Mercurial > hg > orthanc
annotate Resources/Graveyard/Multithreading/Mutex.cpp @ 3640:94f4a18a79cc
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 31 Jan 2020 17:14:59 +0100 |
| parents | 4e43e67f8ecf |
| children |
| rev | line source |
|---|---|
| 760 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 1900 | 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) 2017-2020 Osimis S.A., Belgium |
| 760 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU General Public License as | |
| 9 * published by the Free Software Foundation, either version 3 of the | |
| 10 * License, or (at your option) any later version. | |
| 11 * | |
| 12 * In addition, as a special exception, the copyright holders of this | |
| 13 * program give permission to link the code of its release with the | |
| 14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 15 * that use the same license as the "OpenSSL" library), and distribute | |
| 16 * the linked executables. You must obey the GNU General Public License | |
| 17 * in all respects for all of the code used other than "OpenSSL". If you | |
| 18 * modify file(s) with this exception, you may extend this exception to | |
| 19 * your version of the file(s), but you are not obligated to do so. If | |
| 20 * you do not wish to do so, delete this exception statement from your | |
| 21 * version. If you delete this exception statement from all source files | |
| 22 * in the program, then also delete it here. | |
| 23 * | |
| 24 * This program is distributed in the hope that it will be useful, but | |
| 25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 27 * General Public License for more details. | |
| 28 * | |
| 29 * You should have received a copy of the GNU General Public License | |
| 30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 31 **/ | |
| 32 | |
| 33 | |
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34 #include "../PrecompiledHeaders.h" |
| 760 | 35 #include "Mutex.h" |
| 36 | |
| 37 #include "../OrthancException.h" | |
| 38 | |
| 39 #if defined(_WIN32) | |
| 40 #include <windows.h> | |
| 2364 | 41 #elif defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) |
| 760 | 42 #include <pthread.h> |
| 43 #else | |
| 44 #error Support your platform here | |
| 45 #endif | |
| 46 | |
| 47 namespace Orthanc | |
| 48 { | |
| 49 #if defined (_WIN32) | |
| 50 | |
| 51 struct Mutex::PImpl | |
| 52 { | |
| 53 CRITICAL_SECTION criticalSection_; | |
| 54 }; | |
| 55 | |
| 56 Mutex::Mutex() | |
| 57 { | |
| 58 pimpl_ = new PImpl; | |
| 59 ::InitializeCriticalSection(&pimpl_->criticalSection_); | |
| 60 } | |
| 61 | |
| 62 Mutex::~Mutex() | |
| 63 { | |
| 64 ::DeleteCriticalSection(&pimpl_->criticalSection_); | |
| 65 delete pimpl_; | |
| 66 } | |
| 67 | |
| 68 void Mutex::Lock() | |
| 69 { | |
| 70 ::EnterCriticalSection(&pimpl_->criticalSection_); | |
| 71 } | |
| 72 | |
| 73 void Mutex::Unlock() | |
| 74 { | |
| 75 ::LeaveCriticalSection(&pimpl_->criticalSection_); | |
| 76 } | |
| 77 | |
| 78 | |
| 2364 | 79 #elif defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) |
| 760 | 80 |
| 81 struct Mutex::PImpl | |
| 82 { | |
| 83 pthread_mutex_t mutex_; | |
| 84 }; | |
| 85 | |
| 86 Mutex::Mutex() | |
| 87 { | |
| 88 pimpl_ = new PImpl; | |
| 89 | |
| 90 if (pthread_mutex_init(&pimpl_->mutex_, NULL) != 0) | |
| 91 { | |
| 92 delete pimpl_; | |
| 93 throw OrthancException(ErrorCode_InternalError); | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 Mutex::~Mutex() | |
| 98 { | |
| 99 pthread_mutex_destroy(&pimpl_->mutex_); | |
| 100 delete pimpl_; | |
| 101 } | |
| 102 | |
| 103 void Mutex::Lock() | |
| 104 { | |
| 105 if (pthread_mutex_lock(&pimpl_->mutex_) != 0) | |
| 106 { | |
| 107 throw OrthancException(ErrorCode_InternalError); | |
| 108 } | |
| 109 } | |
| 110 | |
| 111 void Mutex::Unlock() | |
| 112 { | |
| 113 if (pthread_mutex_unlock(&pimpl_->mutex_) != 0) | |
| 114 { | |
| 115 throw OrthancException(ErrorCode_InternalError); | |
| 116 } | |
| 117 } | |
| 118 | |
| 119 #else | |
| 120 #error Support your plateform here | |
| 121 #endif | |
| 122 } |