signal/tst-signal.c

   1 #include <ansidecl.h>
   2 #include <signal.h>
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <string.h>
   6
   7 int win = 0;
   8
   9 void
  10 DEFUN(handler, (sig), int sig)
  11 {
  12   printf("Received signal %d (%s).\n", sig, strsignal(sig));
  13   win = 1;
  14 }
  15
  16 int
  17 DEFUN_VOID(main)
  18 {
  19   if (signal(SIGTERM, handler) == SIG_ERR)
  20     {
  21       perror("signal: SIGTERM");
  22       exit(EXIT_FAILURE);
  23     }
  24
  25   puts("Set handler.");
  26
  27   printf("Sending myself signal %d.\n", SIGTERM);
  28   fflush(stdout);
  29
  30   if (raise(SIGTERM) < 0)
  31     {
  32       perror("raise: SIGTERM");
  33       exit(EXIT_FAILURE);
  34     }
  35
  36   if (!win)
  37     {
  38       puts("Didn't get any signal.  Test FAILED!");
  39       exit(EXIT_FAILURE);
  40     }
  41
  42   puts("Got a signal.  Test succeeded.");
  43   exit(EXIT_SUCCESS);
  44 }