annotate Core/MultiThreading/SharedMessageQueue.cpp @ 1831:3ae2ff249675

"/instances/.../header" to get the meta information (header) of the DICOM instance
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 26 Nov 2015 18:53:00 +0100
parents 6e7e5ed91c2d
children b1291df2f780
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
1 /**
58b433bb9762 SharedMessageQueue
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: 1227
diff changeset
3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
6e7e5ed91c2d upgrade to year 2015
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1227
diff changeset
4 * Department, University Hospital of Liege, Belgium
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
5 *
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
6 * This program is free software: you can redistribute it and/or
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
7 * modify it under the terms of the GNU General Public License as
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
8 * published by the Free Software Foundation, either version 3 of the
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
9 * License, or (at your option) any later version.
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
10 *
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
11 * In addition, as a special exception, the copyright holders of this
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
12 * program give permission to link the code of its release with the
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
14 * that use the same license as the "OpenSSL" library), and distribute
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
15 * the linked executables. You must obey the GNU General Public License
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
16 * in all respects for all of the code used other than "OpenSSL". If you
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
17 * modify file(s) with this exception, you may extend this exception to
58b433bb9762 SharedMessageQueue
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
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
19 * you do not wish to do so, delete this exception statement from your
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
20 * version. If you delete this exception statement from all source files
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
21 * in the program, then also delete it here.
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
22 *
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
23 * This program is distributed in the hope that it will be useful, but
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
26 * General Public License for more details.
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
27 *
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
28 * You should have received a copy of the GNU General Public License
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
30 **/
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
31
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
32
824
a811bdf8b8eb precompiled headers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 723
diff changeset
33 #include "../PrecompiledHeaders.h"
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
34 #include "SharedMessageQueue.h"
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
35
1227
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
36
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
37
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
38 /**
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
39 * FIFO (queue):
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
40 *
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
41 * back front
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
42 * +--+--+--+--+--+--+--+--+--+--+--+
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
43 * Enqueue -> | | | | | | | | | | | |
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
44 * | | | | | | | | | | | | -> Dequeue
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
45 * +--+--+--+--+--+--+--+--+--+--+--+
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
46 * ^
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
47 * |
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
48 * Make room here
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
49 *
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
50 *
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
51 * LIFO (stack):
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
52 *
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
53 * back front
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
54 * +--+--+--+--+--+--+--+--+--+--+--+
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
55 * | | | | | | | | | | | | <- Enqueue
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
56 * | | | | | | | | | | | | -> Dequeue
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
57 * +--+--+--+--+--+--+--+--+--+--+--+
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
58 * ^
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
59 * |
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
60 * Make room here
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
61 **/
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
62
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
63
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
64 namespace Orthanc
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
65 {
1227
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
66 SharedMessageQueue::SharedMessageQueue(unsigned int maxSize) :
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
67 isFifo_(true),
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
68 maxSize_(maxSize)
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
69 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
70 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
71
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
72
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
73 SharedMessageQueue::~SharedMessageQueue()
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
74 {
656
08eca5d86aad fixes to cppcheck
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 452
diff changeset
75 for (Queue::iterator it = queue_.begin(); it != queue_.end(); ++it)
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
76 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
77 delete *it;
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
78 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
79 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
80
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
81
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
82 void SharedMessageQueue::Enqueue(IDynamicObject* message)
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
83 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
84 boost::mutex::scoped_lock lock(mutex_);
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
85
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
86 if (maxSize_ != 0 && queue_.size() > maxSize_)
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
87 {
1227
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
88 if (isFifo_)
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
89 {
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
90 // Too many elements in the queue: Make room
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
91 delete queue_.front();
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
92 queue_.pop_front();
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
93 }
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
94 else
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
95 {
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
96 // Too many elements in the stack: Make room
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
97 delete queue_.back();
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
98 queue_.pop_back();
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
99 }
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
100 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
101
1227
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
102 if (isFifo_)
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
103 {
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
104 // Queue policy (FIFO)
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
105 queue_.push_back(message);
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
106 }
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
107 else
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
108 {
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
109 // Stack policy (LIFO)
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
110 queue_.push_front(message);
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
111 }
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
112
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
113 elementAvailable_.notify_one();
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
114 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
115
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
116
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
117 IDynamicObject* SharedMessageQueue::Dequeue(int32_t millisecondsTimeout)
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
118 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
119 boost::mutex::scoped_lock lock(mutex_);
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
120
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
121 // Wait for a message to arrive in the FIFO queue
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
122 while (queue_.empty())
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
123 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
124 if (millisecondsTimeout == 0)
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
125 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
126 elementAvailable_.wait(lock);
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
127 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
128 else
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
129 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
130 bool success = elementAvailable_.timed_wait
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
131 (lock, boost::posix_time::milliseconds(millisecondsTimeout));
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
132 if (!success)
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
133 {
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
134 return NULL;
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
135 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
136 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
137 }
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
138
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
139 std::auto_ptr<IDynamicObject> message(queue_.front());
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
140 queue_.pop_front();
723
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
141
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
142 if (queue_.empty())
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
143 {
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
144 emptied_.notify_all();
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
145 }
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
146
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
147 return message.release();
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
148 }
452
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
149
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
150
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
151
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
152 bool SharedMessageQueue::WaitEmpty(int32_t millisecondsTimeout)
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
153 {
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
154 boost::mutex::scoped_lock lock(mutex_);
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
155
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
156 // Wait for the queue to become empty
723
0da078f3affc multithreading tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
157 while (!queue_.empty())
452
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
158 {
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
159 if (millisecondsTimeout == 0)
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
160 {
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
161 emptied_.wait(lock);
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
162 }
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
163 else
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
164 {
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
165 if (!emptied_.timed_wait
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
166 (lock, boost::posix_time::milliseconds(millisecondsTimeout)))
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
167 {
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
168 return false;
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
169 }
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
170 }
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
171 }
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
172
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
173 return true;
80f7539147a2 WaitEmpty
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 450
diff changeset
174 }
1227
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
175
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
176
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
177 void SharedMessageQueue::SetFifoPolicy()
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
178 {
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
179 boost::mutex::scoped_lock lock(mutex_);
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
180 isFifo_ = true;
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
181 }
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
182
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
183 void SharedMessageQueue::SetLifoPolicy()
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
184 {
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
185 boost::mutex::scoped_lock lock(mutex_);
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
186 isFifo_ = false;
7266c37d0354 lifo policy in SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 824
diff changeset
187 }
450
58b433bb9762 SharedMessageQueue
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
188 }