Mercurial > hg > orthanc
annotate Core/MultiThreading/Semaphore.h @ 1551:0dba274074eb
standalone logging
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 18 Aug 2015 14:57:41 +0200 |
parents | 6e7e5ed91c2d |
children | b1291df2f780 497a637366b4 |
rev | line source |
---|---|
995
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
1 /** |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
2 * Orthanc - A Lightweight, RESTful DICOM Store |
1288
6e7e5ed91c2d
upgrade to year 2015
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics |
6e7e5ed91c2d
upgrade to year 2015
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
995
diff
changeset
|
4 * Department, University Hospital of Liege, Belgium |
995
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
5 * |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
6 * This program is free software: you can redistribute it and/or |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
7 * modify it under the terms of the GNU General Public License as |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
8 * published by the Free Software Foundation, either version 3 of the |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
9 * License, or (at your option) any later version. |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
10 * |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
11 * In addition, as a special exception, the copyright holders of this |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
12 * program give permission to link the code of its release with the |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
14 * that use the same license as the "OpenSSL" library), and distribute |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
15 * the linked executables. You must obey the GNU General Public License |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
16 * in all respects for all of the code used other than "OpenSSL". If you |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
17 * modify file(s) with this exception, you may extend this exception to |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
18 * your version of the file(s), but you are not obligated to do so. If |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
19 * you do not wish to do so, delete this exception statement from your |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
20 * version. If you delete this exception statement from all source files |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
21 * in the program, then also delete it here. |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
22 * |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
23 * This program is distributed in the hope that it will be useful, but |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
24 * WITHOUT ANY WARRANTY; without even the implied warranty of |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
26 * General Public License for more details. |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
27 * |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
28 * You should have received a copy of the GNU General Public License |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
30 **/ |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
31 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
32 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
33 #pragma once |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
34 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
35 #include <boost/noncopyable.hpp> |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
36 #include <boost/thread.hpp> |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
37 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
38 namespace Orthanc |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
39 { |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
40 class Semaphore : public boost::noncopyable |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
41 { |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
42 private: |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
43 unsigned int count_; |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
44 boost::mutex mutex_; |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
45 boost::condition_variable condition_; |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
46 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
47 public: |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
48 explicit Semaphore(unsigned int count); |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
49 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
50 void Release(); |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
51 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
52 void Acquire(); |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
53 }; |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
54 } |