Lines Matching refs:_sem
48 Lock(Semaphore &sem) : _sem(&sem), _rw_lock(NULL)50 _sem->acquire();54 _sem(NULL), _rw_lock(&rw_lock)61 if (_sem) {62 _sem->release();71 Semaphore *_sem;78 TryLock(Semaphore &sem, bool &is_locked) : _sem(&sem)80 _locked = _sem->acquireTry();87 _sem->release();93 Semaphore *_sem;