/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" .file "%M%" #include "SYS.h" /* * pid = __forkallx(flags); * * syscall trap: forksys(1, flags) * * From the syscall: * %edx == 0 in parent process, %edx = 1 in child process. * %eax == pid of child in parent, %eax == pid of parent in child. * * The child gets a zero return value. * The parent gets the pid of the child. */ ENTRY(__forkallx) movl %edi, %esi movl $1, %edi SYSTRAP_2RVALS(forksys) SYSCERROR testl %edx, %edx jz 1f /* jump if parent */ xorl %eax, %eax /* child, return (0) */ 1: RET SET_SIZE(__forkallx)