48   pthread_mutex_t* mutex =  in MutexImpl()  local
70   errorcode = pthread_mutex_init(mutex, &attr);  in MutexImpl()
78   data_ = mutex;  in MutexImpl()
84   pthread_mutex_t* mutex = static_cast<pthread_mutex_t*>(data_);  in ~MutexImpl()  local
85   assert(mutex != 0);  in ~MutexImpl()
86   pthread_mutex_destroy(mutex);  in ~MutexImpl()
87   free(mutex);  in ~MutexImpl()
93   pthread_mutex_t* mutex = static_cast<pthread_mutex_t*>(data_);  in acquire()  local
94   assert(mutex != 0);  in acquire()
96   int errorcode = pthread_mutex_lock(mutex);  in acquire()
103   pthread_mutex_t* mutex = static_cast<pthread_mutex_t*>(data_);  in release()  local
104   assert(mutex != 0);  in release()
106   int errorcode = pthread_mutex_unlock(mutex);  in release()
113   pthread_mutex_t* mutex = static_cast<pthread_mutex_t*>(data_);  in tryacquire()  local
114   assert(mutex != 0);  in tryacquire()
116   int errorcode = pthread_mutex_trylock(mutex);  in tryacquire()