Cross Reference: /src/bin/sh/trap.c

Lines Matching defs:signo
132 trap_signame(int signo)
137 	if (signo == 0)
139 	p = signalname(signo);
142 	(void)snprintf(nbuf, sizeof nbuf, "%d", signo);
231 	int signo;
248 		for (signo = 0; signo < NSIG; signo++) {
249 			if (trap[signo] == NULL)
252 			ckfree(trap[signo]);
253 			trap[signo] = NULL;
254 			if (signo != 0)
255 				setsignal(signo, 0);
281 			for (count = 0, signo = 0 ; signo < NSIG ; signo++) {
282 				if (signo == SIGKILL || signo == SIGSTOP)
284 				if (trap[signo] == NULL) {
287 					out1fmt(" %s", trap_signame(signo));
304 		for (count = 0, signo = 0 ; signo < NSIG ; signo++)
305 			if (trap[signo] != NULL && trap[signo][0] == '\0') {
308 				out1fmt(" %s", trap_signame(signo));
325 		for (signo = 0 ; signo < NSIG ; signo++)
326 			if (trap[signo] != NULL && trap[signo][0] != '\0') {
328 				print_quoted(trap[signo]);
329 				out1fmt(" %s\n", trap_signame(signo));
361 		signo = signame_to_signum(*ap);
363 		if (signo < 0 || signo >= NSIG) {
379 				if (trap[signo] != NULL)
380 					out1fmt("%s\n", trap[signo]);
383 				if (trap[signo] == NULL)
386 					print_quoted(trap[signo]);
387 				out1fmt(" %s\n", trap_signame(signo));
392 		if ((signo == SIGKILL || signo == SIGSTOP) && action != NULL) {
417 		VTRACE(DBG_TRAP, ("trap for %d from %s%s%s to %s%s%s\n", signo,
418 			trap[signo] ? "'" : "", trap[signo] ? trap[signo] : "-",
419 			trap[signo] ? "'" : "", action ?  "'" : "",
422 		if (trap[signo])
423 			ckfree(trap[signo]);
425 		trap[signo] = action;
427 		if (signo != 0)
428 			setsignal(signo, 0);
499 setsignal(int signo, int vforked)
505 	if (traps_invalid || (t = trap[signo]) == NULL)
512 	VTRACE(DBG_TRAP, ("setsignal(%d%s) -> %d", signo,
515 		switch (signo) {
545 	if (signo == SIGCHLD)
550 	t = &sigmode[signo];
556 		if (!getsigaction(signo, &sigact)) {
582 			if ((mflag && (signo == SIGTSTP ||
583 			     signo == SIGTTIN || signo == SIGTTOU)) || iflag) {
602 	sig = signal(signo, sigact);
611 			(void)siginterrupt(signo, 1);
617 		(void)sigaddset(&ss, signo);
627 getsigaction(int signo, sig_t *sigact)
631 	if (sigaction(signo, (struct sigaction *)0, &sa) == -1)
642 ignoresig(int signo, int vforked)
644 	if (sigmode[signo] == 0)
645 		setsignal(signo, vforked);
647 	VTRACE(DBG_TRAP, ("ignoresig(%d%s)\n", signo, vforked ? ", VF" : ""));
648 	if (sigmode[signo] != S_IGN && sigmode[signo] != S_HARD_IGN) {
649 		signal(signo, SIG_IGN);
651 			sigmode[signo] = S_IGN;
698 onsig(int signo)
703 	    signo, pendingsigs, intpending ? " (SIGINT-pending)" : "",
704 	    signo, gotsig[signo]));
707 	signal(signo, onsig);
710 	if (signo == SIGINT && (traps_invalid || trap[SIGINT] == NULL)) {
723 	if (!traps_invalid && trap[signo] != NULL && trap[signo][0] != '\0' &&
724 	    signo != SIGCHLD) {
725 		gotsig[signo] = 1;
727 		if (iflag && signo == SIGINT) {
739 		    signo, gotsig[signo], pendingsigs,
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