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"
22 /* Cache the pagesize for the current host machine. Note that if the host
23 does not readily provide a getpagesize() function, we need to emulate it
24 elsewhere, not clutter up this file with lots of kluges to try to figure
27 static size_t cache_pagesize;
28 #if NEED_DECLARATION_GETPAGESIZE
29 extern int getpagesize PARAMS ((void));
33 mvalloc (void *md, size_t size)
35 if (cache_pagesize == 0)
37 cache_pagesize = getpagesize ();
40 return (mmemalign (md, cache_pagesize, size));
43 /* Useless prototype to make gcc happy */
44 void* valloc (size_t size);
46 void* valloc (size_t size) {
47 return mvalloc (NULL, size);