| /* Copyright (C) 2003 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <pthread.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| |
| extern int val; |
| |
| |
| static void |
| prepare (void) |
| { |
| ++val; |
| } |
| |
| static void |
| parent (void) |
| { |
| val *= 4; |
| } |
| |
| static void |
| child (void) |
| { |
| val *= 8; |
| } |
| |
| static void |
| __attribute__ ((constructor)) |
| init (void) |
| { |
| extern void *__dso_handle; |
| printf ("dsohandle = %p\n", __dso_handle); |
| |
| if (pthread_atfork (prepare, parent, child) != 0) |
| { |
| puts ("init: atfork failed"); |
| exit (1); |
| } |
| } |