1 /* Allocate memory on a page boundary.
2 Copyright (C) 1991 Free Software Foundation, Inc.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If
16 not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 #include "mmprivate.h"
21 /* Cache the pagesize for the current host machine. Note that if the host
22 does not readily provide a getpagesize() function, we need to emulate it
23 elsewhere, not clutter up this file with lots of kluges to try to figure
26 static size_t cache_pagesize
;
27 #if NEED_DECLARATION_GETPAGESIZE
28 extern int getpagesize
PARAMS ((void));
36 if (cache_pagesize
== 0)
38 cache_pagesize
= getpagesize ();
41 return (mmemalign (md
, cache_pagesize
, size
));
49 return mvalloc ((PTR
) NULL
, size
);
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