8 @@ IRExecutionUnit::GetRunnableInfo(Error &
 {
     lldb::ProcessSP process_sp(GetProcessWP().lock());
     
+    static Mutex s_runnable_info_mutex(Mutex::Type::eMutexTypeRecursive);
+    
     func_addr = LLDB_INVALID_ADDRESS;
     func_end = LLDB_INVALID_ADDRESS;
     
@@ -256,6 +258,8 @@ IRExecutionUnit::GetRunnableInfo(Error &
         return;
     };
     
+    Mutex::Locker runnable_info_mutex_locker(s_runnable_info_mutex);
+    
     m_did_jit = true;
     
     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));