arch/i386/vfork.S

#
# usr/klibc/arch/i386/vfork.S
#
# vfork is nasty - there must be nothing at all on the stack above
# the stack frame of the enclosing function.
#

#include <asm/unistd.h>

        .text
        .align  4
	.globl	vfork
	.type	vfork, @function
vfork:
	popl	%edx			/* Return address */
	movl	$__NR_vfork, %eax
	int	$0x80
	pushl	%edx
	cmpl	$-4095, %eax
	jae	1f
	ret
1:
	negl	%eax
	movl	%eax, errno
	orl	$-1, %eax
	ret
1	#
2	# usr/klibc/arch/i386/vfork.S
3	#
4	# vfork is nasty - there must be nothing at all on the stack above
5	# the stack frame of the enclosing function.
6	#
7
8	#include <asm/unistd.h>
9
10	.text
11	.align 4
12	.globl vfork
13	.type vfork, @function
14	vfork:
15	popl %edx /* Return address */
16	movl $__NR_vfork, %eax
17	int $0x80
18	pushl %edx
19	cmpl $-4095, %eax
20	jae 1f
21	ret
22	1:
23	negl %eax
24	movl %eax, errno
25	orl $-1, %eax
26	ret