473 			   int outfd, int errfd, int kmsgfd, int sigfd,  in monitor_output()  argument
501 	if (sigfd > nfds)  in monitor_output()
502 		nfds = sigfd;  in monitor_output()
530 	while (outfd >= 0 || errfd >= 0 || sigfd >= 0) {  in monitor_output()
540 		if (sigfd >= 0)  in monitor_output()
541 			FD_SET(sigfd, &set);  in monitor_output()
724 		if (sigfd >= 0 && FD_ISSET(sigfd, &set)) {  in monitor_output()
727 			s = read(sigfd, &siginfo, sizeof(siginfo));  in monitor_output()
780 			sigfd = -1; /* we are dying, no signal handling for now */  in monitor_output()
910 			      int sigfd, sigset_t *sigmask)  in execute_next_entry()  argument
1001 	result = monitor_output(child, outfd, errfd, kmsgfd, sigfd,  in execute_next_entry()
1246 static bool should_die_because_signal(int sigfd)  in should_die_because_signal()  argument
1250 	struct pollfd sigpoll = { .fd = sigfd, .events = POLLIN | POLLRDBAND };  in should_die_because_signal()
1260 		ret = read(sigfd, &siginfo, sizeof(siginfo));  in should_die_because_signal()
1287 	int sigfd;  in execute()  local
1337 	sigfd = signalfd(-1, &sigmask, O_CLOEXEC);  in execute()
1340 	if (sigfd < 0) {  in execute()
1382 		if (should_die_because_signal(sigfd)) {  in execute()
1393 					    sigfd, &sigmask);  in execute()
1429 			if (should_die_because_signal(sigfd)) {  in execute()
1433 			close(sigfd);  in execute()
1450 	if (should_die_because_signal(sigfd))  in execute()
1453 	close(sigfd);  in execute()