| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 2002, 2006 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. |
| 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 | In addition to the permissions in the GNU Lesser General Public |
| 11 | License, the Free Software Foundation gives you unlimited |
| 12 | permission to link the compiled version of this file with other |
| 13 | programs, and to distribute those programs without any restriction |
| 14 | coming from the use of this file. (The GNU Lesser General Public |
| 15 | License restrictions do apply in other respects; for example, they |
| 16 | cover modification of the file, and distribution when not linked |
| 17 | into another program.) |
| 18 | |
| 19 | Note that people who make modified versions of this file are not |
| 20 | obligated to grant this special exception for their modified |
| 21 | versions; it is their choice whether to do so. The GNU Lesser |
| 22 | General Public License gives permission to release a modified |
| 23 | version without this exception; this exception also makes it |
| 24 | possible to release a modified version which carries forward this |
| 25 | exception. |
| 26 | |
| 27 | The GNU C Library is distributed in the hope that it will be useful, |
| 28 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 29 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 30 | Lesser General Public License for more details. |
| 31 | |
| 32 | You should have received a copy of the GNU Lesser General Public |
| 33 | License along with the GNU C Library; if not, write to the Free |
| 34 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 35 | 02111-1307 USA. */ |
| 36 | |
| 37 | #include "pthreadP.h" |
| 38 | #include <fork.h> |
| 39 | |
| 40 | /* This is defined by newer gcc version unique for each module. */ |
| 41 | extern void *__dso_handle __attribute__ ((__weak__)); |
| 42 | //,__visibility__ ("hidden"))); |
| 43 | |
| 44 | |
| 45 | /* Hide the symbol so that no definition but the one locally in the |
| 46 | executable or DSO is used. */ |
| 47 | int |
| 48 | __pthread_atfork ( |
| 49 | void (*prepare) (void), |
| 50 | void (*parent) (void), |
| 51 | void (*child) (void)) |
| 52 | { |
| 53 | return __register_atfork (prepare, parent, child, |
| 54 | &__dso_handle == NULL ? NULL : __dso_handle); |
| 55 | } |
| 56 | strong_alias (__pthread_atfork, pthread_atfork) |