/* 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 <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <unistd.h>

static char *p;

static pthread_barrier_t b;

#define BT \

  e = pthread_barrier_wait (&b);					      \

  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)			      \

    {									      \

      puts ("barrier_wait failed");					      \

      exit (1);								      \

    }

static void *

tf (void *a)

{

  int e;

  BT;

  char *p2 = getcwd (NULL, 0);

  if (p2 == NULL)

    {

      puts ("2nd getcwd failed");

      exit (1);

    }

  if (strcmp (p, p2) != 0)

    {

      printf ("initial cwd mismatch: \"%s\" vs \"%s\"\n", p, p2);

      exit (1);

    }

  free (p);

  free (p2);

  if (chdir ("..") != 0)

    {

      puts ("chdir failed");

      exit (1);

    }

  p = getcwd (NULL, 0);

  if (p == NULL)

    {

      puts ("getcwd failed");

      exit (1);

    }

  return a;

}

int

do_test (void)

{

  if (pthread_barrier_init (&b, NULL, 2) != 0)

    {

      puts ("barrier_init failed");

      exit (1);

    }

  pthread_t th;

  if (pthread_create (&th, NULL, tf, NULL) != 0)

    {

      puts ("create failed");

      exit (1);

    }

  p = getcwd (NULL, 0);

  if (p == NULL)

    {

      puts ("getcwd failed");

      exit (1);

    }

  int e;

  BT;

  if (pthread_join (th, NULL) != 0)

    {

      puts ("join failed");

      exit (1);

    }

  char *p2 = getcwd (NULL, 0);

  if (p2 == NULL)

    {

      puts ("2nd getcwd failed");

      exit (1);

    }

  if (strcmp (p, p2) != 0)

    {

      printf ("cwd after chdir mismatch: \"%s\" vs \"%s\"\n", p, p2);

      exit (1);

    }

  free (p);

  free (p2);

  return 0;

}

#define TEST_FUNCTION do_test ()

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