New file. Use getpagesize syscall if available.

This commit is contained in:
Andreas Schwab 2000-05-08 15:01:07 +00:00
parent 97d9957b66
commit 736de3cfc2

View File

@ -0,0 +1,43 @@
/* 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. 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 ()
{
#ifdef __NR_getpagesize
int result;
result = INLINE_SYSCALL (getpagesize, 0);
/* The only possible error is ENOSYS. */
if (result != -1)
return result;
#endif
return EXEC_PAGESIZE;
}
weak_alias (__getpagesize, getpagesize)