ff4e7bb239
2000-02-18 Frank Ch. Eigler <fche@redhat.com> From Jason "crash" Molenda <jsm@cygnus.com>: * configure.in: Check for getpagesize declaration. * mvmalloc.c, mmap-sup.c: Conditionally declare getpagesize. * configure: Regenerated.
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* Allocate memory on a page boundary.
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Copyright (C) 1991 Free Software Foundation, Inc.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "mmprivate.h"
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/* Cache the pagesize for the current host machine. Note that if the host
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does not readily provide a getpagesize() function, we need to emulate it
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elsewhere, not clutter up this file with lots of kluges to try to figure
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it out. */
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static size_t cache_pagesize;
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#if NEED_DECLARATION_GETPAGESIZE
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extern int getpagesize PARAMS ((void));
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#endif
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PTR
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mvalloc (md, size)
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PTR md;
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size_t size;
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{
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if (cache_pagesize == 0)
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{
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cache_pagesize = getpagesize ();
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}
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return (mmemalign (md, cache_pagesize, size));
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}
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PTR
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valloc (size)
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size_t size;
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{
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return mvalloc ((PTR) NULL, size);
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}
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