| 1 |  |  | /*	$OpenBSD: w_vfork.c,v 1.1 2016/05/07 19:05:22 guenther Exp $ */ | 
    
    | 2 |  |  | /* | 
    
    | 3 |  |  |  * Copyright (c) 2015 Philip Guenther <guenther@openbsd.org> | 
    
    | 4 |  |  |  * | 
    
    | 5 |  |  |  * Permission to use, copy, modify, and distribute this software for any | 
    
    | 6 |  |  |  * purpose with or without fee is hereby granted, provided that the above | 
    
    | 7 |  |  |  * copyright notice and this permission notice appear in all copies. | 
    
    | 8 |  |  |  * | 
    
    | 9 |  |  |  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | 
    
    | 10 |  |  |  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | 
    
    | 11 |  |  |  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | 
    
    | 12 |  |  |  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | 
    
    | 13 |  |  |  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | 
    
    | 14 |  |  |  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | 
    
    | 15 |  |  |  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | 
    
    | 16 |  |  |  */ | 
    
    | 17 |  |  |  | 
    
    | 18 |  |  | #include <tib.h> | 
    
    | 19 |  |  | #include <unistd.h> | 
    
    | 20 |  |  | #include "thread_private.h" | 
    
    | 21 |  |  |  | 
    
    | 22 |  |  | pid_t | 
    
    | 23 |  |  | WRAP(vfork)(void) | 
    
    | 24 |  |  | { | 
    
    | 25 |  |  | 	pid_t newid; | 
    
    | 26 |  |  |  | 
    
    | 27 |  |  | 	if (_thread_cb.tc_vfork != NULL) | 
    
    | 28 |  |  | 		return (_thread_cb.tc_vfork()); | 
    
    | 29 |  |  | 	newid = vfork(); | 
    
    | 30 |  |  | 	if (newid == 0) | 
    
    | 31 |  |  | 		TIB_GET()->tib_tid = getthrid(); | 
    
    | 32 |  |  | 	return newid; | 
    
    | 33 |  |  | } | 
    
    | 34 |  |  | DEF_WRAP(vfork); |