1/* Test for proper error/errno handling in clone.
2 Copyright (C) 2006-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19/* BZ #2386 */
20#include <errno.h>
21#include <stdio.h>
22#include <stdlib.h>
23#include <unistd.h>
24#include <sched.h>
25
26#ifdef __ia64__
27extern int __clone2 (int (*__fn) (void *__arg), void *__child_stack_base,
28 size_t __child_stack_size, int __flags, void *__arg, ...);
29#endif
30
31int child_fn(void *arg)
32{
33 puts (s: "FAIL: in child_fn(); should not be here");
34 exit(1);
35}
36
37static int
38do_test (void)
39{
40 int result;
41
42#ifdef __ia64__
43 result = __clone2 (child_fn, NULL, 0, 0, NULL, NULL, NULL);
44#else
45 result = clone (fn: child_fn, NULL, flags: 0, NULL);
46#endif
47
48 if (errno != EINVAL || result != -1)
49 {
50 printf (format: "FAIL: clone()=%d (wanted -1) errno=%d (wanted %d)\n",
51 result, errno, EINVAL);
52 return 1;
53 }
54
55 puts (s: "All OK");
56 return 0;
57}
58
59#define TEST_FUNCTION do_test ()
60#include "../test-skeleton.c"
61

source code of glibc/sysdeps/unix/sysv/linux/tst-clone.c