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comparison Framework/MultiThreading/Semaphore.h @ 151:fb8d4cd2f618

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fix applications
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 17 Jul 2018 10:06:39 +0200
parents Framework/Semaphore.h@442102e14933
children
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150:442102e14933 151:fb8d4cd2f618
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 }