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4719d415 YQ |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
b811d2c2 | 3 | Copyright 2016-2020 Free Software Foundation, Inc. |
4719d415 YQ |
4 | |
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program 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 | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #define _GNU_SOURCE | |
19 | #include <stdlib.h> | |
20 | #include <unistd.h> | |
21 | #include <sched.h> | |
22 | ||
23 | static void | |
24 | marker () | |
25 | {} | |
26 | ||
27 | #define STACK_SIZE 0x1000 | |
28 | ||
29 | static int | |
30 | clone_fn (void *unused) | |
31 | { | |
32 | return 0; | |
33 | } | |
34 | ||
35 | int | |
36 | main (void) | |
37 | { | |
38 | int i, pid; | |
39 | unsigned char *stack[6]; | |
40 | ||
41 | for (i = 0; i < (sizeof (stack) / sizeof (stack[0])); i++) | |
42 | stack[i] = malloc (STACK_SIZE); | |
43 | ||
44 | for (i = 0; i < (sizeof (stack) / sizeof (stack[0])); i++) | |
45 | { | |
46 | pid = clone (clone_fn, stack[i] + STACK_SIZE, CLONE_FILES | CLONE_VM, | |
47 | NULL); | |
48 | } | |
49 | ||
50 | for (i = 0; i < (sizeof (stack) / sizeof (stack[0])); i++) | |
51 | free (stack[i]); | |
52 | ||
53 | marker (); | |
54 | } |