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f7a9f785 | 1 | /* Copyright (C) 2003-2016 Free Software Foundation, Inc. |
844a34a2 UD |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
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17 | |
18 | #include <errno.h> | |
19 | #include <fcntl.h> | |
20 | #include <sysdep.h> | |
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21 | |
22 | int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise); | |
23 | int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise); | |
24 | ||
25 | /* Advice the system about the expected behaviour of the application with | |
26 | respect to the file associated with FD. */ | |
27 | ||
28 | struct fadvise64_64_layout | |
29 | { | |
30 | int fd; | |
31 | off64_t offset; | |
32 | off64_t len; | |
33 | int advise; | |
34 | }; | |
35 | ||
36 | int | |
37 | __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise) | |
38 | { | |
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39 | struct fadvise64_64_layout parameters; |
40 | INTERNAL_SYSCALL_DECL (err); | |
9c84384c | 41 | |
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42 | parameters.fd = fd; |
43 | parameters.offset = offset; | |
44 | parameters.len = len; | |
45 | parameters.advise = advise; | |
46 | int ret = INTERNAL_SYSCALL (fadvise64_64, err, 1, ¶meters); | |
47 | if (!INTERNAL_SYSCALL_ERROR_P (ret, err)) | |
48 | return 0; | |
0e1d9911 | 49 | return INTERNAL_SYSCALL_ERRNO (ret, err); |
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50 | } |
51 | ||
52 | #include <shlib-compat.h> | |
53 | ||
54 | #if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) | |
55 | ||
56 | int | |
d3a4a571 | 57 | attribute_compat_text_section |
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58 | __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise) |
59 | { | |
60 | return __posix_fadvise64_l64 (fd, offset, len, advise); | |
61 | } | |
62 | ||
63 | versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3); | |
64 | compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2); | |
65 | #else | |
66 | strong_alias (__posix_fadvise64_l64, posix_fadvise64); | |
67 | #endif |