/*      $OpenBSD: w_vfork.c,v 1.1 2016/05/07 19:05:22 guenther Exp $ */
/*
 * Copyright (c) 2015 Philip Guenther <guenther@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <tib.h>
#include <unistd.h>
#include "thread_private.h"

pid_t
WRAP(vfork)(void)
{
        pid_t newid;

        if (_thread_cb.tc_vfork != NULL)
                return (_thread_cb.tc_vfork());
        newid = vfork();
        if (newid == 0)
                TIB_GET()->tib_tid = getthrid();
        return newid;
}
DEF_WRAP(vfork);