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__
27 extern int __clone2 (int (*__fn) (void *__arg), void *__child_stack_base,
28 size_t __child_stack_size, int __flags, void *__arg, ...);
29 #endif
30
child_fn(void * arg)31 int child_fn(void *arg)
32 {
33 puts ("FAIL: in child_fn(); should not be here");
34 exit(1);
35 }
36
37 static int
do_test(void)38 do_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 (child_fn, NULL, 0, NULL);
46 #endif
47
48 if (errno != EINVAL || result != -1)
49 {
50 printf ("FAIL: clone()=%d (wanted -1) errno=%d (wanted %d)\n",
51 result, errno, EINVAL);
52 return 1;
53 }
54
55 puts ("All OK");
56 return 0;
57 }
58
59 #define TEST_FUNCTION do_test ()
60 #include "../test-skeleton.c"
61