81 static void	filt_eventfddetach(struct knote *kn);
82 static int	filt_eventfdread(struct knote *kn, long hint);
83 static int	filt_eventfdwrite(struct knote *kn, long hint);
250 eventfd_kqfilter(struct file *fp, struct knote *kn)  in eventfd_kqfilter()  argument
255 	switch (kn->kn_filter) {  in eventfd_kqfilter()
257 		kn->kn_fop = &eventfd_rfiltops;  in eventfd_kqfilter()
260 		kn->kn_fop = &eventfd_wfiltops;  in eventfd_kqfilter()
267 	kn->kn_hook = efd;  in eventfd_kqfilter()
268 	knlist_add(&efd->efd_sel.si_note, kn, 1);  in eventfd_kqfilter()
275 filt_eventfddetach(struct knote *kn)  in filt_eventfddetach()  argument
277 	struct eventfd *efd = kn->kn_hook;  in filt_eventfddetach()
280 	knlist_remove(&efd->efd_sel.si_note, kn, 1);  in filt_eventfddetach()
285 filt_eventfdread(struct knote *kn, long hint)  in filt_eventfdread()  argument
287 	struct eventfd *efd = kn->kn_hook;  in filt_eventfdread()
291 	kn->kn_data = (int64_t)efd->efd_count;  in filt_eventfdread()
298 filt_eventfdwrite(struct knote *kn, long hint)  in filt_eventfdwrite()  argument
300 	struct eventfd *efd = kn->kn_hook;  in filt_eventfdwrite()
304 	kn->kn_data = (int64_t)(UINT64_MAX - 1 - efd->efd_count);  in filt_eventfdwrite()