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/* Copyright (C) 2002-2020 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 <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/wait.h>
static int val;
static void
prepare1 (void)
{
val *= 2;
}
static void
prepare2 (void)
{
++val;
}
static void
parent1 (void)
{
val += 4;
}
static void
parent2 (void)
{
val *= 4;
}
static void
child1 (void)
{
val += 8;
}
static void
child2 (void)
{
val *= 8;
}
static int
do_test (void)
{
pid_t pid;
int status = 0;
if (pthread_atfork (prepare1, parent1, child1) != 0)
{
puts ("1st atfork failed");
exit (1);
}
if (pthread_atfork (prepare2, parent2, child2) != 0)
{
puts ("2nd atfork failed");
exit (1);
}
pid = fork ();
if (pid == -1)
{
puts ("fork failed");
exit (1);
}
if (pid != 0)
{
/* Parent. */
if (val != 24)
{
printf ("expected val=%d, got %d\n", 24, val);
exit (1);
}
if (TEMP_FAILURE_RETRY (waitpid (pid, &status, 0)) != pid)
{
puts ("waitpid failed");
exit (1);
}
}
else
{
/* Child. */
if (val != 80)
{
printf ("expected val=%d, got %d\n", 80, val);
exit (2);
}
}
return status;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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