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1 /**
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2 * SPDX-FileCopyrightText: 2023-2024 Sebastien Jodogne, UCLouvain, Belgium
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3 * SPDX-License-Identifier: GPL-3.0-or-later
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4 */
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5
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6 /**
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7 * Java plugin for Orthanc
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8 * Copyright (C) 2023-2024 Sebastien Jodogne, UCLouvain, Belgium
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9 *
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10 * This program is free software: you can redistribute it and/or
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11 * modify it under the terms of the GNU General Public License as
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12 * published by the Free Software Foundation, either version 3 of the
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13 * License, or (at your option) any later version.
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14 *
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15 * This program is distributed in the hope that it will be useful, but
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16 * WITHOUT ANY WARRANTY; without even the implied warranty of
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17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 * General Public License for more details.
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19 *
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20 * You should have received a copy of the GNU General Public License
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21 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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22 **/
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23
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24
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25 #include "Mutex.h"
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26
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27 #include <stdexcept>
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28
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29 #if defined(_WIN32)
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30
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31 # include <windows.h>
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32
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33 struct Mutex::PImpl
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34 {
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35 CRITICAL_SECTION criticalSection_;
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36 };
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37
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38 Mutex::Mutex()
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39 {
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40 pimpl_ = new PImpl;
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41 ::InitializeCriticalSection(&pimpl_->criticalSection_);
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42 }
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43
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44 Mutex::~Mutex()
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45 {
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46 ::DeleteCriticalSection(&pimpl_->criticalSection_);
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47 delete pimpl_;
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48 }
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49
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50 void Mutex::Lock()
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51 {
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52 ::EnterCriticalSection(&pimpl_->criticalSection_);
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53 }
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54
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55 void Mutex::Unlock()
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56 {
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57 ::LeaveCriticalSection(&pimpl_->criticalSection_);
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58 }
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59
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60
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61 #elif defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__)
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62
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63 # include <pthread.h>
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64
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65 struct Mutex::PImpl
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66 {
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67 pthread_mutex_t mutex_;
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68 };
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69
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70 Mutex::Mutex()
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71 {
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72 pimpl_ = new PImpl;
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73
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74 if (pthread_mutex_init(&pimpl_->mutex_, NULL) != 0)
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75 {
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76 delete pimpl_;
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77 throw std::runtime_error("Cannot create mutex");
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78 }
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79 }
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80
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81 Mutex::~Mutex()
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82 {
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83 pthread_mutex_destroy(&pimpl_->mutex_);
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84 delete pimpl_;
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85 }
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86
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87 void Mutex::Lock()
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88 {
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89 if (pthread_mutex_lock(&pimpl_->mutex_) != 0)
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90 {
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91 throw std::runtime_error("Cannot lock mutex");
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92 }
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93 }
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94
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95 void Mutex::Unlock()
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96 {
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97 if (pthread_mutex_unlock(&pimpl_->mutex_) != 0)
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98 {
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99 throw std::runtime_error("Cannot unlock mutex");
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100 }
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101 }
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102
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103 #else
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104 # error Support your plateform here
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105 #endif
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