49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/* Allocate memory on a page boundary.
|
|
Copyright (C) 1991 Free Software Foundation, Inc.
|
|
|
|
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 "mmprivate.h"
|
|
|
|
/* Cache the pagesize for the current host machine. Note that if the host
|
|
does not readily provide a getpagesize() function, we need to emulate it
|
|
elsewhere, not clutter up this file with lots of kluges to try to figure
|
|
it out. */
|
|
|
|
static size_t cache_pagesize;
|
|
extern int getpagesize PARAMS ((void));
|
|
|
|
PTR
|
|
mvalloc (md, size)
|
|
PTR md;
|
|
size_t size;
|
|
{
|
|
if (cache_pagesize == 0)
|
|
{
|
|
cache_pagesize = getpagesize ();
|
|
}
|
|
|
|
return (mmemalign (md, cache_pagesize, size));
|
|
}
|
|
|
|
|
|
PTR
|
|
valloc (size)
|
|
size_t size;
|
|
{
|
|
return mvalloc ((PTR) NULL, size);
|
|
}
|