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annotate nss/lib/base/baset.h @ 2:a945361df361

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Fix NSS_LIBRARIES variable
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 30 Jul 2014 16:20:44 +0200
parents 1e5118fa0cb1
children
rev   line source
0
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1 /* This Source Code Form is subject to the terms of the Mozilla Public
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2 * License, v. 2.0. If a copy of the MPL was not distributed with this
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3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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4
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5 #ifndef BASET_H
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6 #define BASET_H
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7
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8 /*
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9 * baset.h
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10 *
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11 * This file contains definitions for the basic types used throughout
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12 * nss but not available publicly.
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13 */
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14
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15 #ifndef NSSBASET_H
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16 #include "nssbaset.h"
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17 #endif /* NSSBASET_H */
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18
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19 #include "plhash.h"
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20
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21 PR_BEGIN_EXTERN_C
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22
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23 /*
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24 * nssArenaMark
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25 *
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26 * This type is used to mark the current state of an NSSArena.
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27 */
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28
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29 struct nssArenaMarkStr;
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30 typedef struct nssArenaMarkStr nssArenaMark;
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31
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32 #ifdef DEBUG
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33 /*
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34 * ARENA_THREADMARK
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35 *
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36 * Optionally, this arena implementation can be compiled with some
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37 * runtime checking enabled, which will catch the situation where
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38 * one thread "marks" the arena, another thread allocates memory,
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39 * and then the mark is released. Usually this is a surprise to
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40 * the second thread, and this leads to weird runtime errors.
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41 * Define ARENA_THREADMARK to catch these cases; we define it for all
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42 * (internal and external) debug builds.
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43 */
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44 #define ARENA_THREADMARK
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45
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46 /*
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47 * ARENA_DESTRUCTOR_LIST
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48 *
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49 * Unfortunately, our pointer-tracker facility, used in debug
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50 * builds to agressively fight invalid pointers, requries that
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51 * pointers be deregistered when objects are destroyed. This
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52 * conflicts with the standard arena usage where "memory-only"
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53 * objects (that don't hold onto resources outside the arena)
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54 * can be allocated in an arena, and never destroyed other than
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55 * when the arena is destroyed. Therefore we have added a
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56 * destructor-registratio facility to our arenas. This was not
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57 * a simple decision, since we're getting ever-further away from
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58 * the original arena philosophy. However, it was felt that
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59 * adding this in debug builds wouldn't be so bad; as it would
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60 * discourage them from being used for "serious" purposes.
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61 * This facility requires ARENA_THREADMARK to be defined.
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62 */
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63 #ifdef ARENA_THREADMARK
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64 #define ARENA_DESTRUCTOR_LIST
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65 #endif /* ARENA_THREADMARK */
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66
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67 #endif /* DEBUG */
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68
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69 typedef struct nssListStr nssList;
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70 typedef struct nssListIteratorStr nssListIterator;
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71 typedef PRBool (* nssListCompareFunc)(void *a, void *b);
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72 typedef PRIntn (* nssListSortFunc)(void *a, void *b);
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73 typedef void (* nssListElementDestructorFunc)(void *el);
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74
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75 typedef struct nssHashStr nssHash;
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76 typedef void (PR_CALLBACK *nssHashIterator)(const void *key,
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77 void *value,
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78 void *arg);
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79
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80 /*
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81 * nssPointerTracker
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82 *
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83 * This type is used in debug builds (both external and internal) to
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84 * track our object pointers. Objects of this type must be statically
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85 * allocated, which means the structure size must be available to the
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86 * compiler. Therefore we must expose the contents of this structure.
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87 * But please don't access elements directly; use the accessors.
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88 */
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89
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90 #ifdef DEBUG
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91 struct nssPointerTrackerStr {
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92 PRCallOnceType once;
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93 PZLock *lock;
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94 PLHashTable *table;
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95 };
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96 typedef struct nssPointerTrackerStr nssPointerTracker;
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97 #endif /* DEBUG */
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98
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99 /*
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100 * nssStringType
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101 *
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102 * There are several types of strings in the real world. We try to
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103 * use only UTF8 and avoid the rest, but that's not always possible.
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104 * So we have a couple converter routines to go to and from the other
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105 * string types. We have to be able to specify those string types,
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106 * so we have this enumeration.
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107 */
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108
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109 enum nssStringTypeEnum {
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110 nssStringType_DirectoryString,
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111 nssStringType_TeletexString, /* Not "teletext" with trailing 't' */
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112 nssStringType_PrintableString,
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113 nssStringType_UniversalString,
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114 nssStringType_BMPString,
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115 nssStringType_UTF8String,
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116 nssStringType_PHGString,
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117 nssStringType_GeneralString,
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118
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119 nssStringType_Unknown = -1
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120 };
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121 typedef enum nssStringTypeEnum nssStringType;
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122
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123 PR_END_EXTERN_C
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124
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125 #endif /* BASET_H */
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