1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
5 | ** |
6 | ** This file is part of the QtDBus module of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:LGPL$ |
9 | ** Commercial License Usage |
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15 | ** use the contact form at http://qt.digia.com/contact-us. |
16 | ** |
17 | ** GNU Lesser General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
19 | ** General Public License version 2.1 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPL included in the |
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22 | ** ensure the GNU Lesser General Public License version 2.1 requirements |
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24 | ** |
25 | ** In addition, as a special exception, Digia gives you certain additional |
26 | ** rights. These rights are described in the Digia Qt LGPL Exception |
27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
28 | ** |
29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
31 | ** General Public License version 3.0 as published by the Free Software |
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36 | ** |
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38 | ** $QT_END_LICENSE$ |
39 | ** |
40 | ****************************************************************************/ |
41 | #ifndef QDBUSTHREADDEBUG_P_H |
42 | #define QDBUSTHREADDEBUG_P_H |
43 | |
44 | // |
45 | // W A R N I N G |
46 | // ------------- |
47 | // |
48 | // This file is not part of the Qt API. It exists purely as an |
49 | // implementation detail. This header file may change from version to |
50 | // version without notice, or even be removed. |
51 | // |
52 | // We mean it. |
53 | // |
54 | |
55 | #include <QtCore/qglobal.h> |
56 | |
57 | #ifndef QT_NO_DBUS |
58 | |
59 | #if !defined(QDBUS_THREAD_DEBUG) && defined(QT_BUILD_INTERNAL) |
60 | # define QDBUS_THREAD_DEBUG 1 |
61 | #endif |
62 | |
63 | #if QDBUS_THREAD_DEBUG |
64 | QT_BEGIN_NAMESPACE |
65 | typedef void (*qdbusThreadDebugFunc)(int, int, QDBusConnectionPrivate *); |
66 | Q_DBUS_EXPORT void qdbusDefaultThreadDebug(int, int, QDBusConnectionPrivate *); |
67 | extern Q_DBUS_EXPORT qdbusThreadDebugFunc qdbusThreadDebug; |
68 | QT_END_NAMESPACE |
69 | #endif |
70 | |
71 | enum ThreadAction { |
72 | ConnectAction = 0, |
73 | DisconnectAction = 1, |
74 | RegisterObjectAction = 2, |
75 | UnregisterObjectAction = 3, |
76 | ObjectRegisteredAtAction = 4, |
77 | |
78 | CloseConnectionAction = 10, |
79 | ObjectDestroyedAction = 11, |
80 | RelaySignalAction = 12, |
81 | HandleObjectCallAction = 13, |
82 | HandleSignalAction = 14, |
83 | ConnectRelayAction = 15, |
84 | DisconnectRelayAction = 16, |
85 | FindMetaObject1Action = 17, |
86 | FindMetaObject2Action = 18, |
87 | RegisterServiceAction = 19, |
88 | UnregisterServiceAction = 20, |
89 | UpdateSignalHookOwnerAction = 21, |
90 | HandleObjectCallPostEventAction = 22, |
91 | HandleObjectCallSemaphoreAction = 23, |
92 | DoDispatchAction = 24, |
93 | SendWithReplyAsyncAction = 25, |
94 | MessageResultReceivedAction = 26, |
95 | ActivateSignalAction = 27, |
96 | PendingCallBlockAction = 28, |
97 | |
98 | AddTimeoutAction = 50, |
99 | RealAddTimeoutAction = 51, |
100 | RemoveTimeoutAction = 52, |
101 | KillTimerAction = 58, |
102 | TimerEventAction = 59, |
103 | AddWatchAction = 60, |
104 | RemoveWatchAction = 61, |
105 | ToggleWatchAction = 62, |
106 | SocketReadAction = 63, |
107 | SocketWriteAction = 64 |
108 | }; |
109 | |
110 | struct QDBusLockerBase |
111 | { |
112 | enum Condition |
113 | { |
114 | BeforeLock, |
115 | AfterLock, |
116 | BeforeUnlock, |
117 | AfterUnlock, |
118 | |
119 | BeforePost, |
120 | AfterPost, |
121 | BeforeDeliver, |
122 | AfterDeliver, |
123 | |
124 | BeforeAcquire, |
125 | AfterAcquire, |
126 | BeforeRelease, |
127 | AfterRelease |
128 | }; |
129 | |
130 | #if QDBUS_THREAD_DEBUG |
131 | static inline void reportThreadAction(int action, int condition, QDBusConnectionPrivate *ptr) |
132 | { if (qdbusThreadDebug) qdbusThreadDebug(action, condition, ptr); } |
133 | #else |
134 | static inline void reportThreadAction(int, int, QDBusConnectionPrivate *) { } |
135 | #endif |
136 | }; |
137 | |
138 | struct QDBusReadLocker: QDBusLockerBase |
139 | { |
140 | QDBusConnectionPrivate *self; |
141 | ThreadAction action; |
142 | inline QDBusReadLocker(ThreadAction a, QDBusConnectionPrivate *s) |
143 | : self(s), action(a) |
144 | { |
145 | reportThreadAction(action, BeforeLock, self); |
146 | self->lock.lockForRead(); |
147 | reportThreadAction(action, AfterLock, self); |
148 | } |
149 | |
150 | inline ~QDBusReadLocker() |
151 | { |
152 | reportThreadAction(action, BeforeUnlock, self); |
153 | self->lock.unlock(); |
154 | reportThreadAction(action, AfterUnlock, self); |
155 | } |
156 | }; |
157 | |
158 | struct QDBusWriteLocker: QDBusLockerBase |
159 | { |
160 | QDBusConnectionPrivate *self; |
161 | ThreadAction action; |
162 | inline QDBusWriteLocker(ThreadAction a, QDBusConnectionPrivate *s) |
163 | : self(s), action(a) |
164 | { |
165 | reportThreadAction(action, BeforeLock, self); |
166 | self->lock.lockForWrite(); |
167 | reportThreadAction(action, AfterLock, self); |
168 | } |
169 | |
170 | inline ~QDBusWriteLocker() |
171 | { |
172 | reportThreadAction(action, BeforeUnlock, self); |
173 | self->lock.unlock(); |
174 | reportThreadAction(action, AfterUnlock, self); |
175 | } |
176 | }; |
177 | |
178 | struct QDBusMutexLocker: QDBusLockerBase |
179 | { |
180 | QDBusConnectionPrivate *self; |
181 | QMutex *mutex; |
182 | ThreadAction action; |
183 | inline QDBusMutexLocker(ThreadAction a, QDBusConnectionPrivate *s, |
184 | QMutex *m) |
185 | : self(s), mutex(m), action(a) |
186 | { |
187 | reportThreadAction(action, BeforeLock, self); |
188 | mutex->lock(); |
189 | reportThreadAction(action, AfterLock, self); |
190 | } |
191 | |
192 | inline ~QDBusMutexLocker() |
193 | { |
194 | reportThreadAction(action, BeforeUnlock, self); |
195 | mutex->unlock(); |
196 | reportThreadAction(action, AfterUnlock, self); |
197 | } |
198 | }; |
199 | |
200 | struct QDBusDispatchLocker: QDBusMutexLocker |
201 | { |
202 | inline QDBusDispatchLocker(ThreadAction a, QDBusConnectionPrivate *s) |
203 | : QDBusMutexLocker(a, s, &s->dispatchLock) |
204 | { } |
205 | }; |
206 | |
207 | struct QDBusWatchAndTimeoutLocker: QDBusMutexLocker |
208 | { |
209 | inline QDBusWatchAndTimeoutLocker(ThreadAction a, QDBusConnectionPrivate *s) |
210 | : QDBusMutexLocker(a, s, &s->watchAndTimeoutLock) |
211 | { } |
212 | }; |
213 | |
214 | #if QDBUS_THREAD_DEBUG |
215 | # define SEM_ACQUIRE(action, sem) \ |
216 | do { \ |
217 | QDBusLockerBase::reportThreadAction(action, QDBusLockerBase::BeforeAcquire, this); \ |
218 | sem.acquire(); \ |
219 | QDBusLockerBase::reportThreadAction(action, QDBusLockerBase::AfterAcquire, this); \ |
220 | } while (0) |
221 | |
222 | # define SEM_RELEASE(action, sem) \ |
223 | do { \ |
224 | QDBusLockerBase::reportThreadAction(action, QDBusLockerBase::BeforeRelease, that); \ |
225 | sem.release(); \ |
226 | QDBusLockerBase::reportThreadAction(action, QDBusLockerBase::AfterRelease, that); \ |
227 | } while (0) |
228 | |
229 | #else |
230 | # define SEM_ACQUIRE(action, sem) sem.acquire() |
231 | # define SEM_RELEASE(action, sem) sem.release() |
232 | #endif |
233 | |
234 | #endif // QT_NO_DBUS |
235 | #endif |
236 | |