2 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
3 * Licensed under the GPL
6 #include "linux/file.h"
9 #include "linux/sched.h"
10 #include "linux/utsname.h"
11 #include "linux/syscalls.h"
12 #include "asm/current.h"
14 #include "asm/uaccess.h"
15 #include "asm/unistd.h"
22 current->thread.forking = 1;
23 ret = do_fork(SIGCHLD, UPT_SP(¤t->thread.regs.regs),
24 ¤t->thread.regs, 0, NULL, NULL);
25 current->thread.forking = 0;
33 current->thread.forking = 1;
34 ret = do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD,
35 UPT_SP(¤t->thread.regs.regs),
36 ¤t->thread.regs, 0, NULL, NULL);
37 current->thread.forking = 0;
41 long old_mmap(unsigned long addr, unsigned long len,
42 unsigned long prot, unsigned long flags,
43 unsigned long fd, unsigned long offset)
46 if (offset & ~PAGE_MASK)
49 err = sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
54 long sys_uname(struct old_utsname __user * name)
60 err = copy_to_user(name, utsname(), sizeof (*name));
65 long sys_olduname(struct oldold_utsname __user * name)
71 if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname)))
76 error = __copy_to_user(&name->sysname, &utsname()->sysname,
78 error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
79 error |= __copy_to_user(&name->nodename, &utsname()->nodename,
81 error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
82 error |= __copy_to_user(&name->release, &utsname()->release,
84 error |= __put_user(0, name->release + __OLD_UTS_LEN);
85 error |= __copy_to_user(&name->version, &utsname()->version,
87 error |= __put_user(0, name->version + __OLD_UTS_LEN);
88 error |= __copy_to_user(&name->machine, &utsname()->machine,
90 error |= __put_user(0, name->machine + __OLD_UTS_LEN);
94 error = error ? -EFAULT : 0;
99 int kernel_execve(const char *filename, char *const argv[], char *const envp[])
106 ret = um_execve((char *)filename, (char __user *__user *)argv,
107 (char __user *__user *) envp);