641 	int signr;  in dequeue_signal()  local
647 	signr = __dequeue_signal(&tsk->pending, mask, info, &resched_timer);  in dequeue_signal()
648 	if (!signr) {  in dequeue_signal()
650 		signr = __dequeue_signal(&tsk->signal->shared_pending,  in dequeue_signal()
666 		if (unlikely(signr == SIGALRM)) {  in dequeue_signal()
680 	if (!signr)  in dequeue_signal()
683 	if (unlikely(sig_kernel_stop(signr))) {  in dequeue_signal()
714 	return signr;  in dequeue_signal()
1269 static void print_fatal_signal(int signr)  in print_fatal_signal()  argument
1272 	pr_info("potentially unexpected fatal signal %d.\n", signr);  in print_fatal_signal()
2356 static int ptrace_do_notify(int signr, int exit_code, int why, unsigned long message)  in ptrace_do_notify()  argument
2361 	info.si_signo = signr;  in ptrace_do_notify()
2372 	int signr;  in ptrace_notify()  local
2379 	signr = ptrace_do_notify(SIGTRAP, exit_code, CLD_TRAPPED, message);  in ptrace_notify()
2381 	return signr;  in ptrace_notify()
2406 static bool do_signal_stop(int signr)  in do_signal_stop()  argument
2416 		WARN_ON_ONCE(signr & ~JOBCTL_STOP_SIGMASK);  in do_signal_stop()
2442 			sig->group_exit_code = signr;  in do_signal_stop()
2446 		if (task_set_jobctl_pending(current, signr | gstop))  in do_signal_stop()
2457 			    task_set_jobctl_pending(t, signr | gstop)) {  in do_signal_stop()
2529 	int signr = current->jobctl & JOBCTL_STOP_SIGMASK;  in do_jobctl_trap()  local
2534 			signr = SIGTRAP;  in do_jobctl_trap()
2535 		WARN_ON_ONCE(!signr);  in do_jobctl_trap()
2536 		ptrace_do_notify(signr, signr | (PTRACE_EVENT_STOP << 8),  in do_jobctl_trap()
2539 		WARN_ON_ONCE(!signr);  in do_jobctl_trap()
2540 		ptrace_stop(signr, CLD_STOPPED, 0, NULL);  in do_jobctl_trap()
2581 static int ptrace_signal(int signr, kernel_siginfo_t *info, enum pid_type type)  in ptrace_signal()  argument
2593 	signr = ptrace_stop(signr, CLD_TRAPPED, 0, info);  in ptrace_signal()
2596 	if (signr == 0)  in ptrace_signal()
2597 		return signr;  in ptrace_signal()
2605 	if (signr != info->si_signo) {  in ptrace_signal()
2607 		info->si_signo = signr;  in ptrace_signal()
2618 	if (sigismember(&current->blocked, signr) ||  in ptrace_signal()
2620 		send_signal_locked(signr, info, current, type);  in ptrace_signal()
2621 		signr = 0;  in ptrace_signal()
2624 	return signr;  in ptrace_signal()
2653 	int signr;  in get_signal()  local
2718 			ksig->info.si_signo = signr = SIGKILL;  in get_signal()
2758 		signr = dequeue_synchronous_signal(&ksig->info);  in get_signal()
2759 		if (!signr)  in get_signal()
2760 			signr = dequeue_signal(current, &current->blocked,  in get_signal()
2763 		if (!signr)  in get_signal()
2766 		if (unlikely(current->ptrace) && (signr != SIGKILL) &&  in get_signal()
2767 		    !(sighand->action[signr -1].sa.sa_flags & SA_IMMUTABLE)) {  in get_signal()
2768 			signr = ptrace_signal(signr, &ksig->info, type);  in get_signal()
2769 			if (!signr)  in get_signal()
2773 		ka = &sighand->action[signr-1];  in get_signal()
2776 		trace_signal_deliver(signr, &ksig->info, ka);  in get_signal()
2793 		if (sig_kernel_ignore(signr)) /* Default is nothing. */  in get_signal()
2807 				!sig_kernel_only(signr))  in get_signal()
2810 		if (sig_kernel_stop(signr)) {  in get_signal()
2821 			if (signr != SIGSTOP) {  in get_signal()
2854 		if (sig_kernel_coredump(signr)) {  in get_signal()
2885 	ksig->sig = signr;  in get_signal()