annotate Core/MultiThreading/Mutex.cpp @ 1965:877713b3a91c

fix possibly uninitialized variable
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 11 Apr 2016 10:27:15 +0200
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children 325772dadcd6
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "../PrecompiledHeaders.h"
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34 #include "Mutex.h"
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35
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36 #include "../OrthancException.h"
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37
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38 #if defined(_WIN32)
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39 #include <windows.h>
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40 #elif defined(__linux) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__FreeBSD__)
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41 #include <pthread.h>
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42 #else
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43 #error Support your platform here
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44 #endif
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45
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46 namespace Orthanc
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47 {
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48 #if defined (_WIN32)
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49
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50 struct Mutex::PImpl
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51 {
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52 CRITICAL_SECTION criticalSection_;
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53 };
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54
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55 Mutex::Mutex()
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56 {
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57 pimpl_ = new PImpl;
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58 ::InitializeCriticalSection(&pimpl_->criticalSection_);
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59 }
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60
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61 Mutex::~Mutex()
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62 {
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63 ::DeleteCriticalSection(&pimpl_->criticalSection_);
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64 delete pimpl_;
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65 }
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66
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67 void Mutex::Lock()
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68 {
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69 ::EnterCriticalSection(&pimpl_->criticalSection_);
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70 }
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71
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72 void Mutex::Unlock()
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73 {
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74 ::LeaveCriticalSection(&pimpl_->criticalSection_);
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75 }
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76
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77
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78 #elif defined(__linux) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__FreeBSD__)
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79
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80 struct Mutex::PImpl
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81 {
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82 pthread_mutex_t mutex_;
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83 };
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84
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85 Mutex::Mutex()
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86 {
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87 pimpl_ = new PImpl;
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88
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89 if (pthread_mutex_init(&pimpl_->mutex_, NULL) != 0)
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90 {
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91 delete pimpl_;
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92 throw OrthancException(ErrorCode_InternalError);
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93 }
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94 }
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95
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96 Mutex::~Mutex()
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97 {
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98 pthread_mutex_destroy(&pimpl_->mutex_);
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99 delete pimpl_;
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100 }
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101
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102 void Mutex::Lock()
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103 {
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104 if (pthread_mutex_lock(&pimpl_->mutex_) != 0)
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105 {
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106 throw OrthancException(ErrorCode_InternalError);
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107 }
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108 }
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109
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110 void Mutex::Unlock()
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111 {
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112 if (pthread_mutex_unlock(&pimpl_->mutex_) != 0)
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113 {
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114 throw OrthancException(ErrorCode_InternalError);
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115 }
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116 }
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117
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118 #else
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119 #error Support your plateform here
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120 #endif
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121 }