projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| f7a9f785 | 1 | /* Copyright (C) 2000-2016 Free Software Foundation, Inc. |
| bb0607a2 AS |
2 | This file is part of the GNU C Library. |
| 3 | Contributed by Andreas Schwab <schwab@suse.de>. | |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 3214b89b AJ |
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. | |
| bb0607a2 AS |
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 | |
| 3214b89b | 13 | Lesser General Public License for more details. |
| bb0607a2 | 14 | |
| 3214b89b | 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/>. */ | |
| bb0607a2 AS |
18 | |
| 19 | #include <unistd.h> | |
| 20 | #include <sys/param.h> | |
| 21 | #include <errno.h> | |
| 22 | ||
| f71d7f57 | 23 | #include <ldsodefs.h> |
| bb0607a2 AS |
24 | #include <sysdep.h> |
| 25 | #include <sys/syscall.h> | |
| 26 | ||
| 27 | /* Return the system page size. */ | |
| 28 | int | |
| 60d2f8f3 | 29 | __getpagesize (void) |
| bb0607a2 AS |
30 | { |
| 31 | #ifdef __NR_getpagesize | |
| 32 | int result; | |
| f476000f AS |
33 | #endif |
| 34 | ||
| a7c187d6 UD |
35 | if (GLRO(dl_pagesize) != 0) |
| 36 | return GLRO(dl_pagesize); | |
| bb0607a2 | 37 | |
| 44dce391 | 38 | #ifdef __NR_getpagesize |
| 51c050b0 UD |
39 | INTERNAL_SYSCALL_DECL (err); |
| 40 | result = INTERNAL_SYSCALL (getpagesize, err, 0); | |
| bb0607a2 | 41 | /* The only possible error is ENOSYS. */ |
| 51c050b0 | 42 | if (!INTERNAL_SYSCALL_ERROR_P (result, err)) |
| bb0607a2 AS |
43 | return result; |
| 44 | #endif | |
| 45 | ||
| f476000f | 46 | return 4096; |
| bb0607a2 | 47 | } |
| da5f5f79 | 48 | libc_hidden_def (__getpagesize) |
| bb0607a2 | 49 | weak_alias (__getpagesize, getpagesize) |