kernel/kernelland_emu/lock.cpp

199 	// enqueue in waiter list
200 	rw_lock_waiter waiter;
201 	waiter.thread = get_current_thread();
202 	waiter.next = NULL;
203 	waiter.writer = writer;
206 		lock->waiters->last->next = &waiter;
208 		lock->waiters = &waiter;
210 	lock->waiters->last = &waiter;
230 	rw_lock_waiter* waiter = lock->waiters;
231 	if (waiter == NULL || lock->holder > 0)
235 	if (waiter->writer) {
240 		lock->waiters = waiter->next;
242 			lock->waiters->last = waiter->last;
244 		lock->holder = get_thread_id(waiter->thread);
247 		_kern_unblock_thread(get_thread_id(waiter->thread), B_OK);
248 		waiter->thread = NULL;
256 		lock->waiters = waiter->next;
258 			lock->waiters->last = waiter->last;
263 		_kern_unblock_thread(get_thread_id(waiter->thread), B_OK);
264 		waiter->thread = NULL;
265 	} while ((waiter = lock->waiters) != NULL && !waiter->writer);
324 	while (rw_lock_waiter* waiter = lock->waiters) {
326 		lock->waiters = waiter->next;
329 		_kern_unblock_thread(get_thread_id(waiter->thread), B_ERROR);
400 	// enqueue in waiter list
401 	rw_lock_waiter waiter;
402 	waiter.thread = get_current_thread();
403 	waiter.next = NULL;
404 	waiter.writer = false;
407 		lock->waiters->last->next = &waiter;
409 		lock->waiters = &waiter;
411 	lock->waiters->last = &waiter;
424 	if (error == B_OK || waiter.thread == NULL) {
430 	// We failed to get the lock -- dequeue from waiter list.
433 	while (other != &waiter) {
440 		lock->waiters = waiter.next;
442 			lock->waiters->last = waiter.last;
445 		previous->next = waiter.next;
446 		if (lock->waiters->last == &waiter)
632 	while (mutex_waiter* waiter = lock->waiters) {
634 		lock->waiters = waiter->next;
637 		_kern_unblock_thread(get_thread_id(waiter->thread), B_ERROR);
702 	// enqueue in waiter list
703 	mutex_waiter waiter;
704 	waiter.thread = get_current_thread();
705 	waiter.next = NULL;
708 		lock->waiters->last->next = &waiter;
710 		lock->waiters = &waiter;
712 	lock->waiters->last = &waiter;
726 		lock->holder = get_thread_id(waiter.thread);
753 	mutex_waiter* waiter = lock->waiters;
754 	if (waiter != NULL) {
755 		// dequeue the first waiter
756 		lock->waiters = waiter->next;
758 			lock->waiters->last = waiter->last;
761 		_kern_unblock_thread(get_thread_id(waiter->thread), B_OK);
768 		lock->holder = get_thread_id(waiter->thread);