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annotate contrib/python-zstandard/zstd/common/threading.h @ 53042:cdd7bf612c7b stable tip

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bundle-spec: properly format boolean parameter (issue6960) This was breaking automatic clone bundle generation. This changeset fixes it and add a test to catch it in the future.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Tue, 11 Mar 2025 02:29:42 +0100
parents de7838053207
children
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1 /**
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2 * Copyright (c) 2016 Tino Reichardt
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3 * All rights reserved.
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4 *
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5 * This source code is licensed under both the BSD-style license (found in the
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6 * LICENSE file in the root directory of this source tree) and the GPLv2 (found
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7 * in the COPYING file in the root directory of this source tree).
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8 *
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9 * You can contact the author at:
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10 * - zstdmt source repository: https://github.com/mcmilk/zstdmt
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11 */
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12
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13 #ifndef THREADING_H_938743
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14 #define THREADING_H_938743
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15
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16 #include "debug.h"
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17
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18 #if defined (__cplusplus)
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19 extern "C" {
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20 #endif
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21
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22 #if defined(ZSTD_MULTITHREAD) && defined(_WIN32)
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23
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24 /**
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25 * Windows minimalist Pthread Wrapper, based on :
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26 * http://www.cse.wustl.edu/~schmidt/win32-cv-1.html
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27 */
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28 #ifdef WINVER
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29 # undef WINVER
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30 #endif
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31 #define WINVER 0x0600
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32
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33 #ifdef _WIN32_WINNT
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34 # undef _WIN32_WINNT
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35 #endif
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36 #define _WIN32_WINNT 0x0600
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37
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38 #ifndef WIN32_LEAN_AND_MEAN
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39 # define WIN32_LEAN_AND_MEAN
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40 #endif
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41
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42 #undef ERROR /* reported already defined on VS 2015 (Rich Geldreich) */
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43 #include <windows.h>
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44 #undef ERROR
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45 #define ERROR(name) ZSTD_ERROR(name)
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46
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47
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48 /* mutex */
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49 #define ZSTD_pthread_mutex_t CRITICAL_SECTION
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50 #define ZSTD_pthread_mutex_init(a, b) ((void)(b), InitializeCriticalSection((a)), 0)
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51 #define ZSTD_pthread_mutex_destroy(a) DeleteCriticalSection((a))
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52 #define ZSTD_pthread_mutex_lock(a) EnterCriticalSection((a))
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53 #define ZSTD_pthread_mutex_unlock(a) LeaveCriticalSection((a))
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54
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55 /* condition variable */
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56 #define ZSTD_pthread_cond_t CONDITION_VARIABLE
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57 #define ZSTD_pthread_cond_init(a, b) ((void)(b), InitializeConditionVariable((a)), 0)
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58 #define ZSTD_pthread_cond_destroy(a) ((void)(a))
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59 #define ZSTD_pthread_cond_wait(a, b) SleepConditionVariableCS((a), (b), INFINITE)
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60 #define ZSTD_pthread_cond_signal(a) WakeConditionVariable((a))
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61 #define ZSTD_pthread_cond_broadcast(a) WakeAllConditionVariable((a))
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62
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63 /* ZSTD_pthread_create() and ZSTD_pthread_join() */
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64 typedef struct {
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65 HANDLE handle;
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66 void* (*start_routine)(void*);
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67 void* arg;
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68 } ZSTD_pthread_t;
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69
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70 int ZSTD_pthread_create(ZSTD_pthread_t* thread, const void* unused,
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71 void* (*start_routine) (void*), void* arg);
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72
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73 int ZSTD_pthread_join(ZSTD_pthread_t thread, void** value_ptr);
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74
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75 /**
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76 * add here more wrappers as required
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77 */
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78
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79
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80 #elif defined(ZSTD_MULTITHREAD) /* posix assumed ; need a better detection method */
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81 /* === POSIX Systems === */
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82 # include <pthread.h>
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83
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84 #if DEBUGLEVEL < 1
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85
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86 #define ZSTD_pthread_mutex_t pthread_mutex_t
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87 #define ZSTD_pthread_mutex_init(a, b) pthread_mutex_init((a), (b))
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88 #define ZSTD_pthread_mutex_destroy(a) pthread_mutex_destroy((a))
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89 #define ZSTD_pthread_mutex_lock(a) pthread_mutex_lock((a))
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90 #define ZSTD_pthread_mutex_unlock(a) pthread_mutex_unlock((a))
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91
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92 #define ZSTD_pthread_cond_t pthread_cond_t
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93 #define ZSTD_pthread_cond_init(a, b) pthread_cond_init((a), (b))
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94 #define ZSTD_pthread_cond_destroy(a) pthread_cond_destroy((a))
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95 #define ZSTD_pthread_cond_wait(a, b) pthread_cond_wait((a), (b))
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96 #define ZSTD_pthread_cond_signal(a) pthread_cond_signal((a))
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97 #define ZSTD_pthread_cond_broadcast(a) pthread_cond_broadcast((a))
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98
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99 #define ZSTD_pthread_t pthread_t
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100 #define ZSTD_pthread_create(a, b, c, d) pthread_create((a), (b), (c), (d))
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101 #define ZSTD_pthread_join(a, b) pthread_join((a),(b))
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102
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103 #else /* DEBUGLEVEL >= 1 */
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104
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105 /* Debug implementation of threading.
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106 * In this implementation we use pointers for mutexes and condition variables.
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107 * This way, if we forget to init/destroy them the program will crash or ASAN
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108 * will report leaks.
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109 */
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110
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111 #define ZSTD_pthread_mutex_t pthread_mutex_t*
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112 int ZSTD_pthread_mutex_init(ZSTD_pthread_mutex_t* mutex, pthread_mutexattr_t const* attr);
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113 int ZSTD_pthread_mutex_destroy(ZSTD_pthread_mutex_t* mutex);
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114 #define ZSTD_pthread_mutex_lock(a) pthread_mutex_lock(*(a))
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115 #define ZSTD_pthread_mutex_unlock(a) pthread_mutex_unlock(*(a))
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116
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117 #define ZSTD_pthread_cond_t pthread_cond_t*
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118 int ZSTD_pthread_cond_init(ZSTD_pthread_cond_t* cond, pthread_condattr_t const* attr);
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119 int ZSTD_pthread_cond_destroy(ZSTD_pthread_cond_t* cond);
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120 #define ZSTD_pthread_cond_wait(a, b) pthread_cond_wait(*(a), *(b))
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121 #define ZSTD_pthread_cond_signal(a) pthread_cond_signal(*(a))
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122 #define ZSTD_pthread_cond_broadcast(a) pthread_cond_broadcast(*(a))
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123
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124 #define ZSTD_pthread_t pthread_t
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125 #define ZSTD_pthread_create(a, b, c, d) pthread_create((a), (b), (c), (d))
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126 #define ZSTD_pthread_join(a, b) pthread_join((a),(b))
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127
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128 #endif
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129
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130 #else /* ZSTD_MULTITHREAD not defined */
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131 /* No multithreading support */
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132
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133 typedef int ZSTD_pthread_mutex_t;
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134 #define ZSTD_pthread_mutex_init(a, b) ((void)(a), (void)(b), 0)
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135 #define ZSTD_pthread_mutex_destroy(a) ((void)(a))
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136 #define ZSTD_pthread_mutex_lock(a) ((void)(a))
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137 #define ZSTD_pthread_mutex_unlock(a) ((void)(a))
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138
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139 typedef int ZSTD_pthread_cond_t;
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140 #define ZSTD_pthread_cond_init(a, b) ((void)(a), (void)(b), 0)
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141 #define ZSTD_pthread_cond_destroy(a) ((void)(a))
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142 #define ZSTD_pthread_cond_wait(a, b) ((void)(a), (void)(b))
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143 #define ZSTD_pthread_cond_signal(a) ((void)(a))
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144 #define ZSTD_pthread_cond_broadcast(a) ((void)(a))
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145
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146 /* do not use ZSTD_pthread_t */
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147
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148 #endif /* ZSTD_MULTITHREAD */
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149
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150 #if defined (__cplusplus)
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151 }
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152 #endif
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153
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154 #endif /* THREADING_H_938743 */