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026a9174 PA |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
e2882c85 | 3 | Copyright 2016-2018 Free Software Foundation, Inc. |
026a9174 PA |
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 | ||
19 | #define _GNU_SOURCE | |
20 | #include <sched.h> | |
21 | #include <assert.h> | |
22 | #include <stdlib.h> | |
23 | #include <sys/types.h> | |
24 | #include <sys/wait.h> | |
25 | #include <unistd.h> | |
26 | ||
27 | #define STACK_SIZE 0x1000 | |
28 | ||
29 | int clone_pid; | |
30 | ||
31 | static int | |
32 | clone_fn (void *unused) | |
33 | { | |
34 | /* Wait for alarm. */ | |
35 | while (1) | |
36 | sleep (1); | |
37 | return 0; | |
38 | } | |
39 | ||
40 | int | |
41 | main (int argc, char **argv) | |
42 | { | |
43 | unsigned char *stack; | |
44 | int res; | |
45 | ||
46 | alarm (300); | |
47 | ||
48 | stack = malloc (STACK_SIZE); | |
49 | assert (stack != NULL); | |
50 | ||
51 | #define CLONE_FLAGS (CLONE_THREAD | CLONE_SIGHAND | CLONE_VM) | |
52 | ||
53 | #ifdef __ia64__ | |
54 | clone_pid = __clone2 (clone_fn, stack, STACK_SIZE, CLONE_FLAGS, NULL); | |
55 | #else | |
56 | clone_pid = clone (clone_fn, stack + STACK_SIZE, CLONE_FLAGS, NULL); | |
57 | #endif | |
58 | ||
59 | assert (clone_pid > 0); | |
60 | ||
61 | /* Wait for alarm. */ | |
62 | while (1) | |
63 | sleep (1); | |
64 | ||
65 | return 0; | |
66 | } |