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[thirdparty/glibc.git] / nptl / tst-basic4.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 <unistd.h>
#include <sys/wait.h>


static void
final_test (void)
{
  puts ("final_test has been called");

#define THE_SIGNAL SIGUSR1
  kill (getpid (), SIGUSR1);
}


static void *
tf (void *a)
{
  pid_t pid = fork ();
  if (pid == -1)
    {
      puts ("fork failed");
      exit (1);
    }

  if (pid == 0)
    {
      atexit (final_test);

      pthread_exit (NULL);
    }

  int r;
  int e = TEMP_FAILURE_RETRY (waitpid (pid, &r, 0));
  if (e != pid)
    {
      puts ("waitpid failed");
      exit (1);
    }

  if (! WIFSIGNALED (r))
    {
      puts ("child not signled");
      exit (1);
    }

  if (WTERMSIG (r) != THE_SIGNAL)
    {
      puts ("child's termination signal wrong");
      exit (1);
    }

  return NULL;
}


int
do_test (void)
{
  pthread_t th;

  if (pthread_create (&th, NULL, tf, NULL) != 0)
    {
      puts ("create failed");
      _exit (1);
    }

  if (pthread_join (th, NULL) != 0)
    {
      puts ("join failed");
      exit (1);
    }

  return 0;
}

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