mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-28 23:34:53 +03:00
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* 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)
|