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, |
| 4e6835db | 3 | 2005, 2006, 2007 Free Software Foundation, Inc. |
| b3ae7a0a GM |
4 | |
| 5 | This file is part of GNU Emacs. | |
| 6 | ||
| 7 | GNU Emacs is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; either version 2, or (at your option) | |
| 10 | any later version. | |
| 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 | |
| 18 | along with GNU Emacs; see the file COPYING. If not, write to | |
| 4fc5845f LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 20 | Boston, MA 02110-1301, USA. */ | |
| bac7913a RM |
21 | |
| 22 | #ifndef HAVE_GETPAGESIZE | |
| 23 | ||
| eb93fe6a DM |
24 | # ifdef VMS |
| 25 | # define getpagesize() 512 | |
| 26 | # endif | |
| bac7913a | 27 | |
| eb93fe6a DM |
28 | # ifdef HAVE_UNISTD_H |
| 29 | # include <unistd.h> | |
| 30 | # endif | |
| bac7913a | 31 | |
| eb93fe6a DM |
32 | # ifdef _SC_PAGESIZE |
| 33 | # define getpagesize() sysconf(_SC_PAGESIZE) | |
| 4b45d671 DM |
34 | # else /* no _SC_PAGESIZE */ |
| 35 | # ifdef HAVE_SYS_PARAM_H | |
| 36 | # include <sys/param.h> | |
| 37 | # ifdef EXEC_PAGESIZE | |
| 38 | # define getpagesize() EXEC_PAGESIZE | |
| 39 | # else /* no EXEC_PAGESIZE */ | |
| 40 | # ifdef NBPG | |
| 41 | # define getpagesize() NBPG * CLSIZE | |
| 42 | # ifndef CLSIZE | |
| 43 | # define CLSIZE 1 | |
| 44 | # endif /* no CLSIZE */ | |
| 45 | # else /* no NBPG */ | |
| 46 | # ifdef NBPC | |
| 47 | # define getpagesize() NBPC | |
| 48 | # else /* no NBPC */ | |
| 49 | # ifdef PAGESIZE | |
| 50 | # define getpagesize() PAGESIZE | |
| 51 | # endif /* PAGESIZE */ | |
| 52 | # endif /* no NBPC */ | |
| 53 | # endif /* no NBPG */ | |
| 54 | # endif /* no EXEC_PAGESIZE */ | |
| 55 | # else /* no HAVE_SYS_PARAM_H */ | |
| 56 | # define getpagesize() 8192 /* punt totally */ | |
| 57 | # endif /* no HAVE_SYS_PARAM_H */ | |
| eb93fe6a | 58 | # endif /* no _SC_PAGESIZE */ |
| bac7913a | 59 | |
| eb93fe6a | 60 | #endif /* no HAVE_GETPAGESIZE */ |
| ab5796a9 MB |
61 | |
| 62 | /* arch-tag: ff6206e3-97e2-4763-923a-e84bf28eabbc | |
| 63 | (do not change this comment) */ |