source: branches/4.5.1/src/dbus/qdbusthread.cpp@ 687

Last change on this file since 687 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 5.1 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information (qt-info@nokia.com)
5**
6** This file is part of the QtDBus module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at qt-sales@nokia.com.
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include <QtCore/qmutex.h>
43#include <QtCore/qwaitcondition.h>
44
45#include <stdlib.h>
46#include <qdbus_symbols_p.h>
47
48QT_USE_NAMESPACE
49
50static DBusMutex* mutex_new()
51{
52 return reinterpret_cast<DBusMutex *>(new QMutex(QMutex::NonRecursive));
53}
54
55#if 0
56static DBusMutex* recursive_mutex_new()
57{
58 return reinterpret_cast<DBusMutex *>(new QMutex(QMutex::Recursive));
59}
60#endif
61
62static void mutex_free(DBusMutex *mutex)
63{
64 delete reinterpret_cast<QMutex *>(mutex);
65}
66
67static dbus_bool_t mutex_lock(DBusMutex *mutex)
68{
69 reinterpret_cast<QMutex *>(mutex)->lock();
70 return true;
71}
72
73static dbus_bool_t mutex_unlock(DBusMutex *mutex)
74{
75 reinterpret_cast<QMutex *>(mutex)->unlock();
76 return true;
77}
78
79static DBusCondVar* condvar_new()
80{
81 return reinterpret_cast<DBusCondVar *>(new QWaitCondition);
82}
83
84static void condvar_free(DBusCondVar *cond)
85{
86 delete reinterpret_cast<QWaitCondition *>(cond);
87}
88
89static void condvar_wait(DBusCondVar *cond, DBusMutex *mutex)
90{
91 reinterpret_cast<QWaitCondition *>(cond)->wait(reinterpret_cast<QMutex *>(mutex));
92}
93
94static dbus_bool_t condvar_wait_timeout(DBusCondVar *cond, DBusMutex *mutex, int msec)
95{
96 return reinterpret_cast<QWaitCondition *>(cond)->wait(reinterpret_cast<QMutex *>(mutex), msec);
97}
98
99static void condvar_wake_one(DBusCondVar *cond)
100{
101 reinterpret_cast<QWaitCondition *>(cond)->wakeOne();
102}
103
104static void condvar_wake_all(DBusCondVar *cond)
105{
106 reinterpret_cast<QWaitCondition *>(cond)->wakeAll();
107}
108
109QT_BEGIN_NAMESPACE
110
111bool qDBusInitThreads()
112{
113 // ### Disable the recursive mutex functions.
114 static DBusThreadFunctions fcn = {
115 DBUS_THREAD_FUNCTIONS_MUTEX_NEW_MASK |
116 DBUS_THREAD_FUNCTIONS_MUTEX_FREE_MASK |
117 DBUS_THREAD_FUNCTIONS_MUTEX_LOCK_MASK |
118 DBUS_THREAD_FUNCTIONS_MUTEX_UNLOCK_MASK |
119 DBUS_THREAD_FUNCTIONS_CONDVAR_NEW_MASK |
120 DBUS_THREAD_FUNCTIONS_CONDVAR_FREE_MASK |
121 DBUS_THREAD_FUNCTIONS_CONDVAR_WAIT_MASK |
122 DBUS_THREAD_FUNCTIONS_CONDVAR_WAIT_TIMEOUT_MASK |
123 DBUS_THREAD_FUNCTIONS_CONDVAR_WAKE_ONE_MASK |
124 DBUS_THREAD_FUNCTIONS_CONDVAR_WAKE_ALL_MASK,
125#if 0
126 DBUS_THREAD_FUNCTIONS_RECURSIVE_MUTEX_NEW_MASK |
127 DBUS_THREAD_FUNCTIONS_RECURSIVE_MUTEX_FREE_MASK |
128 DBUS_THREAD_FUNCTIONS_RECURSIVE_MUTEX_LOCK_MASK |
129 DBUS_THREAD_FUNCTIONS_RECURSIVE_MUTEX_UNLOCK_MASK,
130#endif
131 mutex_new,
132 mutex_free,
133 mutex_lock,
134 mutex_unlock,
135 condvar_new,
136 condvar_free,
137 condvar_wait,
138 condvar_wait_timeout,
139 condvar_wake_one,
140 condvar_wake_all,
141#if 0
142 recursive_mutex_new,
143 mutex_free,
144 mutex_lock,
145 mutex_unlock,
146#else
147 0, 0, 0, 0,
148#endif
149 0, 0, 0, 0
150 };
151
152#if !defined QT_LINKED_LIBDBUS
153 void (*threads_init_default)() = (void (*)())qdbus_resolve_conditionally("dbus_threads_init_default");
154 void (*threads_init)(DBusThreadFunctions *) = (void (*)(DBusThreadFunctions*))qdbus_resolve_conditionally("dbus_threads_init");
155
156 if (threads_init_default)
157 threads_init_default();
158 else if (threads_init)
159 threads_init(&fcn);
160 else
161 return false;
162
163 return true;
164#else
165 dbus_threads_init(&fcn);
166
167 return true;
168#endif
169}
170
171QT_END_NAMESPACE
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