Symbol: __thr_umutex_set_ceiling
lib/libthr/thread/thr_mutex.c
1049
ret = __thr_umutex_set_ceiling(&m->m_lock, ceiling, old_ceiling);
lib/libthr/thread/thr_umtx.h
48
int __thr_umutex_set_ceiling(struct umutex *mtx, uint32_t ceiling,