#include "ansidecl.h"
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#ifndef __USE_GNU
#ifdef atarist
#include <siglist.h>
#define strsignal(s) signal_names[(s)]
#else
#define strsignal(s) ("signal FOO")
#endif
#endif

#ifndef __USE_GNU
#ifdef sun
#define raise(X) kill(getpid(), X)
#endif
#endif

int win = 0;

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

int
DEFUN_VOID(main)
{
  if (signal(SIGINT, handler) == SIG_ERR)
    {
      perror("signal: SIGINT");
      return(EXIT_FAILURE);
    }

  puts("Set handler.");

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

  if (raise(SIGINT) < 0)
    {
      perror("raise: SIGINT");
      return(EXIT_FAILURE);
    }

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

  puts("Got a signal.");
  return(EXIT_SUCCESS);
}