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b168057a | 1 | /* Copyright (C) 1999-2015 Free Software Foundation, Inc. |
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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 | |
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15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
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17 | |
18 | #include <assert.h> | |
19 | #include <unistd.h> | |
20 | #include <sys/param.h> | |
21 | ||
22 | #include <ldsodefs.h> | |
23 | #include <sysdep.h> | |
24 | #include <sys/syscall.h> | |
25 | ||
26 | /* Return the system page size. The return value will depend on how | |
27 | the kernel is configured. A program must use this call to | |
28 | determine the page size to ensure proper alignment for calls such | |
29 | as mmap and friends. --davidm 99/11/30 */ | |
30 | ||
31 | int | |
60d2f8f3 | 32 | __getpagesize (void) |
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33 | { |
34 | assert (GLRO(dl_pagesize) != 0); | |
35 | return GLRO(dl_pagesize); | |
36 | } | |
37 | libc_hidden_def (__getpagesize) | |
38 | weak_alias (__getpagesize, getpagesize) |