Mercurial > hg > orthanc-wsi
comparison Framework/Semaphore.cpp @ 150:442102e14933
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 17 Jul 2018 09:55:24 +0200 |
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149:954f45b6e60c | 150:442102e14933 |
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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 #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 } |