Mercurial > hg > orthanc-wsi
comparison Framework/MultiThreading/Semaphore.h @ 151:fb8d4cd2f618
fix applications
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 17 Jul 2018 10:06:39 +0200 |
parents | Framework/Semaphore.h@442102e14933 |
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150:442102e14933 | 151:fb8d4cd2f618 |
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1 /** | |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2018 Osimis S.A., Belgium | |
6 * | |
7 * This program is free software: you can redistribute it and/or | |
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. | |
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 | |
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 | |
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.hpp> | |
26 | |
27 namespace OrthancWSI | |
28 { | |
29 class Semaphore : public boost::noncopyable | |
30 { | |
31 private: | |
32 unsigned int count_; | |
33 boost::mutex mutex_; | |
34 boost::condition_variable condition_; | |
35 | |
36 public: | |
37 explicit Semaphore(unsigned int count); | |
38 | |
39 void Release(); | |
40 | |
41 void Acquire(); | |
42 | |
43 class Locker : public boost::noncopyable | |
44 { | |
45 private: | |
46 Semaphore& that_; | |
47 | |
48 public: | |
49 explicit Locker(Semaphore& that) : | |
50 that_(that) | |
51 { | |
52 that_.Acquire(); | |
53 } | |
54 | |
55 ~Locker() | |
56 { | |
57 that_.Release(); | |
58 } | |
59 }; | |
60 }; | |
61 } |