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46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
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/* Copyright (C) 1991,1992,1995,1996,1997,2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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 not,
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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 <unistd.h>
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#include <sys/param.h>
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/* Return the system page size. */
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int
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__getpagesize ()
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{
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extern size_t _dl_pagesize;
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if (_dl_pagesize != 0)
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return _dl_pagesize;
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#ifdef EXEC_PAGESIZE
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return EXEC_PAGESIZE;
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#else /* No EXEC_PAGESIZE. */
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#ifdef NBPG
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#ifndef CLSIZE
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#define CLSIZE 1
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#endif /* No CLSIZE. */
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return NBPG * CLSIZE;
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#else /* No NBPG. */
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return NBPC;
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#endif /* NBPG. */
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#endif /* EXEC_PAGESIZE. */
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}
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weak_alias (__getpagesize, getpagesize)
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