1/* $OpenBSD: Ovfork.S,v 1.4 1999/01/06 06:10:13 d Exp $ */ 2/* $NetBSD: Ovfork.S,v 1.1 1995/02/10 17:50:29 cgd Exp $ */ 3 4/* 5 * Copyright (c) 1994, 1995 Carnegie-Mellon University. 6 * All rights reserved. 7 * 8 * Author: Chris G. Demetriou 9 * 10 * Permission to use, copy, modify and distribute this software and 11 * its documentation is hereby granted, provided that both the copyright 12 * notice and this permission notice appear in all copies of the 13 * software, derivative works or modified versions, and any portions 14 * thereof, and that both notices appear in supporting documentation. 15 * 16 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 17 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 18 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 19 * 20 * Carnegie Mellon requests users of this software to return to 21 * 22 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 23 * School of Computer Science 24 * Carnegie Mellon University 25 * Pittsburgh PA 15213-3890 26 * 27 * any improvements or extensions that they make and grant Carnegie the 28 * rights to redistribute these changes. 29 */ 30 31#include "SYS.h" 32 33#if defined(SYSLIBC_SCCS) 34 .text 35 .asciz "$OpenBSD: Ovfork.S,v 1.4 1999/01/06 06:10:13 d Exp $" 36#endif /* SYSLIBC_SCCS */ 37 38SYSCALL(vfork) 39 cmovne a4, zero, v0 /* a4 (rv[1]) != 0, child */ 40 RET 41SYSEND(vfork) 42