summaryrefslogtreecommitdiff
path: root/lib/libc/arch/ns32k/sys/Ovfork.S
blob: 4ded9c2a3907cca4c0b8cd99373e3bd90e5c9596 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/* 
 * Copyright (c) 1992 Helsinki University of Technology
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * HELSINKI UNIVERSITY OF TECHNOLOGY ALLOWS FREE USE OF THIS SOFTWARE IN
 * ITS "AS IS" CONDITION. HELSINKI UNIVERSITY OF TECHNOLOGY DISCLAIMS ANY
 * LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE
 * USE OF THIS SOFTWARE.
 */

#include "SYS.h"

#if defined(SYSLIBC_SCCS)
	.text
	.asciz "$OpenBSD: Ovfork.S,v 1.2 1996/08/19 08:17:04 tholo Exp $"
#endif /* SYSLIBC_SCCS */

/* 
 * r0 = pid of child in parent / pid of parent in child
 * r1 = 0 in parent, 1 in child
 */
SYSCALL(vfork)
	cmpqd	0,r1
	beq	parent
	movqd	0,r0
parent:
	ret	0