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568035b7 | 1 | /* Copyright (C) 2003-2013 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 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
dfdd294a UD |
18 | |
19 | #include <pthread.h> | |
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | ||
23 | ||
24 | extern int val; | |
25 | ||
26 | ||
27 | static void | |
28 | prepare (void) | |
29 | { | |
30 | ++val; | |
31 | } | |
32 | ||
33 | static void | |
34 | parent (void) | |
35 | { | |
36 | val *= 4; | |
37 | } | |
38 | ||
39 | static void | |
40 | child (void) | |
41 | { | |
42 | val *= 8; | |
43 | } | |
44 | ||
45 | static void | |
46 | __attribute__ ((constructor)) | |
47 | init (void) | |
48 | { | |
49 | extern void *__dso_handle; | |
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 | } |