annotate OrthancFramework/Resources/Graveyard/Multithreading/Mutex.cpp @ 5159:f5907aecbaed

conditional usage of malloc_trim
author Alain Mazy <am@osimis.io>
date Thu, 02 Feb 2023 11:28:35 +0100
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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 * Copyright (C) 2017-2022 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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22
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23
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24 #include "../PrecompiledHeaders.h"
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25 #include "Mutex.h"
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26
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27 #include "../OrthancException.h"
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28
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29 #if defined(_WIN32)
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30 #include <windows.h>
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31 #elif defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__)
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32 #include <pthread.h>
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33 #else
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34 #error Support your platform here
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35 #endif
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36
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37 namespace Orthanc
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38 {
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39 #if defined (_WIN32)
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40
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41 struct Mutex::PImpl
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42 {
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43 CRITICAL_SECTION criticalSection_;
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44 };
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45
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46 Mutex::Mutex()
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47 {
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48 pimpl_ = new PImpl;
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49 ::InitializeCriticalSection(&pimpl_->criticalSection_);
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50 }
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51
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52 Mutex::~Mutex()
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53 {
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54 ::DeleteCriticalSection(&pimpl_->criticalSection_);
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55 delete pimpl_;
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56 }
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57
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58 void Mutex::Lock()
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59 {
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60 ::EnterCriticalSection(&pimpl_->criticalSection_);
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61 }
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62
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63 void Mutex::Unlock()
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64 {
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65 ::LeaveCriticalSection(&pimpl_->criticalSection_);
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66 }
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67
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68
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69 #elif defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__)
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70
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71 struct Mutex::PImpl
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72 {
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73 pthread_mutex_t mutex_;
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74 };
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75
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76 Mutex::Mutex()
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77 {
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78 pimpl_ = new PImpl;
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79
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80 if (pthread_mutex_init(&pimpl_->mutex_, NULL) != 0)
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81 {
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82 delete pimpl_;
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83 throw OrthancException(ErrorCode_InternalError);
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84 }
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85 }
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86
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87 Mutex::~Mutex()
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88 {
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89 pthread_mutex_destroy(&pimpl_->mutex_);
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90 delete pimpl_;
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91 }
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92
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93 void Mutex::Lock()
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94 {
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95 if (pthread_mutex_lock(&pimpl_->mutex_) != 0)
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96 {
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97 throw OrthancException(ErrorCode_InternalError);
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98 }
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99 }
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100
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101 void Mutex::Unlock()
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102 {
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103 if (pthread_mutex_unlock(&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 #else
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110 #error Support your plateform here
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111 #endif
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112 }