Mercurial > hg > orthanc
annotate OrthancFramework/Sources/MultiThreading/Semaphore.h @ 5838:4b47151dea4c
fix crashes if handling very large images
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Wed, 16 Oct 2024 18:27:31 +0200 |
parents | f7adfb22e20e |
children |
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 |
5640
f7adfb22e20e
updated copyright, as Orthanc Team now replaces Osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5485
diff
changeset
|
5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
f7adfb22e20e
updated copyright, as Orthanc Team now replaces Osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5485
diff
changeset
|
6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
5485
48b8dae6dc77
upgrade to year 2024
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
5185
diff
changeset
|
7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
995
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
8 * |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
9 * This program is free software: you can redistribute it and/or |
4119
bf7b9edf6b81
re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4104
diff
changeset
|
10 * modify it under the terms of the GNU Lesser General Public License |
bf7b9edf6b81
re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4104
diff
changeset
|
11 * as published by the Free Software Foundation, either version 3 of |
bf7b9edf6b81
re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4104
diff
changeset
|
12 * the License, or (at your option) any later version. |
4064
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
13 * |
995
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
14 * 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
|
15 * 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
|
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
4119
bf7b9edf6b81
re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4104
diff
changeset
|
17 * Lesser General Public License for more details. |
995
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
18 * |
4119
bf7b9edf6b81
re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4104
diff
changeset
|
19 * You should have received a copy of the GNU Lesser General Public |
bf7b9edf6b81
re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4104
diff
changeset
|
20 * License along with this program. If not, see |
bf7b9edf6b81
re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4104
diff
changeset
|
21 * <http://www.gnu.org/licenses/>. |
995
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 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
24 |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
25 #pragma once |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
26 |
4104
d5c09b5f882f
publishing Orthanc::Semaphore in shared library
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4068
diff
changeset
|
27 #include "../OrthancFramework.h" |
d5c09b5f882f
publishing Orthanc::Semaphore in shared library
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4068
diff
changeset
|
28 |
995
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
29 #include <boost/noncopyable.hpp> |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
30 #include <boost/thread.hpp> |
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 namespace Orthanc |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
33 { |
4104
d5c09b5f882f
publishing Orthanc::Semaphore in shared library
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4068
diff
changeset
|
34 class ORTHANC_PUBLIC Semaphore : public boost::noncopyable |
995
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 private: |
3480
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
37 unsigned int availableResources_; |
995
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
38 boost::mutex mutex_; |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
39 boost::condition_variable condition_; |
4064
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
40 |
4797
4e765c18ace7
enable using multiple threads to load instances when generating zip archive/media
Alain Mazy <am@osimis.io>
parents:
4437
diff
changeset
|
41 public: |
4e765c18ace7
enable using multiple threads to load instances when generating zip archive/media
Alain Mazy <am@osimis.io>
parents:
4437
diff
changeset
|
42 explicit Semaphore(unsigned int availableResources); |
4e765c18ace7
enable using multiple threads to load instances when generating zip archive/media
Alain Mazy <am@osimis.io>
parents:
4437
diff
changeset
|
43 |
4e765c18ace7
enable using multiple threads to load instances when generating zip archive/media
Alain Mazy <am@osimis.io>
parents:
4437
diff
changeset
|
44 unsigned int GetAvailableResourcesCount() const; |
4e765c18ace7
enable using multiple threads to load instances when generating zip archive/media
Alain Mazy <am@osimis.io>
parents:
4437
diff
changeset
|
45 |
4064
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
46 void Release(unsigned int resourceCount = 1); |
2794
f790999a250a
Semaphore removed from graveyard, SystemToolbox::GetHardwareConcurrency()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2611
diff
changeset
|
47 |
4064
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
48 void Acquire(unsigned int resourceCount = 1); |
995
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
49 |
4064
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
50 bool TryAcquire(unsigned int resourceCount = 1); |
3483
4d26261fd05a
get semaphore count for debug purpose
Alain Mazy <alain@mazy.be>
parents:
3480
diff
changeset
|
51 |
2108 | 52 class Locker : public boost::noncopyable |
53 { | |
54 private: | |
55 Semaphore& that_; | |
4064
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
56 unsigned int resourceCount_; |
2108 | 57 |
58 public: | |
4064
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
59 explicit Locker(Semaphore& that, unsigned int resourceCount = 1) : |
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
60 that_(that), |
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
61 resourceCount_(resourceCount) |
2108 | 62 { |
4064
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
63 that_.Acquire(resourceCount_); |
2108 | 64 } |
65 | |
66 ~Locker() | |
67 { | |
4064
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
68 that_.Release(resourceCount_); |
2108 | 69 } |
70 }; | |
3480
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
71 |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
72 class TryLocker : public boost::noncopyable |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
73 { |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
74 private: |
4064
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
75 Semaphore& that_; |
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
76 unsigned int resourceCount_; |
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
77 bool isAcquired_; |
3480
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
78 |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
79 public: |
4064
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
80 explicit TryLocker(Semaphore& that, unsigned int resourceCount = 1) : |
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
81 that_(that), |
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
82 resourceCount_(resourceCount) |
3480
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
83 { |
4064
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
84 isAcquired_ = that_.TryAcquire(resourceCount_); |
3480
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
85 } |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
86 |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
87 ~TryLocker() |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
88 { |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
89 if (isAcquired_) |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
90 { |
4064
7176ebf08765
Semaphore: allow acquiring/releasing multiple resources
Alain Mazy
parents:
3640
diff
changeset
|
91 that_.Release(resourceCount_); |
3480
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
92 } |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
93 } |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
94 |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
95 bool IsAcquired() const |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
96 { |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
97 return isAcquired_; |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
98 } |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
99 }; |
10fd1b9ae044
fix Semaphore + added TryAcquire & TryLocker
Alain Mazy <alain@mazy.be>
parents:
3060
diff
changeset
|
100 |
995
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
101 }; |
8c67382f44a7
limit number of jobs in the scheduler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
102 } |