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39 | |
40 | #ifndef QEVENTDISPATCHER_UNIX_P_H |
41 | #define QEVENTDISPATCHER_UNIX_P_H |
42 | |
43 | // |
44 | // W A R N I N G |
45 | // ------------- |
46 | // |
47 | // This file is not part of the Qt API. It exists purely as an |
48 | // implementation detail. This header file may change from version to |
49 | // version without notice, or even be removed. |
50 | // |
51 | // We mean it. |
52 | // |
53 | |
54 | #include "QtCore/qabstracteventdispatcher.h" |
55 | #include "QtCore/qlist.h" |
56 | #include "private/qabstracteventdispatcher_p.h" |
57 | #include "private/qcore_unix_p.h" |
58 | #include "QtCore/qvarlengtharray.h" |
59 | #include "private/qtimerinfo_unix_p.h" |
60 | |
61 | QT_BEGIN_NAMESPACE |
62 | |
63 | class QEventDispatcherUNIXPrivate; |
64 | |
65 | struct Q_CORE_EXPORT QSocketNotifierSetUNIX final |
66 | { |
67 | inline QSocketNotifierSetUNIX() noexcept; |
68 | |
69 | inline bool isEmpty() const noexcept; |
70 | inline short events() const noexcept; |
71 | |
72 | QSocketNotifier *notifiers[3]; |
73 | }; |
74 | |
75 | Q_DECLARE_TYPEINFO(QSocketNotifierSetUNIX, Q_PRIMITIVE_TYPE); |
76 | |
77 | struct QThreadPipe |
78 | { |
79 | QThreadPipe(); |
80 | ~QThreadPipe(); |
81 | |
82 | bool init(); |
83 | pollfd prepare() const; |
84 | |
85 | void wakeUp(); |
86 | int check(const pollfd &pfd); |
87 | |
88 | // note for eventfd(7) support: |
89 | // if fds[1] is -1, then eventfd(7) is in use and is stored in fds[0] |
90 | int fds[2]; |
91 | QAtomicInt wakeUps; |
92 | |
93 | #if defined(Q_OS_VXWORKS) |
94 | static const int len_name = 20; |
95 | char name[len_name]; |
96 | #endif |
97 | }; |
98 | |
99 | class Q_CORE_EXPORT QEventDispatcherUNIX : public QAbstractEventDispatcher |
100 | { |
101 | Q_OBJECT |
102 | Q_DECLARE_PRIVATE(QEventDispatcherUNIX) |
103 | |
104 | public: |
105 | explicit QEventDispatcherUNIX(QObject *parent = nullptr); |
106 | ~QEventDispatcherUNIX(); |
107 | |
108 | bool processEvents(QEventLoop::ProcessEventsFlags flags) override; |
109 | bool hasPendingEvents() override; |
110 | |
111 | void registerSocketNotifier(QSocketNotifier *notifier) final; |
112 | void unregisterSocketNotifier(QSocketNotifier *notifier) final; |
113 | |
114 | void registerTimer(int timerId, int interval, Qt::TimerType timerType, QObject *object) final; |
115 | bool unregisterTimer(int timerId) final; |
116 | bool unregisterTimers(QObject *object) final; |
117 | QList<TimerInfo> registeredTimers(QObject *object) const final; |
118 | |
119 | int remainingTime(int timerId) final; |
120 | |
121 | void wakeUp() override; |
122 | void interrupt() final; |
123 | void flush() override; |
124 | |
125 | protected: |
126 | QEventDispatcherUNIX(QEventDispatcherUNIXPrivate &dd, QObject *parent = nullptr); |
127 | }; |
128 | |
129 | class Q_CORE_EXPORT QEventDispatcherUNIXPrivate : public QAbstractEventDispatcherPrivate |
130 | { |
131 | Q_DECLARE_PUBLIC(QEventDispatcherUNIX) |
132 | |
133 | public: |
134 | QEventDispatcherUNIXPrivate(); |
135 | ~QEventDispatcherUNIXPrivate(); |
136 | |
137 | int activateTimers(); |
138 | |
139 | void markPendingSocketNotifiers(); |
140 | int activateSocketNotifiers(); |
141 | void setSocketNotifierPending(QSocketNotifier *notifier); |
142 | |
143 | QThreadPipe threadPipe; |
144 | QVector<pollfd> pollfds; |
145 | |
146 | QHash<int, QSocketNotifierSetUNIX> socketNotifiers; |
147 | QVector<QSocketNotifier *> pendingNotifiers; |
148 | |
149 | QTimerInfoList timerList; |
150 | QAtomicInt interrupt; // bool |
151 | }; |
152 | |
153 | inline QSocketNotifierSetUNIX::QSocketNotifierSetUNIX() noexcept |
154 | { |
155 | notifiers[0] = nullptr; |
156 | notifiers[1] = nullptr; |
157 | notifiers[2] = nullptr; |
158 | } |
159 | |
160 | inline bool QSocketNotifierSetUNIX::isEmpty() const noexcept |
161 | { |
162 | return !notifiers[0] && !notifiers[1] && !notifiers[2]; |
163 | } |
164 | |
165 | inline short QSocketNotifierSetUNIX::events() const noexcept |
166 | { |
167 | short result = 0; |
168 | |
169 | if (notifiers[0]) |
170 | result |= POLLIN; |
171 | |
172 | if (notifiers[1]) |
173 | result |= POLLOUT; |
174 | |
175 | if (notifiers[2]) |
176 | result |= POLLPRI; |
177 | |
178 | return result; |
179 | } |
180 | |
181 | QT_END_NAMESPACE |
182 | |
183 | #endif // QEVENTDISPATCHER_UNIX_P_H |
184 | |