mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-27 04:41:02 +08:00
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/* Copyright (C) 2000 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <unistd.h>
|
|
#include <sys/param.h>
|
|
#include <errno.h>
|
|
|
|
#include <sysdep.h>
|
|
#include <sys/syscall.h>
|
|
|
|
/* Return the system page size. */
|
|
int
|
|
__getpagesize ()
|
|
{
|
|
extern size_t _dl_pagesize;
|
|
#ifdef __NR_getpagesize
|
|
int result;
|
|
#endif
|
|
|
|
if (_dl_pagesize != 0)
|
|
return _dl_pagesize;
|
|
|
|
result = INLINE_SYSCALL (getpagesize, 0);
|
|
/* The only possible error is ENOSYS. */
|
|
if (result != -1)
|
|
return result;
|
|
#endif
|
|
|
|
return 4096;
|
|
}
|
|
|
|
weak_alias (__getpagesize, getpagesize)
|