1 #include "tests.h"
2 #include <signal.h>
3 #include <stdio.h>
4 #include <unistd.h>
5 
6 void sig_print(const char *signame, const int pid, const int uid)
7 {
8 	printf("kill(%d, %s) = 0\n"
9 	       "--- %s {si_signo=%s, si_code=SI_USER, si_pid=%d"
10 	       ", si_uid=%d} ---\n",
11 	       pid, signame, signame, signame, pid, uid);
12 }
13 
14 static void
15 handler(int sig)
16 {
17 }
18 
19 int
20 main(void)
21 {
22 	int sig, pid = getpid(), uid = getuid();
23 	const struct sigaction act = { .sa_handler = handler };
24 	sigset_t mask;
25 	sigemptyset(&mask);
26 
27 	for (sig = 1; sig <= 31; sig++) {
28 		if (sig != SIGKILL && sig != SIGSTOP) {
29 			sigaction(sig, &act, NULL);
30 			sigaddset(&mask, sig);
31 		}
32 	}
33 	sigprocmask(SIG_UNBLOCK, &mask, NULL);
34 
35 	for (sig = 1; sig <= 31; sig++) {
36 		if (sig != SIGKILL && sig != SIGSTOP) {
37 			if (kill(pid, sig) != 0)
38 				perror_msg_and_fail("kill: %d", sig);
39 			sig_print(signal2name(sig), pid, uid);
40 		}
41 	}
42 
43 	puts("+++ exited with 0 +++");
44 	return 0;
45 }
46