| /* Copyright (C) 2003 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <sysdep.h> |
| |
| /* Advice the system about the expected behaviour of the application with |
| respect to the file associated with FD. */ |
| |
| int |
| posix_fadvise (int fd, off_t offset, off_t len, int advise) |
| { |
| #ifdef __NR_fadvise64 |
| INTERNAL_SYSCALL_DECL (err); |
| int ret = INTERNAL_SYSCALL (fadvise64, err, 6, fd, 0, |
| __LONG_LONG_PAIR (offset >> 31, offset), len, |
| advise); |
| if (INTERNAL_SYSCALL_ERROR_P (ret, err)) |
| return INTERNAL_SYSCALL_ERRNO (ret, err); |
| return 0; |
| #else |
| return ENOSYS; |
| #endif |
| } |
