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[thirdparty/glibc.git] / nptl / tst-cancel6.c

/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.

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

#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>


static void *
tf (void *arg)
{
  char buf[100];
  fgets (buf, sizeof (buf), arg);
  /* This call should never return.  */
  return NULL;
}


static int
do_test (void)
{
  int fd[2];
  if (pipe (fd) != 0)
    {
      puts ("pipe failed");
      return 1;
    }

  FILE *fp = fdopen (fd[0], "r");
  if (fp == NULL)
    {
      puts ("fdopen failed");
      return 1;
    }

  pthread_t th;
  if (pthread_create (&th, NULL, tf, fp) != 0)
    {
      puts ("pthread_create failed");
      return 1;
    }

  sleep (1);

  if (pthread_cancel (th) != 0)
    {
      puts ("pthread_cancel failed");
      return 1;
    }

  void *r;
  if (pthread_join (th, &r) != 0)
    {
      puts ("pthread_join failed");
      return 1;
    }

  return r != PTHREAD_CANCELED;
}

#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"