Symbol: _thr_umtx_lock
lib/libthread_xu/thread/thr_private.h
496
_thr_umtx_lock((lck), (thrd)->tid, 1)
lib/libthread_xu/thread/thr_private.h
513
_thr_umtx_lock((lck), (thrd)->tid, 0)
lib/libthread_xu/thread/thr_private.h
527
_thr_umtx_lock((lck), (thrd)->tid, 1); \