bsd/kern/kern_event.c

227 static void filt_timertouch(struct knote *kn, struct kevent64_s *kev,
264 static void filt_usertouch(struct knote *kn, struct kevent64_s *kev,
1000 filt_timertouch(struct knote *kn, struct kevent64_s *kev, long type)
1011 		kn->kn_sdata = kev->data;
1012 		kn->kn_sfflags = kev->fflags;
1013 		kn->kn_ext[0] = kev->ext[0];
1014 		kn->kn_ext[1] = kev->ext[1];
1052 		*kev = kn->kn_kevent;
1053 		kev->ext[0] = 0;
1104 filt_usertouch(struct knote *kn, struct kevent64_s *kev, long type)
1109 		if (kev->fflags & NOTE_TRIGGER) {
1113 		ffctrl = kev->fflags & NOTE_FFCTRLMASK;
1114 		kev->fflags &= NOTE_FFLAGSMASK;
1119 			OSBitAndAtomic(kev->fflags, &kn->kn_sfflags);
1122 			OSBitOrAtomic(kev->fflags, &kn->kn_sfflags);
1125 			kn->kn_sfflags = kev->fflags;
1128 		kn->kn_sdata = kev->data;
1131 		*kev = kn->kn_kevent;
1132 		kev->fflags = (volatile UInt32)kn->kn_sfflags;
1133 		kev->data = kn->kn_sdata;
1469 	struct kevent64_s kev;
1520 		error = kevent_copyin(&changelist, &kev, p, iskev64);
1524 		kev.flags &= ~EV_SYSFLAGS;
1525 		error = kevent_register(kq, &kev, p);
1526 		if ((error || (kev.flags & EV_RECEIPT)) && nevents > 0) {
1527 			kev.flags = EV_ERROR;
1528 			kev.data = error;
1529 			error = kevent_copyout(&kev, &ueventlist, p, iskev64);
1634 kevent_register(struct kqueue *kq, struct kevent64_s *kev,
1644 	if (kev->filter < 0) {
1645 		if (kev->filter + EVFILT_SYSCOUNT < 0)
1647 		fops = sysfilt_ops[~kev->filter];	/* to 0-base index */
1654 		printf("unknown filter: %d\n", kev->filter);
1661 	if (fops->f_isfd && (error = fp_lookup(p, kev->ident, &fp, 1)) != 0) {
1668 		if (kev->ident < (u_int)fdp->fd_knlistsize) {
1669 			SLIST_FOREACH(kn, &fdp->fd_knlist[kev->ident], kn_link)
1671 				    kev->filter == kn->kn_filter)
1680 			    KN_HASH((u_long)kev->ident, fdp->fd_knhashmask)];
1682 				if (kev->ident == kn->kn_id &&
1684 				    kev->filter == kn->kn_filter)
1693 		if ((kev->flags & (EV_ADD|EV_DELETE)) == EV_ADD) {
1704 			kn->kn_sfflags = kev->fflags;
1705 			kn->kn_sdata = kev->data;
1706 			kev->fflags = 0;
1707 			kev->data = 0;
1708 			kn->kn_kevent = *kev;
1713 			if (kev->flags & EV_DISABLE)
1767 		if (kev->flags & EV_DELETE) {
1778 		if (kev->flags & EV_DISABLE) {
1781 		} else if (kev->flags & EV_ENABLE) {
1792 		kn->kn_kevent.udata = kev->udata;
1794 			kn->kn_sfflags = kev->fflags;
1795 			kn->kn_sdata = kev->data;
1816 			fops->f_touch(kn, kev, EVENT_REGISTER);
1835 		fp_drop(p, kev->ident, fp, 0);
1861 	struct kevent64_s kev;
1874 	 * Triggered events must fill in kev for the callback.
1906 					kn->kn_fop->f_touch(kn, &kev,
1930 						kev = kn->kn_kevent;
1944 			kev = kn->kn_kevent;
1997 	error = (callback)(kq, &kev, data);