bsd/kern/kern_sig.c

149 static int	filt_sigattach(struct knote *kn);
150 static void	filt_sigdetach(struct knote *kn);
151 static int	filt_signal(struct knote *kn, long hint);
152 static void	filt_signaltouch(struct knote *kn, struct kevent64_s *kev,
2778  * Attach a signal knote to the list of knotes for this process.
2780  * Signal knotes share the knote list with proc knotes.  This
2781  * could be avoided by using a signal-specific knote list, but
2786 filt_sigattach(struct knote *kn)
2803  * remove the knote from the process list, if it hasn't already
2808 filt_sigdetach(struct knote *kn)
2825  * hosting the EVFILT_SIGNAL knote and should never see NOTE_EXIT.
2828 filt_signal(struct knote *kn, long hint)
2844 filt_signaltouch(struct knote *kn, struct kevent64_s *kev, long type)