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comparison Resources/Graveyard/Multithreading/Mutex.cpp @ 2610:3ff4c50647ea jobs

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moving the old scheduler to the graveyard
author Sebastien Jodogne <s.jodogne@gmail.com>
date Sat, 19 May 2018 16:40:26 +0200
parents Resources/Graveyard/Mutex.cpp@3caca43371f5
children 4e43e67f8ecf
comparison
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2609:f7a84b551ee4 2610:3ff4c50647ea
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 "Mutex.h"
36
37 #include "../OrthancException.h"
38
39 #if defined(_WIN32)
40 #include <windows.h>
41 #elif defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__)
42 #include <pthread.h>
43 #else
44 #error Support your platform here
45 #endif
46
47 namespace Orthanc
48 {
49 #if defined (_WIN32)
50
51 struct Mutex::PImpl
52 {
53 CRITICAL_SECTION criticalSection_;
54 };
55
56 Mutex::Mutex()
57 {
58 pimpl_ = new PImpl;
59 ::InitializeCriticalSection(&pimpl_->criticalSection_);
60 }
61
62 Mutex::~Mutex()
63 {
64 ::DeleteCriticalSection(&pimpl_->criticalSection_);
65 delete pimpl_;
66 }
67
68 void Mutex::Lock()
69 {
70 ::EnterCriticalSection(&pimpl_->criticalSection_);
71 }
72
73 void Mutex::Unlock()
74 {
75 ::LeaveCriticalSection(&pimpl_->criticalSection_);
76 }
77
78
79 #elif defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__)
80
81 struct Mutex::PImpl
82 {
83 pthread_mutex_t mutex_;
84 };
85
86 Mutex::Mutex()
87 {
88 pimpl_ = new PImpl;
89
90 if (pthread_mutex_init(&pimpl_->mutex_, NULL) != 0)
91 {
92 delete pimpl_;
93 throw OrthancException(ErrorCode_InternalError);
94 }
95 }
96
97 Mutex::~Mutex()
98 {
99 pthread_mutex_destroy(&pimpl_->mutex_);
100 delete pimpl_;
101 }
102
103 void Mutex::Lock()
104 {
105 if (pthread_mutex_lock(&pimpl_->mutex_) != 0)
106 {
107 throw OrthancException(ErrorCode_InternalError);
108 }
109 }
110
111 void Mutex::Unlock()
112 {
113 if (pthread_mutex_unlock(&pimpl_->mutex_) != 0)
114 {
115 throw OrthancException(ErrorCode_InternalError);
116 }
117 }
118
119 #else
120 #error Support your plateform here
121 #endif
122 }