Mercurial > hg > orthanc-stone
annotate Applications/Resources/Graveyard/Threading/SharedValue.h @ 2012:637d6373127a
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 02 Dec 2022 18:49:06 +0100 |
| parents | 7053b8a0aaec |
| children | 07964689cb0b |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 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 |
| 0 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
| 47 | 9 * modify it under the terms of the GNU Affero General Public License |
| 10 * as published by the Free Software Foundation, either version 3 of | |
| 11 * the License, or (at your option) any later version. | |
| 0 | 12 * |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 47 | 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 * Affero General Public License for more details. | |
|
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17 * |
| 47 | 18 * You should have received a copy of the GNU Affero General Public License |
| 0 | 19 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 **/ | |
| 21 | |
| 22 | |
| 23 #pragma once | |
| 24 | |
| 25 #include <boost/noncopyable.hpp> | |
| 26 #include <boost/thread/mutex.hpp> | |
| 27 | |
| 28 namespace OrthancStone | |
| 29 { | |
| 30 // A value that is protected by a mutex, in order to be shared by | |
| 31 // multiple threads | |
| 32 template <typename T> | |
| 33 class SharedValue : public boost::noncopyable | |
| 34 { | |
| 35 private: | |
| 36 boost::mutex mutex_; | |
| 37 T value_; | |
| 38 | |
| 39 public: | |
| 40 class Locker : public boost::noncopyable | |
| 41 { | |
| 42 private: | |
| 43 boost::mutex::scoped_lock lock_; | |
| 44 T& value_; | |
| 45 | |
| 46 public: | |
| 47 Locker(SharedValue& shared) : | |
| 48 lock_(shared.mutex_), | |
| 49 value_(shared.value_) | |
| 50 { | |
| 51 } | |
| 52 | |
| 53 T& GetValue() const | |
| 54 { | |
| 55 return value_; | |
| 56 } | |
| 57 }; | |
| 58 }; | |
| 59 } |