103 static int	kqueue_register(struct kqueue *kq, struct kevent *kev,
167 static void	filt_timertouch(struct knote *kn, struct kevent *kev,
174 static void	filt_usertouch(struct knote *kn, struct kevent *kev,
533 	struct kevent kev;  in knote_fork()  local
541 	memset(&kev, 0, sizeof(kev));  in knote_fork()
579 		kev.ident = pid;  in knote_fork()
580 		kev.filter = kn->kn_filter;  in knote_fork()
581 		kev.flags = kn->kn_flags | EV_ADD | EV_ENABLE | EV_ONESHOT |  in knote_fork()
583 		kev.fflags = kn->kn_sfflags;  in knote_fork()
584 		kev.data = kn->kn_id;		/* parent */  in knote_fork()
585 		kev.udata = kn->kn_kevent.udata;/* preserve udata */  in knote_fork()
586 		error = kqueue_register(kq, &kev, NULL, M_NOWAIT);  in knote_fork()
594 		kev.ident = pid;  in knote_fork()
595 		kev.filter = kn->kn_filter;  in knote_fork()
596 		kev.flags = kn->kn_flags | EV_ADD | EV_ENABLE | EV_FLAG1;  in knote_fork()
597 		kev.fflags = kn->kn_sfflags;  in knote_fork()
598 		kev.data = kn->kn_id;		/* parent */  in knote_fork()
599 		kev.udata = kn->kn_kevent.udata;/* preserve udata */  in knote_fork()
600 		error = kqueue_register(kq, &kev, NULL, M_NOWAIT);  in knote_fork()
891 filt_timertouch(struct knote *kn, struct kevent *kev, u_long type)  in filt_timertouch()  argument
901 		if (kev->flags & EV_ADD) {  in filt_timertouch()
932 			kn->kn_sfflags = kev->fflags;  in filt_timertouch()
933 			kn->kn_sdata = kev->data;  in filt_timertouch()
944 		*kev = kn->kn_kevent;  in filt_timertouch()
996 filt_usertouch(struct knote *kn, struct kevent *kev, u_long type)  in filt_usertouch()  argument
1002 		if (kev->fflags & NOTE_TRIGGER)  in filt_usertouch()
1005 		ffctrl = kev->fflags & NOTE_FFCTRLMASK;  in filt_usertouch()
1006 		kev->fflags &= NOTE_FFLAGSMASK;  in filt_usertouch()
1012 			kn->kn_sfflags &= kev->fflags;  in filt_usertouch()
1016 			kn->kn_sfflags |= kev->fflags;  in filt_usertouch()
1020 			kn->kn_sfflags = kev->fflags;  in filt_usertouch()
1027 		kn->kn_sdata = kev->data;  in filt_usertouch()
1028 		if (kev->flags & EV_CLEAR) {  in filt_usertouch()
1036 		*kev = kn->kn_kevent;  in filt_usertouch()
1037 		kev->fflags = kn->kn_sfflags;  in filt_usertouch()
1038 		kev->data = kn->kn_sdata;  in filt_usertouch()
1490 kqueue_register(struct kqueue *kq, struct kevent *kev, struct thread *td,  in kqueue_register()  argument
1500 	if ((kev->flags & (EV_ENABLE | EV_DISABLE)) == (EV_ENABLE | EV_DISABLE))  in kqueue_register()
1510 	filt = kev->filter;  in kqueue_register()
1515 	if (kev->flags & EV_ADD) {  in kqueue_register()
1517 		if (kev->flags & EV_KEEPUDATA) {  in kqueue_register()
1536 		if (kev->ident > INT_MAX)  in kqueue_register()
1539 			error = fget(td, kev->ident, &cap_event_rights, &fp);  in kqueue_register()
1543 		if ((kev->flags & EV_ADD) == EV_ADD && kqueue_expand(kq, fops,  in kqueue_register()
1544 		    kev->ident, M_NOWAIT) != 0) {  in kqueue_register()
1548 			error = kqueue_expand(kq, fops, kev->ident, mflag);  in kqueue_register()
1578 		if (kev->ident < kq->kq_knlistsize) {  in kqueue_register()
1579 			SLIST_FOREACH(kn, &kq->kq_knlist[kev->ident], kn_link)  in kqueue_register()
1580 				if (kev->filter == kn->kn_filter)  in kqueue_register()
1584 		if ((kev->flags & EV_ADD) == EV_ADD) {  in kqueue_register()
1585 			error = kqueue_expand(kq, fops, kev->ident, mflag);  in kqueue_register()
1595 		if (kev->filter == EVFILT_PROC &&  in kqueue_register()
1596 		    (kev->flags & (EV_FLAG1 | EV_FLAG2)) != 0) {  in kqueue_register()
1606 			    KN_HASH((u_long)kev->ident, kq->kq_knhashmask)];  in kqueue_register()
1608 				if (kev->ident == kn->kn_id &&  in kqueue_register()
1609 				    kev->filter == kn->kn_filter)  in kqueue_register()
1634 		if (kev->flags & EV_ADD) {  in kqueue_register()
1652 			kn->kn_sfflags = kev->fflags;  in kqueue_register()
1653 			kn->kn_sdata = kev->data;  in kqueue_register()
1654 			kev->fflags = 0;  in kqueue_register()
1655 			kev->data = 0;  in kqueue_register()
1656 			kn->kn_kevent = *kev;  in kqueue_register()
1660 			if ((kev->flags & EV_DISABLE) != 0)  in kqueue_register()
1685 	if (kev->flags & EV_DELETE) {  in kqueue_register()
1692 	if (kev->flags & EV_FORCEONESHOT) {  in kqueue_register()
1697 	if ((kev->flags & EV_ENABLE) != 0)  in kqueue_register()
1699 	else if ((kev->flags & EV_DISABLE) != 0)  in kqueue_register()
1711 	if ((kev->flags & EV_KEEPUDATA) == 0)  in kqueue_register()
1712 		kn->kn_kevent.udata = kev->udata;  in kqueue_register()
1714 		fops->f_touch(kn, kev, EVENT_REGISTER);  in kqueue_register()
1716 		kn->kn_sfflags = kev->fflags;  in kqueue_register()
1717 		kn->kn_sdata = kev->data;  in kqueue_register()
2819 kqfd_register(int fd, struct kevent *kev, struct thread *td, int mflag)  in kqfd_register()  argument
2833 	error = kqueue_register(kq, kev, td, mflag);  in kqfd_register()