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42 #ifndef QTIMERINFO_UNIX_P_H
43 #define QTIMERINFO_UNIX_P_H
49 // This file is not part of the Qt API. It exists purely as an
50 // implementation detail. This header file may change from version to
51 // version without notice, or even be removed.
56 // #define QTIMERINFO_DEBUG
58 #include "qabstracteventdispatcher.h"
60 #include <sys/time.h> // struct timeval
64 // internal timer info
66 int id; // - timer identifier
67 int interval; // - timer interval in milliseconds
68 Qt::TimerType timerType; // - timer type
69 timeval timeout; // - when to actually fire
70 QObject *obj; // - object to receive event
71 QTimerInfo **activateRef; // - ref from activateTimers
73 #ifdef QTIMERINFO_DEBUG
74 timeval expected; // when timer is expected to fire
75 float cumulativeError;
80 class Q_CORE_EXPORT QTimerInfoList : public QList<QTimerInfo*>
82 #if ((_POSIX_MONOTONIC_CLOCK-0 <= 0) && !defined(Q_OS_MAC)) || defined(QT_BOOTSTRAPPED)
84 clock_t previousTicks;
88 bool timeChanged(timeval *delta);
89 void timerRepair(const timeval &);
92 // state variables used by activateTimers()
93 QTimerInfo *firstTimerInfo;
99 timeval updateCurrentTime();
101 // must call updateCurrentTime() first!
102 void repairTimersIfNeeded();
104 bool timerWait(timeval &);
105 void timerInsert(QTimerInfo *);
107 void registerTimer(int timerId, int interval, Qt::TimerType timerType, QObject *object);
108 bool unregisterTimer(int timerId);
109 bool unregisterTimers(QObject *object);
110 QList<QAbstractEventDispatcher::TimerInfo> registeredTimers(QObject *object) const;
112 int activateTimers();
117 #endif // QTIMERINFO_UNIX_P_H