projects / thirdparty / bash.git / blame
| Commit | Line | Data |
|---|---|---|
| 726f6388 JA |
1 | /* Emulation of getpagesize() for systems that need it. |
| 2 | Copyright (C) 1991 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This program is free software; you can redistribute it and/or modify | |
| 5 | it under the terms of the GNU General Public License as published by | |
| 6 | the Free Software Foundation; either version 2 of the License, or | |
| 7 | (at your option) any later version. | |
| 8 | ||
| 9 | This program is distributed in the hope that it will be useful, | |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | GNU General Public License for more details. | |
| 13 | ||
| 14 | You should have received a copy of the GNU General Public License | |
| 15 | along with this program; if not, write to the Free Software | |
| bb70624e | 16 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ |
| 726f6388 JA |
17 | |
| 18 | #if defined (HAVE_UNISTD_H) | |
| cce855bc JA |
19 | # ifdef _MINIX |
| 20 | # include <sys/types.h> | |
| 21 | # endif | |
| 726f6388 JA |
22 | # include <unistd.h> |
| 23 | # if defined (_SC_PAGESIZE) | |
| 24 | # define getpagesize() sysconf(_SC_PAGESIZE) | |
| d166f048 JA |
25 | # else |
| 26 | # if defined (_SC_PAGE_SIZE) | |
| 27 | # define getpagesize() sysconf(_SC_PAGE_SIZE) | |
| 28 | # endif /* _SC_PAGE_SIZE */ | |
| 726f6388 JA |
29 | # endif /* _SC_PAGESIZE */ |
| 30 | #endif | |
| 31 | ||
| 32 | #if !defined (getpagesize) | |
| cce855bc JA |
33 | # ifndef _MINIX |
| 34 | # include <sys/param.h> | |
| 35 | # endif | |
| 726f6388 JA |
36 | # if defined (PAGESIZE) |
| 37 | # define getpagesize() PAGESIZE | |
| 38 | # else /* !PAGESIZE */ | |
| 39 | # if defined (EXEC_PAGESIZE) | |
| 40 | # define getpagesize() EXEC_PAGESIZE | |
| 41 | # else /* !EXEC_PAGESIZE */ | |
| 42 | # if defined (NBPG) | |
| 43 | # if !defined (CLSIZE) | |
| 44 | # define CLSIZE 1 | |
| 45 | # endif /* !CLSIZE */ | |
| 46 | # define getpagesize() (NBPG * CLSIZE) | |
| 47 | # else /* !NBPG */ | |
| 48 | # if defined (NBPC) | |
| 49 | # define getpagesize() NBPC | |
| 50 | # endif /* NBPC */ | |
| 51 | # endif /* !NBPG */ | |
| 52 | # endif /* !EXEC_PAGESIZE */ | |
| 53 | # endif /* !PAGESIZE */ | |
| 54 | #endif /* !getpagesize */ | |
| 55 | ||
| 56 | #if !defined (getpagesize) | |
| 57 | # define getpagesize() 4096 /* Just punt and use reasonable value */ | |
| 58 | #endif |