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[thirdparty/glibc.git] / nptl / tst-eintr3.c

/* Copyright (C) 2003-2019 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
   <https://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <support/check.h>
#include <support/xthread.h>

#include "eintr.c"


static void *
tf (void *arg)
{
  pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
  xpthread_mutex_lock (&m);
  /* This call must not return.  */
  xpthread_mutex_lock (&m);

  puts ("tf: mutex_lock returned");
  exit (1);
}


static int
do_test (void)
{
  pthread_t self = pthread_self ();

  setup_eintr (SIGUSR1, &self);

  pthread_t th = xpthread_create (NULL, tf, NULL);

  delayed_exit (1);
  /* This call must never return.  */
  xpthread_join (th);
  puts ("error: pthread_join returned");
  return 1;
}

#include <support/test-driver.c>