| /* Copyright (C) 2000-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Andreas Schwab <schwab@suse.de>. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <unistd.h> |
| #include <sys/param.h> |
| #include <errno.h> |
| |
| #include <ldsodefs.h> |
| #include <sysdep.h> |
| #include <sys/syscall.h> |
| |
| /* Return the system page size. */ |
| int |
| __getpagesize (void) |
| { |
| #ifdef __NR_getpagesize |
| int result; |
| #endif |
| |
| if (GLRO(dl_pagesize) != 0) |
| return GLRO(dl_pagesize); |
| |
| #ifdef __NR_getpagesize |
| INTERNAL_SYSCALL_DECL (err); |
| result = INTERNAL_SYSCALL (getpagesize, err, 0); |
| /* The only possible error is ENOSYS. */ |
| if (!INTERNAL_SYSCALL_ERROR_P (result, err)) |
| return result; |
| #endif |
| |
| return 4096; |
| } |
| libc_hidden_def (__getpagesize) |
| weak_alias (__getpagesize, getpagesize) |
