Mercurial > trustbridge > nss-cmake-static

annotate nspr/pr/src/md/prosdep.c @ 3:150b72113545

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Add DBM and legacydb support
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 05 Aug 2014 18:32:02 +0200
parents 1e5118fa0cb1
children
rev   line source
0
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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2 /* This Source Code Form is subject to the terms of the Mozilla Public
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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5
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6 #include "prbit.h"
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7 #include "prsystem.h"
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8
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9 #ifdef XP_UNIX
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10 #include <unistd.h>
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11 #endif
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12 #ifdef _WIN32
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13 #include <windows.h>
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14 #endif
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15 #ifdef XP_BEOS
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16 #include <OS.h>
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17 #endif
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18
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19 PRInt32 _pr_pageShift;
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20 PRInt32 _pr_pageSize;
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21
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22 /*
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23 ** Get system page size
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24 */
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25 static void GetPageSize(void)
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26 {
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27 PRInt32 pageSize;
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28
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29 /* Get page size */
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30 #ifdef XP_UNIX
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31 #if defined BSDI || defined AIX \
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32 || defined LINUX || defined __GNU__ || defined __GLIBC__ \
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33 || defined FREEBSD || defined NETBSD || defined OPENBSD \
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34 || defined DARWIN || defined SYMBIAN
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35 _pr_pageSize = getpagesize();
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36 #elif defined(HPUX)
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37 /* I have no idea. Don't get me started. --Rob */
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38 _pr_pageSize = sysconf(_SC_PAGE_SIZE);
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39 #else
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40 _pr_pageSize = sysconf(_SC_PAGESIZE);
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41 #endif
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42 #endif /* XP_UNIX */
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43
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44 #ifdef XP_BEOS
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45 _pr_pageSize = B_PAGE_SIZE;
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46 #endif
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47
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48 #ifdef XP_PC
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49 #ifdef _WIN32
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50 SYSTEM_INFO info;
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51 GetSystemInfo(&info);
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52 _pr_pageSize = info.dwPageSize;
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53 #else
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54 _pr_pageSize = 4096;
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55 #endif
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56 #endif /* XP_PC */
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57
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58 pageSize = _pr_pageSize;
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59 PR_CEILING_LOG2(_pr_pageShift, pageSize);
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60 }
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61
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62 PR_IMPLEMENT(PRInt32) PR_GetPageShift(void)
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63 {
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64 if (!_pr_pageSize) {
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65 GetPageSize();
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66 }
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67 return _pr_pageShift;
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68 }
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69
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70 PR_IMPLEMENT(PRInt32) PR_GetPageSize(void)
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71 {
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72 if (!_pr_pageSize) {
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73 GetPageSize();
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74 }
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75 return _pr_pageSize;
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76 }
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