signum             41 usr/lib/posix/signal/sigaction.c sigaction(int signum, const struct sigaction *act, struct sigaction *oact)
signum             45 usr/lib/posix/signal/sigaction.c 	if (signum <= 0 || signum >= NSIG ||
signum             46 usr/lib/posix/signal/sigaction.c 	    signum == SIGSTOP || signum == SIGKILL) {
signum             53 usr/lib/posix/signal/sigaction.c 	sa = &__sig_act[signum];
signum             63 usr/lib/posix/signal/sigaction.c 	    (sa->sa_handler == SIG_DFL && signum == SIGCHLD))
signum             64 usr/lib/posix/signal/sigaction.c 		__sig_pending &= ~sigmask(signum);