25     pthread_mutex_t mMutex;
28         pthread_mutex_init(&mMutex, NULL);  in Mutex()
31         pthread_mutex_destroy(&mMutex);  in ~Mutex()
34         return pthread_mutex_trylock(&mMutex);  in tryLock()
37         return pthread_mutex_lock(&mMutex);  in lock()
40         pthread_mutex_unlock(&mMutex);  in unlock()
48     pthread_mutex_t mMutex;  variable
52         pthread_mutex_init(&mMutex, NULL);  in Condition()
57         pthread_mutex_destroy(&mMutex);  in ~Condition()
61         return pthread_cond_wait(&mCondition, &mMutex);  in wait()
81         return pthread_cond_timedwait(&mCondition, &mMutex, &abstime);  in wait()