glibc/sysdeps/htl/pt-atfork.c

34 lines
1.2 KiB
C

/* Register fork handlers. Generic version.
Copyright (C) 2002-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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, see
<https://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <pt-internal.h>
#include <fork.h>
/* This is defined by newer gcc version unique for each module. */
extern void *__dso_handle __attribute__ ((__weak__, __visibility__ ("hidden")));
int
pthread_atfork (void (*prepare) (void),
void (*parent) (void),
void (*child) (void))
{
return __register_atfork (prepare, parent, child,
&__dso_handle == NULL ? NULL : __dso_handle);
}