mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-24 22:10:13 +00:00
76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
/* Support file for atexit/exit, etc. race tests (BZ #27749).
|
|
Copyright (C) 2023 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
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/>. */
|
|
|
|
/* Check that atexit handler registered from another handler still called. */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <support/check.h>
|
|
#include <support/xunistd.h>
|
|
#include <sys/wait.h>
|
|
#include <unistd.h>
|
|
|
|
static void
|
|
atexit_cb (void)
|
|
{
|
|
}
|
|
|
|
static void
|
|
atexit_last (void)
|
|
{
|
|
_exit (1);
|
|
}
|
|
|
|
static void
|
|
atexit_recursive (void)
|
|
{
|
|
atexit (&atexit_cb);
|
|
atexit (&atexit_last);
|
|
}
|
|
|
|
_Noreturn static void
|
|
test_and_exit (int count)
|
|
{
|
|
for (int i = 0; i < count; ++i)
|
|
atexit (&atexit_cb);
|
|
atexit (&atexit_recursive);
|
|
exit (0);
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
for (int i = 0; i < 100; ++i)
|
|
if (xfork () == 0)
|
|
test_and_exit (i);
|
|
|
|
for (int i = 0; i < 100; ++i)
|
|
{
|
|
int status;
|
|
xwaitpid (0, &status, 0);
|
|
if (!WIFEXITED (status))
|
|
FAIL_EXIT1 ("Failed iterations %d", i);
|
|
TEST_COMPARE (WEXITSTATUS (status), 1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test
|
|
#include <support/test-driver.c>
|