[Lldb-commits] [lldb] [lldb] Fix deadlock when scripted frame providers load on private state thread (PR #191913)

[Med Ismail Bennani via lldb-commits]

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@@ -1523,9 +1539,22 @@ StackFrameListSP Thread::GetStackFrameList() {
   if (m_curr_frames_sp)
     return m_curr_frames_sp;
 
+  // Case 2: current thread is a private state thread -- no provider loading.
+  // We use IsCurrentThreadPrivateState() (a thread_local flag set by
+  // RunPrivateStateThread) rather than CurrentThreadIsPrivateStateThread()
+  // because RunThreadPlan reassigns m_current_private_state_thread_sp to
+  // an override thread. The original private state thread -- which continues
+  // processing events inside RunThreadPlan -- would no longer be recognized
+  // by CurrentThreadIsPrivateStateThread().
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medismailben wrote:

I updated the comment to clarify.

https://github.com/llvm/llvm-project/pull/191913