Mercurial > hg > orthanc
annotate Core/MultiThreading/Semaphore.h @ 2212:c02f6ec404d8
OrthancPlugins::FindMatcher
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 10 Dec 2016 10:05:16 +0100 |
parents | 68510b1c2433 |
children | 29689b30f9ae |
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1 /** |
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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 * |
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6 * This program is free software: you can redistribute it and/or |
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7 * modify it under the terms of the GNU General Public License as |
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8 * published by the Free Software Foundation, either version 3 of the |
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9 * License, or (at your option) any later version. |
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10 * |
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11 * In addition, as a special exception, the copyright holders of this |
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12 * program give permission to link the code of its release with the |
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
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14 * that use the same license as the "OpenSSL" library), and distribute |
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15 * the linked executables. You must obey the GNU General Public License |
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16 * in all respects for all of the code used other than "OpenSSL". If you |
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17 * modify file(s) with this exception, you may extend this exception to |
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18 * your version of the file(s), but you are not obligated to do so. If |
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19 * you do not wish to do so, delete this exception statement from your |
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20 * version. If you delete this exception statement from all source files |
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21 * in the program, then also delete it here. |
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22 * |
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23 * This program is distributed in the hope that it will be useful, but |
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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26 * General Public License for more details. |
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27 * |
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28 * You should have received a copy of the GNU General Public License |
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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30 **/ |
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31 |
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32 |
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33 #pragma once |
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34 |
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35 #include <boost/noncopyable.hpp> |
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36 #include <boost/thread.hpp> |
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37 |
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38 namespace Orthanc |
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39 { |
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40 class Semaphore : public boost::noncopyable |
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41 { |
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42 private: |
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43 unsigned int count_; |
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44 boost::mutex mutex_; |
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45 boost::condition_variable condition_; |
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46 |
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47 public: |
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48 explicit Semaphore(unsigned int count); |
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49 |
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50 void Release(); |
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51 |
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52 void Acquire(); |
2108 | 53 |
54 class Locker : public boost::noncopyable | |
55 { | |
56 private: | |
57 Semaphore& that_; | |
58 | |
59 public: | |
60 Locker(Semaphore& that) : | |
61 that_(that) | |
62 { | |
63 that_.Acquire(); | |
64 } | |
65 | |
66 ~Locker() | |
67 { | |
68 that_.Release(); | |
69 } | |
70 }; | |
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71 }; |
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72 } |