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comparison Resources/Orthanc/Core/MultiThreading/Semaphore.h @ 59:7a3853d51c45

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Move "Framework/Orthanc/" as "Resources/Orthanc/"
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 25 Nov 2016 16:34:34 +0100
parents Framework/Orthanc/Core/MultiThreading/Semaphore.h@dc730d11b101
children 5b127ab0080b
comparison
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58:35468714a38e 59:7a3853d51c45
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 *
6 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * In addition, as a special exception, the copyright holders of this
12 * program give permission to link the code of its release with the
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
14 * that use the same license as the "OpenSSL" library), and distribute
15 * the linked executables. You must obey the GNU General Public License
16 * in all respects for all of the code used other than "OpenSSL". If you
17 * modify file(s) with this exception, you may extend this exception to
18 * your version of the file(s), but you are not obligated to do so. If
19 * you do not wish to do so, delete this exception statement from your
20 * version. If you delete this exception statement from all source files
21 * in the program, then also delete it here.
22 *
23 * This program is distributed in the hope that it will be useful, but
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 * General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 **/
31
32
33 #pragma once
34
35 #include <boost/noncopyable.hpp>
36 #include <boost/thread.hpp>
37
38 namespace Orthanc
39 {
40 class Semaphore : public boost::noncopyable
41 {
42 private:
43 unsigned int count_;
44 boost::mutex mutex_;
45 boost::condition_variable condition_;
46
47 public:
48 explicit Semaphore(unsigned int count);
49
50 void Release();
51
52 void Acquire();
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 };
71 };
72 }