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comparison Resources/Graveyard/Multithreading/Semaphore.cpp @ 2611:af7ea91dd4d5 jobs

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removal of unused Semaphore and ILockable classes
author Sebastien Jodogne <s.jodogne@gmail.com>
date Sat, 19 May 2018 18:11:40 +0200
parents Core/MultiThreading/Semaphore.cpp@878b59270859
children
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2610:3ff4c50647ea 2611:af7ea91dd4d5
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 General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
11 *
12 * In addition, as a special exception, the copyright holders of this
13 * program give permission to link the code of its release with the
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
15 * that use the same license as the "OpenSSL" library), and distribute
16 * the linked executables. You must obey the GNU General Public License
17 * in all respects for all of the code used other than "OpenSSL". If you
18 * modify file(s) with this exception, you may extend this exception to
19 * your version of the file(s), but you are not obligated to do so. If
20 * you do not wish to do so, delete this exception statement from your
21 * version. If you delete this exception statement from all source files
22 * in the program, then also delete it here.
23 *
24 * This program is distributed in the hope that it will be useful, but
25 * WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27 * General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
31 **/
32
33
34 #include "../PrecompiledHeaders.h"
35 #include "Semaphore.h"
36
37 #include "../OrthancException.h"
38
39
40 namespace Orthanc
41 {
42 Semaphore::Semaphore(unsigned int count) : count_(count)
43 {
44 }
45
46 void Semaphore::Release()
47 {
48 boost::mutex::scoped_lock lock(mutex_);
49
50 count_++;
51 condition_.notify_one();
52 }
53
54 void Semaphore::Acquire()
55 {
56 boost::mutex::scoped_lock lock(mutex_);
57
58 while (count_ == 0)
59 {
60 condition_.wait(lock);
61 }
62
63 count_++;
64 }
65 }