Mercurial > hg > orthanc-stone
annotate Applications/Resources/Graveyard/Threading/SharedValue.h @ 2088:b98d159c7545 dicom-sr
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 07 Nov 2023 18:12:35 +0100 |
parents | 07964689cb0b |
children | c23eef785569 |
rev | line source |
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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) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2023 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 } |