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- /* Copyright (C) 1991,1992,1995-1997,2000,2002 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 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
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #include <unistd.h>
- #include <features.h>
- #include <sys/param.h>
- /* Return the system page size. */
- /* couldn't make __getpagesize hidden, because shm.h uses it in a macro */
- extern __typeof(getpagesize) __getpagesize;
- int __getpagesize(void)
- {
- if (__pagesize != 0)
- return __pagesize;
- #ifdef EXEC_PAGESIZE
- return EXEC_PAGESIZE;
- #else /* No EXEC_PAGESIZE. */
- #ifdef NBPG
- #ifndef CLSIZE
- #define CLSIZE 1
- #endif /* No CLSIZE. */
- return NBPG * CLSIZE;
- #else /* No NBPG. */
- return NBPC;
- #endif /* NBPG. */
- #endif /* EXEC_PAGESIZE. */
- }
- strong_alias(__getpagesize,getpagesize)
- libc_hidden_def(getpagesize)
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