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comparison Framework/MultiThreading/Semaphore.cpp @ 154:32a94bbb7d05

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merge
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 08 Oct 2018 12:12:39 +0200
parents fb8d4cd2f618
children
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153:b798d200ac90 154:32a94bbb7d05
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 #include "Semaphore.h"
23
24
25 namespace OrthancWSI
26 {
27 Semaphore::Semaphore(unsigned int count) : count_(count)
28 {
29 }
30
31 void Semaphore::Release()
32 {
33 boost::mutex::scoped_lock lock(mutex_);
34
35 count_++;
36 condition_.notify_one();
37 }
38
39 void Semaphore::Acquire()
40 {
41 boost::mutex::scoped_lock lock(mutex_);
42
43 while (count_ == 0)
44 {
45 condition_.wait(lock);
46 }
47
48 count_++;
49 }
50 }