Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/lib/vtls/polarssl_threadlock.c @ 46:7ee69f120f19 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /***************************************************************************
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2 * _ _ ____ _
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3 * Project ___| | | | _ \| |
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4 * / __| | | | |_) | |
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5 * | (__| |_| | _ <| |___
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6 * \___|\___/|_| \_\_____|
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7 *
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8 * Copyright (C) 2013-2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 * Copyright (C) 2010, 2011, Hoi-Ho Chan, <hoiho.chan@gmail.com>
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10 *
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11 * This software is licensed as described in the file COPYING, which
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12 * you should have received as part of this distribution. The terms
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13 * are also available at https://curl.haxx.se/docs/copyright.html.
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14 *
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15 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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16 * copies of the Software, and permit persons to whom the Software is
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17 * furnished to do so, under the terms of the COPYING file.
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18 *
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19 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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20 * KIND, either express or implied.
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21 *
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22 ***************************************************************************/
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23 #include "curl_setup.h"
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24
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25 #if (defined(USE_POLARSSL) || defined(USE_MBEDTLS)) && \
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26 ((defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)) || \
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27 (defined(USE_THREADS_WIN32) && defined(HAVE_PROCESS_H)))
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29 #if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)
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30 # include <pthread.h>
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31 # define POLARSSL_MUTEX_T pthread_mutex_t
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32 #elif defined(USE_THREADS_WIN32) && defined(HAVE_PROCESS_H)
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33 # include <process.h>
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34 # define POLARSSL_MUTEX_T HANDLE
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35 #endif
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37 #include "polarssl_threadlock.h"
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38 #include "curl_printf.h"
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39 #include "curl_memory.h"
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40 /* The last #include file should be: */
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41 #include "memdebug.h"
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42
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43 /* number of thread locks */
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44 #define NUMT 2
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45
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46 /* This array will store all of the mutexes available to PolarSSL. */
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47 static POLARSSL_MUTEX_T *mutex_buf = NULL;
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48
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49 int Curl_polarsslthreadlock_thread_setup(void)
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50 {
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51 int i;
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52
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53 mutex_buf = calloc(NUMT * sizeof(POLARSSL_MUTEX_T), 1);
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54 if(!mutex_buf)
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55 return 0; /* error, no number of threads defined */
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56
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57 for(i = 0; i < NUMT; i++) {
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58 int ret;
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59 #if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)
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60 ret = pthread_mutex_init(&mutex_buf[i], NULL);
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61 if(ret)
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62 return 0; /* pthread_mutex_init failed */
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63 #elif defined(USE_THREADS_WIN32) && defined(HAVE_PROCESS_H)
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64 mutex_buf[i] = CreateMutex(0, FALSE, 0);
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65 if(mutex_buf[i] == 0)
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66 return 0; /* CreateMutex failed */
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67 #endif /* USE_THREADS_POSIX && HAVE_PTHREAD_H */
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68 }
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69
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70 return 1; /* OK */
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71 }
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72
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73 int Curl_polarsslthreadlock_thread_cleanup(void)
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74 {
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75 int i;
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76
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77 if(!mutex_buf)
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78 return 0; /* error, no threads locks defined */
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79
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80 for(i = 0; i < NUMT; i++) {
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81 int ret;
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82 #if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)
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83 ret = pthread_mutex_destroy(&mutex_buf[i]);
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84 if(ret)
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85 return 0; /* pthread_mutex_destroy failed */
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86 #elif defined(USE_THREADS_WIN32) && defined(HAVE_PROCESS_H)
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87 ret = CloseHandle(mutex_buf[i]);
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88 if(!ret)
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89 return 0; /* CloseHandle failed */
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90 #endif /* USE_THREADS_POSIX && HAVE_PTHREAD_H */
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91 }
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92 free(mutex_buf);
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93 mutex_buf = NULL;
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94
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95 return 1; /* OK */
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96 }
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98 int Curl_polarsslthreadlock_lock_function(int n)
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99 {
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100 if(n < NUMT) {
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101 int ret;
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102 #if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)
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103 ret = pthread_mutex_lock(&mutex_buf[n]);
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104 if(ret) {
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105 DEBUGF(fprintf(stderr,
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106 "Error: polarsslthreadlock_lock_function failed\n"));
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107 return 0; /* pthread_mutex_lock failed */
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108 }
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109 #elif defined(USE_THREADS_WIN32) && defined(HAVE_PROCESS_H)
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110 ret = (WaitForSingleObject(mutex_buf[n], INFINITE) == WAIT_FAILED?1:0);
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111 if(ret) {
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112 DEBUGF(fprintf(stderr,
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113 "Error: polarsslthreadlock_lock_function failed\n"));
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114 return 0; /* pthread_mutex_lock failed */
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115 }
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116 #endif /* USE_THREADS_POSIX && HAVE_PTHREAD_H */
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117 }
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118 return 1; /* OK */
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119 }
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120
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121 int Curl_polarsslthreadlock_unlock_function(int n)
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122 {
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123 if(n < NUMT) {
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124 int ret;
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125 #if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)
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126 ret = pthread_mutex_unlock(&mutex_buf[n]);
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127 if(ret) {
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128 DEBUGF(fprintf(stderr,
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129 "Error: polarsslthreadlock_unlock_function failed\n"));
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130 return 0; /* pthread_mutex_unlock failed */
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131 }
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132 #elif defined(USE_THREADS_WIN32) && defined(HAVE_PROCESS_H)
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133 ret = ReleaseMutex(mutex_buf[n]);
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134 if(!ret) {
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135 DEBUGF(fprintf(stderr,
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136 "Error: polarsslthreadlock_unlock_function failed\n"));
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137 return 0; /* pthread_mutex_lock failed */
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138 }
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139 #endif /* USE_THREADS_POSIX && HAVE_PTHREAD_H */
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140 }
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141 return 1; /* OK */
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142 }
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143
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144 #endif /* USE_POLARSSL || USE_MBEDTLS */