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d4697bc9 | 1 | /* Copyright (C) 2011-2014 Free Software Foundation, Inc. |
a63c7fa1 CM |
2 | This file is part of the GNU C Library. |
3 | Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
ab84e3ff PE |
16 | License along with the GNU C Library. If not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
a63c7fa1 CM |
18 | |
19 | #include <errno.h> | |
20 | #include <fcntl.h> | |
21 | #include <sysdep.h> | |
22 | ||
23 | /* Advice the system about the expected behaviour of the application with | |
24 | respect to the file associated with FD. */ | |
25 | ||
26 | int | |
27 | posix_fadvise (int fd, off_t offset, off_t len, int advise) | |
28 | { | |
29 | INTERNAL_SYSCALL_DECL (err); | |
30 | int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, | |
31 | __LONG_LONG_PAIR (offset >> 31, offset), | |
32 | __LONG_LONG_PAIR (len >> 31, len), | |
33 | advise); | |
34 | if (INTERNAL_SYSCALL_ERROR_P (ret, err)) | |
35 | return INTERNAL_SYSCALL_ERRNO (ret, err); | |
36 | return 0; | |
37 | } |