spielwiese
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Last change
on this file since 341696 was
341696,
checked in by Hans Schönemann <hannes@…>, 14 years ago
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Adding Id property to all files
git-svn-id: file:///usr/local/Singular/svn/trunk@12231 2c84dea3-7e68-4137-9b89-c4e89433aadc
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-
Property mode set to
100644
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File size:
1.4 KB
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| 1 | /******************************************************************* |
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| 2 | * File: omGetPageSize.h |
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| 3 | * Purpose: figure out how to get the pagesize |
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| 4 | * This is adapted from dlmalloc's mechanisms which in fact derived it from |
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| 5 | * bsd/gnu getpagesize.h |
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| 6 | * Version: $Id$ |
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| 7 | *******************************************************************/ |
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| 8 | #include <unistd.h> |
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| 9 | |
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| 10 | #ifndef omalloc_getpagesize |
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| 11 | # ifdef _SC_PAGESIZE /* some SVR4 systems omit an underscore */ |
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| 12 | # ifndef _SC_PAGE_SIZE |
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| 13 | # define _SC_PAGE_SIZE _SC_PAGESIZE |
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| 14 | # endif |
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| 15 | # endif |
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| 16 | # ifdef _SC_PAGE_SIZE |
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| 17 | # define omalloc_getpagesize sysconf(_SC_PAGE_SIZE) |
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| 18 | # else |
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| 19 | # if defined(BSD) || defined(DGUX) || defined(HAVE_GETPAGESIZE) |
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| 20 | extern size_t getpagesize(); |
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| 21 | # define omalloc_getpagesize getpagesize() |
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| 22 | # else |
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| 23 | # include <sys/param.h> |
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| 24 | # ifdef EXEC_PAGESIZE |
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| 25 | # define omalloc_getpagesize EXEC_PAGESIZE |
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| 26 | # else |
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| 27 | # ifdef NBPG |
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| 28 | # ifndef CLSIZE |
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| 29 | # define omalloc_getpagesize NBPG |
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| 30 | # else |
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| 31 | # define omalloc_getpagesize (NBPG * CLSIZE) |
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| 32 | # endif |
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| 33 | # else |
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| 34 | # ifdef NBPC |
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| 35 | # define omalloc_getpagesize NBPC |
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| 36 | # else |
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| 37 | # ifdef PAGESIZE |
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| 38 | # define omalloc_getpagesize PAGESIZE |
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| 39 | # else |
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| 40 | # define omalloc_getpagesize (4096) /* just guess */ |
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| 41 | # endif |
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| 42 | # endif |
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| 43 | # endif |
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| 44 | # endif |
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| 45 | # endif |
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| 46 | # endif |
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| 47 | #endif |
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