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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
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4 * 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 "Mutex.h"
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34
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35 #include "../OrthancException.h"
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36
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37 #if defined(_WIN32)
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38 #include <windows.h>
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39 #elif defined(__linux)
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40 #include <pthread.h>
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41 #else
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42 #error Support your platform here
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43 #endif
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44
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45 namespace Orthanc
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46 {
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47 #if defined (_WIN32)
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48
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49 struct Mutex::PImpl
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50 {
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51 CRITICAL_SECTION criticalSection_;
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52 };
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53
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54 Mutex::Mutex()
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55 {
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56 pimpl_ = new PImpl;
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57 ::InitializeCriticalSection(&pimpl_->criticalSection_);
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58 }
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59
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60 Mutex::~Mutex()
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61 {
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62 ::DeleteCriticalSection(&pimpl_->criticalSection_);
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63 delete pimpl_;
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64 }
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65
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66 void Mutex::Lock()
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67 {
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68 ::EnterCriticalSection(&pimpl_->criticalSection_);
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69 }
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70
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71 void Mutex::Unlock()
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72 {
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73 ::LeaveCriticalSection(&pimpl_->criticalSection_);
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74 }
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75
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76
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77 #elif defined(__linux)
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78
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79 struct Mutex::PImpl
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80 {
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81 pthread_mutex_t mutex_;
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82 };
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83
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84 Mutex::Mutex()
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85 {
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86 pimpl_ = new PImpl;
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87
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88 if (pthread_mutex_init(&pimpl_->mutex_, NULL) != 0)
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89 {
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90 delete pimpl_;
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91 throw OrthancException(ErrorCode_InternalError);
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92 }
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93 }
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94
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95 Mutex::~Mutex()
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96 {
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97 pthread_mutex_destroy(&pimpl_->mutex_);
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98 delete pimpl_;
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99 }
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100
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101 void Mutex::Lock()
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102 {
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103 if (pthread_mutex_lock(&pimpl_->mutex_) != 0)
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104 {
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105 throw OrthancException(ErrorCode_InternalError);
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106 }
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107 }
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108
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109 void Mutex::Unlock()
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110 {
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111 if (pthread_mutex_unlock(&pimpl_->mutex_) != 0)
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112 {
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113 throw OrthancException(ErrorCode_InternalError);
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114 }
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115 }
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116
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117 #else
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118 #error Support your plateform here
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119 #endif
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120 }
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