diff src/getpagesize.h @ 0:376386a54a3c r19-14

Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
parents
children 41ff10fd062f
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/getpagesize.h	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,70 @@
+/* This file is part of XEmacs.
+
+XEmacs 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.
+
+XEmacs 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 XEmacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Synched up with: FSF 19.30. */
+
+/* Emulate getpagesize on systems that lack it.  */
+
+#if 0
+#ifdef __hpux
+#include <sys/types.h>
+static size_t getpagesize() { return( 4096 ); }
+#define HAVE_GETPAGESIZE
+#endif
+#endif
+  
+#ifndef HAVE_GETPAGESIZE
+
+#ifdef VMS
+#define getpagesize() 512
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifdef _SC_PAGESIZE
+#define getpagesize() sysconf(_SC_PAGESIZE)
+#else
+
+#include <sys/param.h>
+
+#ifdef EXEC_PAGESIZE
+#define getpagesize() EXEC_PAGESIZE
+#else
+#ifdef NBPG
+#define getpagesize() NBPG * CLSIZE
+#ifndef CLSIZE
+#define CLSIZE 1
+#endif /* no CLSIZE */
+#else /* no NBPG */
+#if (defined (sparc) && defined (USG)) || defined (SOLARIS2)
+#define getpagesize() PAGESIZE
+#else /* not Solaris 2 */
+#ifdef NBPC
+#define getpagesize() NBPC
+#else /* no NBPC */
+#ifdef PAGESIZE
+#define getpagesize() PAGESIZE
+#endif
+#endif /* NBPC */
+#endif /* not Solaris 2 */
+#endif /* no NBPG */
+#endif /* no EXEC_PAGESIZE */
+#endif /* _SC_PAGESIZE */
+#endif /* not HAVE_GETPAGESIZE */
+