Mercurial > hg > xemacs-beta

comparison src/getpagesize.h @ 428:3ecd8885ac67 r21-2-22

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Import from CVS: tag r21-2-22
author cvs
date Mon, 13 Aug 2007 11:28:15 +0200
parents
children 8de8e3f6228a
comparison
equal deleted inserted replaced
427:0a0253eac470 428:3ecd8885ac67
1 /* This file is part of XEmacs.
2
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
6 later version.
7
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
11 for more details.
12
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. */
17
18 /* Synched up with: FSF 19.30. */
19
20 /* Emulate getpagesize on systems that lack it. */
21
22 #if 0
23 #ifdef __hpux
24 #include <sys/types.h>
25 static size_t getpagesize() { return( 4096 ); }
26 #define HAVE_GETPAGESIZE
27 #endif
28 #endif
29
30 #ifndef HAVE_GETPAGESIZE
31
32 #ifdef HAVE_UNISTD_H
33 #include <unistd.h>
34 #endif
35
36 #ifdef _SC_PAGESIZE
37 #define getpagesize() sysconf(_SC_PAGESIZE)
38 #else
39
40 #include <sys/param.h>
41
42 #ifdef EXEC_PAGESIZE
43 #define getpagesize() EXEC_PAGESIZE
44 #else
45 #ifdef NBPG
46 #define getpagesize() NBPG * CLSIZE
47 #ifndef CLSIZE
48 #define CLSIZE 1
49 #endif /* no CLSIZE */
50 #else /* no NBPG */
51 #if (defined (sparc) && defined (USG)) || defined (SOLARIS2)
52 #define getpagesize() PAGESIZE
53 #else /* not Solaris 2 */
54 #ifdef NBPC
55 #define getpagesize() NBPC
56 #else /* no NBPC */
57 #ifdef PAGESIZE
58 #define getpagesize() PAGESIZE
59 #endif
60 #endif /* NBPC */
61 #endif /* not Solaris 2 */
62 #endif /* no NBPG */
63 #endif /* no EXEC_PAGESIZE */
64 #endif /* _SC_PAGESIZE */
65 #endif /* not HAVE_GETPAGESIZE */
66