112 umtx_lock(UMutex *mutex) {  in umtx_lock()  argument
113     if (mutex == NULL) {  in umtx_lock()
114         mutex = &globalMutex;  in umtx_lock()
116     CRITICAL_SECTION *cs = &mutex->fCS;  in umtx_lock()
117     umtx_initOnce(mutex->fInitOnce, winMutexInit, cs);  in umtx_lock()
122 umtx_unlock(UMutex* mutex)  in umtx_unlock()  argument
124     if (mutex == NULL) {  in umtx_unlock()
125         mutex = &globalMutex;  in umtx_unlock()
127     LeaveCriticalSection(&mutex->fCS);  in umtx_unlock()
153 umtx_condWait(UConditionVar *condition, UMutex *mutex) {  in umtx_condWait()  argument
170     umtx_unlock(mutex);  in umtx_condWait()
172     umtx_lock(mutex);  in umtx_condWait()
180         umtx_unlock(mutex);  in umtx_condWait()
182         umtx_lock(mutex);  in umtx_condWait()
202 umtx_lock(UMutex *mutex) {  in umtx_lock()  argument
203     if (mutex == NULL) {  in umtx_lock()
204         mutex = &globalMutex;  in umtx_lock()
206     int sysErr = pthread_mutex_lock(&mutex->fMutex);  in umtx_lock()
213 umtx_unlock(UMutex* mutex)  in umtx_unlock()  argument
215     if (mutex == NULL) {  in umtx_unlock()
216         mutex = &globalMutex;  in umtx_unlock()
218     int sysErr = pthread_mutex_unlock(&mutex->fMutex);  in umtx_unlock()
225 umtx_condWait(UConditionVar *cond, UMutex *mutex) {  in umtx_condWait()  argument
226     if (mutex == NULL) {  in umtx_condWait()
227         mutex = &globalMutex;  in umtx_condWait()
229     int sysErr = pthread_cond_wait(&cond->fCondition, &mutex->fMutex);  in umtx_condWait()