initial import

sysdeps/unix/getpagesize.c

@@ -0,0 +1,40 @@
+/* Copyright (C) 1991, 1992, 1995 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 General Public License as published by
+the Free Software Foundation; either version 2, 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the GNU C Library; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <stddef.h>
+#include <sys/param.h>
+
+/* Return the system page size.  */
+size_t
+DEFUN_VOID(__getpagesize)
+{
+#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.  */
+}
+
+weak_alias (__getpagesize, getpagesize)