Mercurial > hg > orthanc-stone
annotate Resources/Graveyard/Threading/SharedValue.h @ 374:20a20babc02c am-2
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 05 Nov 2018 10:06:33 +0100 |
| parents | fccffbf99ba1 |
| children | b70e9be013e4 |
| 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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Sebastien Jodogne <s.jodogne@gmail.com>
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 47 | 8 * modify it under the terms of the GNU Affero General Public License |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 0 | 11 * |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 47 | 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #pragma once | |
| 23 | |
| 24 #include <boost/noncopyable.hpp> | |
| 25 #include <boost/thread/mutex.hpp> | |
| 26 | |
| 27 namespace OrthancStone | |
| 28 { | |
| 29 // A value that is protected by a mutex, in order to be shared by | |
| 30 // multiple threads | |
| 31 template <typename T> | |
| 32 class SharedValue : public boost::noncopyable | |
| 33 { | |
| 34 private: | |
| 35 boost::mutex mutex_; | |
| 36 T value_; | |
| 37 | |
| 38 public: | |
| 39 class Locker : public boost::noncopyable | |
| 40 { | |
| 41 private: | |
| 42 boost::mutex::scoped_lock lock_; | |
| 43 T& value_; | |
| 44 | |
| 45 public: | |
| 46 Locker(SharedValue& shared) : | |
| 47 lock_(shared.mutex_), | |
| 48 value_(shared.value_) | |
| 49 { | |
| 50 } | |
| 51 | |
| 52 T& GetValue() const | |
| 53 { | |
| 54 return value_; | |
| 55 } | |
| 56 }; | |
| 57 }; | |
| 58 } |