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/*
* 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.
*/
.file "forkx.s"
#include "SYS.h"
/*
* pid = __forkx(flags);
*
* syscall trap: forksys(0, 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(__forkx)
popl %ecx
pushl $0
pushl %ecx
SYSTRAP_2RVALS(forksys)
popl %ecx
movl %ecx, 0(%esp)
SYSCERROR
testl %edx, %edx
jz 1f /* jump if parent */
xorl %eax, %eax /* child, return (0) */
1:
RET
SET_SIZE(__forkx)
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