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/*
23 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27	.file	"forkallx.s"
28
29#include "SYS.h"
30
31/*
32 * pid = __forkallx(flags);
33 *
34 * syscall trap: forksys(1, flags)
35 *
36 * From the syscall:
37 * %edx == 0 in parent process, %edx = 1 in child process.
38 * %eax == pid of child in parent, %eax == pid of parent in child.
39 *
40 * The child gets a zero return value.
41 * The parent gets the pid of the child.
42 */
43
44	ENTRY(__forkallx)
45	popl	%ecx
46	pushl	$1
47	pushl	%ecx
48	SYSTRAP_2RVALS(forksys)
49	popl	%ecx
50	movl	%ecx, 0(%esp)
51	SYSCERROR
52	testl	%edx, %edx
53	jz	1f		/* jump if parent */
54	xorl	%eax, %eax	/* child, return (0) */
551:
56	RET
57	SET_SIZE(__forkallx)
58