/* * Copyright (C) 2004-2006 Atmel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #include #include #include #include #include #include asmlinkage int sys_pipe(unsigned long __user *filedes) { int fd[2]; int error; error = do_pipe(fd); if (!error) { if (copy_to_user(filedes, fd, sizeof(fd))) error = -EFAULT; } return error; } asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, off_t offset) { int error = -EBADF; struct file *file = NULL; flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); if (!(flags & MAP_ANONYMOUS)) { file = fget(fd); if (!file) return error; } down_write(¤t->mm->mmap_sem); error = do_mmap_pgoff(file, addr, len, prot, flags, offset); up_write(¤t->mm->mmap_sem); if (file) fput(file); return error; }