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/*
* Copyright (C) 2010-2012 Free Software Foundation, Inc.
* Copyright (C) 2014 Red Hat
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* The GnuTLS 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.
*
* This 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 this program. If not, see <https://www.gnu.org/licenses/>
*
*/
#include <config.h>
#include "gnutls_int.h"
#include "errors.h"
#include <sys/socket.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <atfork.h>
unsigned int _gnutls_forkid = 0;
#ifndef _WIN32
# ifdef HAVE_ATFORK
static void fork_handler(void)
{
_gnutls_forkid++;
}
# endif
# if defined(HAVE___REGISTER_ATFORK)
extern int __register_atfork(void (*)(void), void(*)(void), void (*)(void), void *);
extern void *__dso_handle;
int _gnutls_register_fork_handler(void)
{
if (__register_atfork(NULL, NULL, fork_handler, __dso_handle) != 0)
return gnutls_assert_val(GNUTLS_E_INTERNAL_ERROR);
return 0;
}
# else
unsigned int _gnutls_get_forkid(void)
{
return getpid();
}
int _gnutls_detect_fork(unsigned int forkid)
{
if ((unsigned int)getpid() == forkid)
return 0;
return 1;
}
/* we have to detect fork manually */
int _gnutls_register_fork_handler(void)
{
_gnutls_forkid = getpid();
return 0;
}
# endif
#endif /* !_WIN32 */
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