HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| b3ae7a0a | 1 | /* Emulate getpagesize on systems that lack it. |
| 0b5538bd | 2 | Copyright (C) 1986, 1992, 1995, 2001, 2002, 2003, 2004, |
| 8cabe764 | 3 | 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
| b3ae7a0a GM |
4 | |
| 5 | This file is part of GNU Emacs. | |
| 6 | ||
| b9b1cc14 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
| b3ae7a0a | 8 | it under the terms of the GNU General Public License as published by |
| b9b1cc14 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
| 10 | (at your option) any later version. | |
| b3ae7a0a GM |
11 | |
| 12 | GNU Emacs is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| b9b1cc14 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
| bac7913a RM |
19 | |
| 20 | #ifndef HAVE_GETPAGESIZE | |
| 21 | ||
| eb93fe6a DM |
22 | # ifdef VMS |
| 23 | # define getpagesize() 512 | |
| 24 | # endif | |
| bac7913a | 25 | |
| eb93fe6a DM |
26 | # ifdef HAVE_UNISTD_H |
| 27 | # include <unistd.h> | |
| 28 | # endif | |
| bac7913a | 29 | |
| eb93fe6a DM |
30 | # ifdef _SC_PAGESIZE |
| 31 | # define getpagesize() sysconf(_SC_PAGESIZE) | |
| 4b45d671 DM |
32 | # else /* no _SC_PAGESIZE */ |
| 33 | # ifdef HAVE_SYS_PARAM_H | |
| 34 | # include <sys/param.h> | |
| 35 | # ifdef EXEC_PAGESIZE | |
| 36 | # define getpagesize() EXEC_PAGESIZE | |
| 37 | # else /* no EXEC_PAGESIZE */ | |
| 38 | # ifdef NBPG | |
| 39 | # define getpagesize() NBPG * CLSIZE | |
| 40 | # ifndef CLSIZE | |
| 41 | # define CLSIZE 1 | |
| 42 | # endif /* no CLSIZE */ | |
| 43 | # else /* no NBPG */ | |
| 4b45d671 DM |
44 | # ifdef PAGESIZE |
| 45 | # define getpagesize() PAGESIZE | |
| 46 | # endif /* PAGESIZE */ | |
| 4b45d671 DM |
47 | # endif /* no NBPG */ |
| 48 | # endif /* no EXEC_PAGESIZE */ | |
| 49 | # else /* no HAVE_SYS_PARAM_H */ | |
| 50 | # define getpagesize() 8192 /* punt totally */ | |
| 51 | # endif /* no HAVE_SYS_PARAM_H */ | |
| eb93fe6a | 52 | # endif /* no _SC_PAGESIZE */ |
| bac7913a | 53 | |
| eb93fe6a | 54 | #endif /* no HAVE_GETPAGESIZE */ |
| ab5796a9 MB |
55 | |
| 56 | /* arch-tag: ff6206e3-97e2-4763-923a-e84bf28eabbc | |
| 57 | (do not change this comment) */ |