1 | /* Get file-specific information about a file. Linux version. |
2 | Copyright (C) 2003-2021 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
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 |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <assert.h> |
20 | #include <stdbool.h> |
21 | #include <stdlib.h> |
22 | #include <unistd.h> |
23 | |
24 | |
25 | static long int linux_sysconf (int name); |
26 | extern long int __cache_sysconf (int) attribute_hidden; |
27 | |
28 | |
29 | /* Get the value of the system variable NAME. */ |
30 | long int |
31 | __sysconf (int name) |
32 | { |
33 | if (name >= _SC_LEVEL1_ICACHE_SIZE && name <= _SC_LEVEL4_CACHE_LINESIZE) |
34 | return __cache_sysconf (name); |
35 | |
36 | return linux_sysconf (name); |
37 | } |
38 | |
39 | /* Now the generic Linux version. */ |
40 | #undef __sysconf |
41 | #define __sysconf static linux_sysconf |
42 | #include "../sysconf.c" |
43 | |