| #include <stdio.h> |
| #include <signal.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| |
| static int sigalrm_received = 0; |
| static void sigalrm_handler(int signr) |
| { |
| sigalrm_received++; |
| } |
| static int sigrtmin_received = 0; |
| static void sigrtmin_handler(int signr) |
| { |
| sigrtmin_received++; |
| } |
| |
| static int breakme = 0; |
| |
| int main (int argc, char *argv[]) |
| { |
| struct sigaction sa; |
| fprintf(stderr, "starting ...\n"); |
| sa.sa_handler = sigalrm_handler; |
| sigemptyset(&sa.sa_mask); |
| sa.sa_flags = 0; |
| |
| if (sigaction (SIGALRM, &sa, NULL) != 0) |
| perror("sigaction"); |
| if (kill(getpid(), SIGALRM) != 0) |
| perror("kill 1"); |
| |
| if (sigalrm_received == 1) |
| fprintf (stderr, "ok: 1st SIGALRM received\n"); |
| else |
| fprintf (stderr, "wrong 1st: unexpected value %d sigalrm_received\n", |
| sigalrm_received); |
| |
| if (kill(getpid(), SIGALRM) != 0) |
| perror("kill 2"); |
| |
| if (sigalrm_received == 2) |
| fprintf (stderr, "ok: 2nd SIGALRM received\n"); |
| else |
| fprintf (stderr, "wrong 2nd: unexpected value %d sigalrm_received\n", |
| sigalrm_received); |
| |
| system("../tests/true"); |
| breakme++; |
| |
| sa.sa_handler = sigrtmin_handler; |
| sigemptyset(&sa.sa_mask); |
| sa.sa_flags = 0; |
| |
| if (sigaction (SIGRTMIN, &sa, NULL) != 0) |
| perror("sigaction"); |
| if (kill(getpid(), SIGRTMIN) != 0) |
| perror("kill sigrtmin"); |
| if (sigrtmin_received == 1) |
| fprintf (stderr, "ok: SIGRTMIN received\n"); |
| else |
| fprintf (stderr, "wrong sigrtmin: unexpected value %d sigrtmin_received\n", |
| sigrtmin_received); |
| return 0; |
| } |