2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/*
2N/A * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A .file "forkx.s"
2N/A
2N/A#include "SYS.h"
2N/A
2N/A/*
2N/A * pid = __forkx(flags);
2N/A *
2N/A * syscall trap: forksys(0, flags)
2N/A *
2N/A * From the syscall:
2N/A * %edx == 0 in parent process, %edx = 1 in child process.
2N/A * %eax == pid of child in parent, %eax == pid of parent in child.
2N/A *
2N/A * The child gets a zero return value.
2N/A * The parent gets the pid of the child.
2N/A */
2N/A
2N/A ENTRY(__forkx)
2N/A movl %edi, %esi
2N/A xorl %edi, %edi
2N/A SYSTRAP_2RVALS(forksys)
2N/A SYSCERROR
2N/A testl %edx, %edx
2N/A jz 1f /* jump if parent */
2N/A xorl %eax, %eax /* child, return (0) */
2N/A1:
2N/A RET
2N/A SET_SIZE(__forkx)