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); 35