/* Test signals.

   Copyright (C) 2000-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   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, see

   <http://www.gnu.org/licenses/>.  */

#define _GNU_SOURCE

#include <pthread.h>

#include <unistd.h>

#include <stdio.h>

#include <errno.h>

#include <error.h>

#include <assert.h>

#include <sys/resource.h>

#include <sys/wait.h>

void *

thr (void *arg)

{

  *(int *) 0 = 0;

  return 0;

}

int foobar;

int

main (int argc, char *argv[])

{

  error_t err;

  pid_t child;

  struct rlimit limit;

  limit.rlim_cur = 0;

  limit.rlim_max = 0;

  err = setrlimit (RLIMIT_CORE, &limit);

  if (err)

    error (1, err, "setrlimit");

  child = fork ();

  switch (child)

    {

    case -1:

      error (1, errno, "fork");

      break;

    case 0:

      {

	pthread_t tid;

	void *ret;

	err = pthread_create (&tid, 0, thr, 0);

	if (err)

	  error (1, err, "pthread_create");

	err = pthread_join (tid, &ret;;

	assert_perror (err);

	/* Should have never returned.  Our parent expects us to fail

	   thus we succeed and indicate the error.  */

	return 0;

      }

    default:

      {

	pid_t pid;

	int status;

	pid = waitpid (child, &status, 0);

	printf ("pid = %d; child = %d; status = %d\n", pid, child, status);

	assert (pid == child);

	assert (status != 0);

      }

    }

  return 0;

}