121         ScopedLock(PtrRWMutex& m, bool write = true) : mMutex(nullptr) {  in ScopedLock()  argument
123             acquire(m);  in ScopedLock()
136         void acquire(PtrRWMutex& m) {  in acquire()  argument
139             mMutex = &m;  in acquire()
144         bool tryAcquire(PtrRWMutex& m, bool write = true) {  in tryAcquire()  argument
145             bool succeed = write ? m.tryLock() : m.tryLockShared();  in tryAcquire()
147                 mMutex = &m;  in tryAcquire()
156             PtrRWMutex* m = mMutex;  in clear()  local
158             m->clear();  in clear()
164             PtrRWMutex* m = mMutex;  in release()  local
168                 m->unlock();  in release()
171                 m->unlockShared();  in release()