posix/pthread/pthread_rwlock.cpp

47 	uint32_t	flags;
53 		flags = RWLOCK_FLAG_SHARED;
67 	status_t ReadLock(uint32 flags, bigtime_t timeout)
69 		return acquire_sem_etc(sem, 1, flags, timeout);
72 	status_t WriteLock(uint32 flags, bigtime_t timeout)
75 			flags, timeout);
93 	uint32_t	flags;
106 		flags = 0;
148 	status_t ReadLock(uint32 flags, bigtime_t timeout)
157 		return _Wait(false, flags, timeout);
160 	status_t WriteLock(uint32 flags, bigtime_t timeout)
170 		return _Wait(true, flags, timeout);
189 	status_t _Wait(bool writer, uint32 flags, bigtime_t timeout)
206 		status_t error = _kern_block_thread(flags, timeout);
302 	bool shared = attr != NULL && (attr->flags & RWLOCK_FLAG_SHARED) != 0;
314 	if ((lock->flags & RWLOCK_FLAG_SHARED) != 0)
324 	if ((lock->flags & RWLOCK_FLAG_SHARED) != 0)
335 	if ((lock->flags & RWLOCK_FLAG_SHARED) != 0)
350 	uint32 flags = 0;
354 				flags = B_ABSOLUTE_REAL_TIME_TIMEOUT;
357 				flags = B_ABSOLUTE_TIMEOUT;
365 	if ((lock->flags & RWLOCK_FLAG_SHARED) != 0)
366 		error = ((SharedRWLock*)lock)->ReadLock(flags, timeout);
368 		error = ((LocalRWLock*)lock)->ReadLock(flags, timeout);
385 	if ((lock->flags & RWLOCK_FLAG_SHARED) != 0)
396 	if ((lock->flags & RWLOCK_FLAG_SHARED) != 0)
411 	uint32 flags = 0;
415 				flags = B_ABSOLUTE_REAL_TIME_TIMEOUT;
418 				flags = B_ABSOLUTE_TIMEOUT;
426 	if ((lock->flags & RWLOCK_FLAG_SHARED) != 0)
427 		error = ((SharedRWLock*)lock)->WriteLock(flags, timeout);
429 		error = ((LocalRWLock*)lock)->WriteLock(flags, timeout);
446 	if ((lock->flags & RWLOCK_FLAG_SHARED) != 0)
464 	attr->flags = 0;
486 	*shared = (attr->flags & RWLOCK_FLAG_SHARED) != 0
498 		attr->flags |= RWLOCK_FLAG_SHARED;
500 		attr->flags &= ~RWLOCK_FLAG_SHARED;