about summary refs log tree commit diff
path: root/signal/tst-signal.c
blob: 586d15c7e9a975fd8ea534fa9dd7e462cad8b130 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int win = 0;

void
handler (sig)
     int sig;
{
  printf ("Received signal %d (%s).\n", sig, strsignal(sig));
  win = 1;
}

int
main (void)
{
  if (signal (SIGTERM, handler) == SIG_ERR)
    {
      perror ("signal: SIGTERM");
      exit (EXIT_FAILURE);
    }

  puts ("Set handler.");

  printf ("Sending myself signal %d.\n", SIGTERM);
  fflush (stdout);

  if (raise (SIGTERM) < 0)
    {
      perror ("raise: SIGTERM");
      exit (EXIT_FAILURE);
    }

  if (!win)
    {
      puts ("Didn't get any signal.  Test FAILED!");
      exit (EXIT_FAILURE);
    }

  puts ("Got a signal.  Test succeeded.");
  exit (EXIT_SUCCESS);
}