| /* 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; |
| #if NEED_DECLARATION_GETPAGESIZE |
| extern int getpagesize PARAMS ((void)); |
| #endif |
| |
| 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); |
| } |