summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/i386/vfork.S
blob: 543da6e90d012700c2d0886b3d00dc8caf766b82 (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
/*
 * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
 *
 * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 */

#include <sys/syscall.h>

#ifndef __NR_vfork
/* No vfork so use fork instead */
# define __NR_vfork __NR_fork
#endif

.text
.global __vfork
.hidden __vfork
.type   __vfork,%function
.align 1<<4

__vfork:
	popl %ecx
	movl $__NR_vfork,%eax
	int $0x80
	pushl %ecx
	cmpl $-4095,%eax
	jae __syscall_error
	ret

.size __vfork,.-__vfork

weak_alias(__vfork,vfork)
libc_hidden_weak(vfork)