/* Copyright (C) 2003-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@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, see

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

#include <pthread.h>

#include <signal.h>

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

static int nrunning = 1;

static void

final_test (void)

{

  puts ("final_test has been called");

#define THE_SIGNAL SIGUSR1

  kill (getpid (), SIGUSR1);

}

static void *

tf (void *a)

{

  if (pthread_join ((pthread_t) a, NULL) != 0)

    {

      printf ("join failed while %d are running\n", nrunning);

      _exit (1);

    }

  printf ("%2d left\n", --nrunning);

  return NULL;

}

int

do_test (void)

{

#define N 20

  pthread_t t[N];

  pthread_t last = pthread_self ();

  int i;

  atexit (final_test);

  printf ("starting %d + 1 threads\n", N);

  for (i = 0; i < N; ++i)

    {

      if (pthread_create (&t[i], NULL, tf, (void *) last) != 0)

	{

	  puts ("create failed");

	  _exit (1);

	}

      ++nrunning;

      last = t[i];

    }

  printf ("%2d left\n", --nrunning);

  pthread_exit (NULL);

}

#define EXPECTED_SIGNAL THE_SIGNAL

#define TEST_FUNCTION do_test ()

#include "../test-skeleton.c"