/* * 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, UPT_SP(&current->thread.regs.regs),		      &current->thread.regs, 0, NULL, NULL);} long sys_vfork(void){	return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD,		      UPT_SP(&current->thread.regs.regs),		      &current->thread.regs, 0, NULL, NULL);} long sys_clone(unsigned long clone_flags, unsigned long newsp,	       void __user *parent_tid, void __user *child_tid){	if (!newsp)		newsp = UPT_SP(&current->thread.regs.regs); 	return do_fork(clone_flags, newsp, &current->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;}