Make sure to try and take the process stop lock when calling:
uint32_t SBProcess::GetNumQueues();
SBQueue SBProcess::GetQueueAtIndex (size_t index);
Otherwise this code will run when the process is running and cause problems.
<rdar://problem/26482744>
llvm-svn: 270803
diff --git a/lldb/source/API/SBProcess.cpp b/lldb/source/API/SBProcess.cpp
index 1bf3d76..31c8c59 100644
--- a/lldb/source/API/SBProcess.cpp
+++ b/lldb/source/API/SBProcess.cpp
@@ -549,9 +549,11 @@
if (process_sp)
{
Process::StopLocker stop_locker;
-
- std::lock_guard<std::recursive_mutex> guard(process_sp->GetTarget().GetAPIMutex());
- num_queues = process_sp->GetQueueList().GetSize();
+ if (stop_locker.TryLock(&process_sp->GetRunLock()))
+ {
+ std::lock_guard<std::recursive_mutex> guard(process_sp->GetTarget().GetAPIMutex());
+ num_queues = process_sp->GetQueueList().GetSize();
+ }
}
if (log)
@@ -572,9 +574,12 @@
if (process_sp)
{
Process::StopLocker stop_locker;
- std::lock_guard<std::recursive_mutex> guard(process_sp->GetTarget().GetAPIMutex());
- queue_sp = process_sp->GetQueueList().GetQueueAtIndex(index);
- sb_queue.SetQueue (queue_sp);
+ if (stop_locker.TryLock(&process_sp->GetRunLock()))
+ {
+ std::lock_guard<std::recursive_mutex> guard(process_sp->GetTarget().GetAPIMutex());
+ queue_sp = process_sp->GetQueueList().GetQueueAtIndex(index);
+ sb_queue.SetQueue (queue_sp);
+ }
}
if (log)