]>
Commit | Line | Data |
---|---|---|
d614a753 | 1 | /* Copyright (C) 2003-2020 Free Software Foundation, Inc. |
dfdd294a UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. | |
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 | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
dfdd294a UD |
18 | |
19 | #include <pthread.h> | |
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
825adeee | 22 | #include <dso_handle.h> |
dfdd294a UD |
23 | |
24 | ||
25 | extern int val; | |
26 | ||
27 | ||
28 | static void | |
29 | prepare (void) | |
30 | { | |
31 | ++val; | |
32 | } | |
33 | ||
34 | static void | |
35 | parent (void) | |
36 | { | |
37 | val *= 4; | |
38 | } | |
39 | ||
40 | static void | |
41 | child (void) | |
42 | { | |
43 | val *= 8; | |
44 | } | |
45 | ||
46 | static void | |
47 | __attribute__ ((constructor)) | |
48 | init (void) | |
49 | { | |
dfdd294a UD |
50 | printf ("dsohandle = %p\n", __dso_handle); |
51 | ||
52 | if (pthread_atfork (prepare, parent, child) != 0) | |
53 | { | |
54 | puts ("init: atfork failed"); | |
55 | exit (1); | |
56 | } | |
57 | } |