/* $Id$ */
/* Copyright (C) 2003 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <errno.h>
#include <error.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>

volatile int count;

void
sh (int sig)
{
  ++count;
}

int
main (void)
{
  struct sigaction sa;
  sa.sa_handler = sh;
  sigemptyset (&sa.sa_mask);
  sa.sa_flags = SA_RESETHAND;
  sigaction (SIGCHLD, NULL, NULL);
  if (sigaction (SIGCHLD, &sa, NULL) < 0)
    {
      printf ("sigaction set failed: %m\n");
      exit (1);
    }
  if (raise (SIGCHLD) < 0)
    {
      printf ("first raise failed: %m\n");
      exit (1);
    }
  if (raise (SIGCHLD) < 0)
    {
      printf ("second raise failed: %m\n");
      exit (1);
    }
  if (count != 1)
    {
      printf ("signal handler not called 1 times\n");
      exit (1);
    }
  if (sigaction (SIGCHLD, NULL, &sa) < 0)
    {
      printf ("sigaction get failed: %m\n");
      exit (1);
    }
  if (sa.sa_handler != SIG_DFL)
    {
      printf ("sigaction retrieved sa_handler: %p\n", sa.sa_handler);
      exit (1);
    }
  /* `SA_RESTORER' gets set on `glibc-2.3.4-2.25.i686'
     but not on `glibc-2.5-7.i686'.  */
#ifndef SA_RESTORER
#define SA_RESTORER 0x04000000
#endif
  if ((sa.sa_flags & ~SA_RESTORER) != SA_RESETHAND)
    {
      printf ("sigaction retrieved sa_flags: 0x%x\n", sa.sa_flags);
      exit (1);
    }
  exit (0);
}