bsd/kern/kern_event.c

323 	if (kn->kn_status & KN_DROPPING)
344 	if ((kn->kn_status & (KN_DROPPING | KN_ATTACHING)) != 0) {
345 		kn->kn_status |= KN_USEWAIT;
346 		wait_queue_assert_wait((wait_queue_t)kq->kq_wqs, &kn->kn_status, THREAD_UNINT, 0);
372 		if ((kn->kn_status & KN_ATTACHING) != 0) {
373 			kn->kn_status &= ~KN_ATTACHING;
375 		if ((kn->kn_status & KN_USEWAIT) != 0) {
376 			kn->kn_status &= ~KN_USEWAIT;
377 			wait_queue_wakeup_all((wait_queue_t)kq->kq_wqs, &kn->kn_status, THREAD_AWAKENED);
380 	return ((kn->kn_status & KN_DROPPING) == 0);
402 	oktodrop = ((kn->kn_status & (KN_DROPPING | KN_ATTACHING)) == 0);
403 	kn->kn_status |= KN_DROPPING;
410 	kn->kn_status |= KN_USEWAIT;
411 	wait_queue_assert_wait((wait_queue_t)kq->kq_wqs, &kn->kn_status, THREAD_UNINT, 0);
427 		if ((kn->kn_status & KN_USEWAIT) != 0) {
428 			kn->kn_status &= ~KN_USEWAIT;
429 			wait_queue_wakeup_all((wait_queue_t)kq->kq_wqs, &kn->kn_status, THREAD_AWAKENED);
1597 			kn->kn_status = KN_ATTACHING;
1601 				kn->kn_status |= KN_DISABLED;
1627 				kn->kn_status |= KN_DROPPING;
1631 			} else if (kn->kn_status & KN_DROPPING) {
1642 			kn->kn_status &= ~KN_ATTACHING;
1656 			kn->kn_status |= KN_DISABLED;
1667 			kn->kn_status |= KN_DISABLED;
1669 			kn->kn_status &= ~KN_DISABLED;
1670 			if (kn->kn_status & KN_ACTIVE)
1712 	if ((kn->kn_status & KN_STAYQUEUED) == 0 && kn->kn_fop->f_event(kn, 0)) {
1766 	if ((kn->kn_status & KN_DISABLED) != 0) {
1773 		revalidate = ((kn->kn_status & KN_STAYQUEUED) != 0 ||
1799 					if (!(kn->kn_status & KN_ACTIVE)) {
1808 				} else if ((kn->kn_status & KN_STAYQUEUED) == 0) {
1847 			kn->kn_status |= KN_DISABLED;
2218 			if ((kn->kn_status & KN_STAYQUEUED) == 0) {
2487 	kn->kn_status &= ~KN_STAYQUEUED;
2609 	needswakeup = (kn->kn_status & KN_USEWAIT);
2614 		wait_queue_wakeup_all((wait_queue_t)kq->kq_wqs, &kn->kn_status, THREAD_AWAKENED);
2628 	kn->kn_status |= KN_ACTIVE;
2641 	kn->kn_status &= ~KN_ACTIVE;
2649 	if ((kn->kn_status & (KN_QUEUED | KN_STAYQUEUED)) == KN_STAYQUEUED ||
2650 	    (kn->kn_status & (KN_QUEUED | KN_STAYQUEUED | KN_DISABLED)) == 0) {
2655 		kn->kn_status |= KN_QUEUED;
2666 	if ((kn->kn_status & (KN_QUEUED | KN_STAYQUEUED)) == KN_QUEUED) {
2671 		kn->kn_status &= ~KN_QUEUED;
3013 	kn->kn_status |= KN_STAYQUEUED;