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annotate contrib/python-zstandard/zstd/common/threading.c @ 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
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 /**
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14 * This file will hold wrapper for systems, which do not support pthreads
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15 */
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16
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17 #include "threading.h"
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18
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19 /* create fake symbol to avoid empty translation unit warning */
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20 int g_ZSTD_threading_useless_symbol;
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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
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29
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30 /* === Dependencies === */
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31 #include <process.h>
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32 #include <errno.h>
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33
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34
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35 /* === Implementation === */
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36
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37 static unsigned __stdcall worker(void *arg)
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38 {
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39 ZSTD_pthread_t* const thread = (ZSTD_pthread_t*) arg;
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40 thread->arg = thread->start_routine(thread->arg);
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41 return 0;
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42 }
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43
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44 int ZSTD_pthread_create(ZSTD_pthread_t* thread, const void* unused,
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45 void* (*start_routine) (void*), void* arg)
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46 {
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47 (void)unused;
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48 thread->arg = arg;
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49 thread->start_routine = start_routine;
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50 thread->handle = (HANDLE) _beginthreadex(NULL, 0, worker, thread, 0, NULL);
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51
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52 if (!thread->handle)
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53 return errno;
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54 else
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55 return 0;
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56 }
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57
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58 int ZSTD_pthread_join(ZSTD_pthread_t thread, void **value_ptr)
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59 {
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60 DWORD result;
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61
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62 if (!thread.handle) return 0;
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63
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64 result = WaitForSingleObject(thread.handle, INFINITE);
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65 switch (result) {
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66 case WAIT_OBJECT_0:
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67 if (value_ptr) *value_ptr = thread.arg;
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68 return 0;
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69 case WAIT_ABANDONED:
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70 return EINVAL;
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71 default:
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72 return GetLastError();
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73 }
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74 }
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75
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76 #endif /* ZSTD_MULTITHREAD */
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77
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78 #if defined(ZSTD_MULTITHREAD) && DEBUGLEVEL >= 1 && !defined(_WIN32)
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79
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80 #include <stdlib.h>
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81
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82 int ZSTD_pthread_mutex_init(ZSTD_pthread_mutex_t* mutex, pthread_mutexattr_t const* attr)
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83 {
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84 *mutex = (pthread_mutex_t*)malloc(sizeof(pthread_mutex_t));
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85 if (!*mutex)
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86 return 1;
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87 return pthread_mutex_init(*mutex, attr);
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88 }
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89
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90 int ZSTD_pthread_mutex_destroy(ZSTD_pthread_mutex_t* mutex)
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91 {
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92 if (!*mutex)
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93 return 0;
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94 {
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95 int const ret = pthread_mutex_destroy(*mutex);
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96 free(*mutex);
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97 return ret;
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98 }
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99 }
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100
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101 int ZSTD_pthread_cond_init(ZSTD_pthread_cond_t* cond, pthread_condattr_t const* attr)
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102 {
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103 *cond = (pthread_cond_t*)malloc(sizeof(pthread_cond_t));
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104 if (!*cond)
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105 return 1;
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106 return pthread_cond_init(*cond, attr);
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107 }
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108
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109 int ZSTD_pthread_cond_destroy(ZSTD_pthread_cond_t* cond)
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110 {
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111 if (!*cond)
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112 return 0;
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113 {
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114 int const ret = pthread_cond_destroy(*cond);
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115 free(*cond);
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116 return ret;
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117 }
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118 }
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119
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120 #endif