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
