Mercurial > hg > orthanc
annotate Core/MultiThreading/Semaphore.cpp @ 2107:88831c3edd8f
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Wed, 19 Oct 2016 17:22:09 +0200 |
parents | ed383e7a6753 |
children | a3a65de1840f |
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 |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
1288
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 |
1624
0a2ad4a6858f
fix missing precompiled headers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1288
diff
changeset
|
33 #include "../PrecompiledHeaders.h" |
995
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
34 #include "Semaphore.h" |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
35 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
36 #include "../OrthancException.h" |
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 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
39 namespace Orthanc |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
40 { |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
41 Semaphore::Semaphore(unsigned int count) : count_(count) |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
42 { |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
43 } |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
44 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
45 void Semaphore::Release() |
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 boost::mutex::scoped_lock lock(mutex_); |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
48 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
49 count_++; |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
50 condition_.notify_one(); |
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 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
53 void Semaphore::Acquire() |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
54 { |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
55 boost::mutex::scoped_lock lock(mutex_); |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
56 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
57 while (count_ == 0) |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
58 { |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
59 condition_.wait(lock); |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
60 } |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
61 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
62 count_++; |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
63 } |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
64 } |