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
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#include <linux/file.h>
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/utsname.h>
#include <linux/syscalls.h>
#include <asm/current.h>
#include <asm/mman.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
long sys_fork(void)
{
return do_fork(SIGCHLD, 0,
¤t->thread.regs, 0, NULL, NULL);
}
long sys_vfork(void)
{
return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, 0,
¤t->thread.regs, 0, NULL, NULL);
}
long sys_clone(unsigned long clone_flags, unsigned long newsp,
void __user *parent_tid, void __user *child_tid)
{
return do_fork(clone_flags, newsp, ¤t->thread.regs, 0, parent_tid,
child_tid);
}
long old_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long offset)
{
long err = -EINVAL;
if (offset & ~PAGE_MASK)
goto out;
err = sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
out:
return err;
}
|
