[lldb-dev] SBThread::IsStopped() always returns false on Linux

[Vince Harron]

Thread states are broken across all platforms except maybe FreeBSD
On Jun 5, 2015 3:06 PM, "Pavel Labath" <labath at google.com> wrote:

> Hi,
>
> thanks for the feedback. We are tracking this problem, and we
> currently have some tests XFAILed because of this (I don't think the
> issue is linux-specific). As a workaround for now, I think you can
> assume all threads are stopped if process state is eStateStopped.
>
> cheers,
> pl
>
>
> On 5 June 2015 at 14:43, Eugene Birukov <eugenebi at hotmail.com> wrote:
> > OOPS, on server I tried wrong class, that's why the method is not here.
> > Still, client inspects local m_state to make the call, and it is
> "unloaded"
> > in cases I inspected.
> >
> > ________________________________
> > From: eugenebi at hotmail.com
> > To: lldb-dev at cs.uiuc.edu
> > Date: Fri, 5 Jun 2015 14:28:22 -0700
> > Subject: [lldb-dev] SBThread::IsStopped() always returns false on Linux
> >
> >
> > Hi,
> >
> > I am running lldb-4.7 that I built from sources on Linux Ubuntu 14.04.
> >
> > I am using C++ API to debug my program. The program runs into different
> > events: breakpoints I set, signals. But all threads always
> returnIsStopped()
> > as false in any program state. I traced this call and it seems that the
> > thread state is eStateUnloaded. The only place I found that changes
> thread
> > state in Thread.cpp is this method:
> >
> > void
> > Thread::SetState(StateType state)
> > {
> >     Mutex::Locker locker(m_state_mutex);
> >     m_state = state;
> > }
> >
> >
> > So, I put breakpoint there and it is never hit. I tried to put similar
> > breakpoint in lldb-server, but it seems that the method is not present
> here:
> >
> > (gdb) b lldb_private::Target::SetS
> > SetSectionLoadAddress(std::shared_ptr<lldb_private::Section> const&,
> > unsigned long, bool)
> > SetSectionUnloaded(std::shared_ptr<lldb_private::Section> const&)
> > SetSectionUnloaded(std::shared_ptr<lldb_private::Section> const&,
> unsigned
> > long)
> > SetStopHookActiveStateByID(unsigned long, bool)
> > (gdb) b lldb_private::Target::SetState
> > Function "lldb_private::Target::SetState" not defined.
> > Make breakpoint pending on future shared library load? (y or [n])
> >
> >
> > So far, this seems broken to me.
> >
> > Thanks,
> > Eugene
> >
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> >
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