P4 to Git Change 1551367 by lmoriche@lmoriche_opencl_dev2 on 2018/05/07 18:40:02

SWDEV-145570 - [HIP] - Fix a race condition in the CommandQueue::Thread destruction.

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/os/os_posix.cpp#44 edit
... //depot/stg/opencl/drivers/opencl/runtime/platform/commandqueue.cpp#26 edit

rocclr/runtime/os/os_posix.cpp

@@ -390,7 +390,9 @@ void* Thread::entry(Thread* thread) {
   return thread->main();
 }
 
-bool Os::isThreadAlive(const Thread& thread) { return true; }
+bool Os::isThreadAlive(const Thread& thread) {
+  return ::pthread_kill((pthread_t)thread.handle(), 0) == 0;
+}
 
 const void* Os::createOsThread(amd::Thread* thread) {
   pthread_attr_t threadAttr;