1 /* This file is part of XEmacs.
3 XEmacs is free software; you can redistribute it and/or modify it
4 under the terms of the GNU General Public License as published by the
5 Free Software Foundation; either version 2, or (at your option) any
8 XEmacs is distributed in the hope that it will be useful, but WITHOUT
9 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 You should have received a copy of the GNU General Public License
14 along with XEmacs; see the file COPYING. If not, write to
15 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 Boston, MA 02111-1307, USA. */
18 /* Synched up with: FSF 19.30. */
20 #ifndef INCLUDED_getpagesize_h_
21 #define INCLUDED_getpagesize_h_
23 /* Emulate getpagesize on systems that lack it. */
27 #include <sys/types.h>
28 static size_t getpagesize() { return( 4096 ); }
29 #define HAVE_GETPAGESIZE
33 #ifndef HAVE_GETPAGESIZE
40 #define getpagesize() sysconf(_SC_PAGESIZE)
43 #include <sys/param.h>
46 #define getpagesize() EXEC_PAGESIZE
49 #define getpagesize() NBPG * CLSIZE
52 #endif /* no CLSIZE */
54 #if (defined (sparc) && defined (USG)) || defined (SOLARIS2)
55 #define getpagesize() PAGESIZE
56 #else /* not Solaris 2 */
58 #define getpagesize() NBPC
61 #define getpagesize() PAGESIZE
64 #endif /* not Solaris 2 */
66 #endif /* no EXEC_PAGESIZE */
67 #endif /* _SC_PAGESIZE */
68 #endif /* not HAVE_GETPAGESIZE */
70 #endif /* INCLUDED_getpagesize_h_ */