1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* Copyright (c) 1988 AT&T */ 23/* All Rights Reserved */ 24 25/* 26 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 27 * Use is subject to license terms. 28 */ 29 30#pragma ident "%Z%%M% %I% %E% SMI" 31 32 .file "%M%" 33 34#include "SYS.h" 35 36/* 37 * pid = __forkx(flags); 38 * 39 * syscall trap: forksys(0, flags) 40 * 41 * From the syscall: 42 * %o1 == 0 in parent process, %o1 == 1 in child process. 43 * %o0 == pid of child in parent, %o0 == pid of parent in child. 44 * 45 * The child gets a zero return value. 46 * The parent gets the pid of the child. 47 */ 48 49 ENTRY(__forkx) 50 mov %o0, %o1 51 clr %o0 52 SYSTRAP_2RVALS(forksys) 53 SYSCERROR 54 movrnz %o1, 0, %o0 55 RET 56 SET_SIZE(__forkx) 57