USE_NATIVE_THREAD_PRIORITY   50 thread.c       #ifndef USE_NATIVE_THREAD_PRIORITY
USE_NATIVE_THREAD_PRIORITY 2102 thread.c       #if USE_NATIVE_THREAD_PRIORITY
USE_NATIVE_THREAD_PRIORITY  522 thread_pthread.c #if USE_NATIVE_THREAD_PRIORITY
USE_NATIVE_THREAD_PRIORITY  503 thread_win32.c #if USE_NATIVE_THREAD_PRIORITY