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| |
| #ifndef QTIMERINFO_UNIX_P_H |
| #define QTIMERINFO_UNIX_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| // #define QTIMERINFO_DEBUG |
| |
| #include "qabstracteventdispatcher.h" |
| |
| #include <sys/time.h> // struct timeval |
| |
| QT_BEGIN_NAMESPACE |
| |
| // internal timer info |
| struct QTimerInfo { |
| int id; // - timer identifier |
| int interval; // - timer interval in milliseconds |
| Qt::TimerType timerType; // - timer type |
| timespec timeout; // - when to actually fire |
| QObject *obj; // - object to receive event |
| QTimerInfo **activateRef; // - ref from activateTimers |
| |
| #ifdef QTIMERINFO_DEBUG |
| timeval expected; // when timer is expected to fire |
| float cumulativeError; |
| uint count; |
| #endif |
| }; |
| |
| class Q_CORE_EXPORT QTimerInfoList : public QList<QTimerInfo*> |
| { |
| #if ((_POSIX_MONOTONIC_CLOCK-0 <= 0) && !defined(Q_OS_MAC)) || defined(QT_BOOTSTRAPPED) |
| timespec previousTime; |
| clock_t previousTicks; |
| int ticksPerSecond; |
| int msPerTick; |
| |
| bool timeChanged(timespec *delta); |
| void timerRepair(const timespec &); |
| #endif |
| |
| // state variables used by activateTimers() |
| QTimerInfo *firstTimerInfo; |
| |
| public: |
| QTimerInfoList(); |
| |
| timespec currentTime; |
| timespec updateCurrentTime(); |
| |
| // must call updateCurrentTime() first! |
| void repairTimersIfNeeded(); |
| |
| bool timerWait(timespec &); |
| void timerInsert(QTimerInfo *); |
| |
| int timerRemainingTime(int timerId); |
| |
| void registerTimer(int timerId, int interval, Qt::TimerType timerType, QObject *object); |
| bool unregisterTimer(int timerId); |
| bool unregisterTimers(QObject *object); |
| QList<QAbstractEventDispatcher::TimerInfo> registeredTimers(QObject *object) const; |
| |
| int activateTimers(); |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QTIMERINFO_UNIX_P_H |