mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-25 12:11:10 +00:00
69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/* Verify that the clone child stack is properly aligned.
|
|
Copyright (C) 2021-2023 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/>. */
|
|
|
|
#include <sched.h>
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <sys/wait.h>
|
|
#include <unistd.h>
|
|
#include <tst-stack-align.h>
|
|
#include <clone_internal.h>
|
|
#include <support/xunistd.h>
|
|
#include <support/check.h>
|
|
|
|
static int
|
|
f (void *arg)
|
|
{
|
|
puts ("in f");
|
|
|
|
return TEST_STACK_ALIGN () ? 1 : 0;
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
puts ("in main");
|
|
|
|
if (TEST_STACK_ALIGN ())
|
|
FAIL_EXIT1 ("stack alignment failed");
|
|
|
|
#ifdef __ia64__
|
|
# define STACK_SIZE 256 * 1024
|
|
#else
|
|
# define STACK_SIZE 128 * 1024
|
|
#endif
|
|
char st[STACK_SIZE] __attribute__ ((aligned));
|
|
struct clone_args clone_args =
|
|
{
|
|
.stack = (uintptr_t) st,
|
|
.stack_size = sizeof (st),
|
|
};
|
|
pid_t p = __clone_internal (&clone_args, f, 0);
|
|
TEST_VERIFY (p != -1);
|
|
|
|
int e;
|
|
xwaitpid (p, &e, __WCLONE);
|
|
TEST_VERIFY (WIFEXITED (e));
|
|
TEST_COMPARE (WEXITSTATUS (e), 0);
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|