186 		semaphore->wait();  in wait()
191 		return semaphore->tryWait();  in tryWait()
196 		semaphore->signal();  in signal()
202 		if(semaphore)  in unmapRegion()
204 			if(semaphore->deref())  in unmapRegion()
206 				semaphore->~SharedSemaphore();  in unmapRegion()
208 			memfd.unmap(semaphore, sw::memoryPageSize());  in unmapRegion()
210 			semaphore = nullptr;  in unmapRegion()
224 		semaphore = reinterpret_cast<SharedSemaphore *>(addr);  in mapRegion()
227 			new(semaphore) SharedSemaphore(initialValue);  in mapRegion()
231 			semaphore->addRef();  in mapRegion()
237 	SharedSemaphore *semaphore = nullptr;  member in vk::OpaqueFdExternalSemaphore