qtimerinfo_unix.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Copyright (C) 2016 Intel Corporation.-
5** Contact: https://www.qt.io/licensing/-
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39****************************************************************************/-
40-
41#include <qelapsedtimer.h>-
42#include <qcoreapplication.h>-
43-
44#include "private/qcore_unix_p.h"-
45#include "private/qtimerinfo_unix_p.h"-
46#include "private/qobject_p.h"-
47#include "private/qabstracteventdispatcher_p.h"-
48-
49#ifdef QTIMERINFO_DEBUG-
50# include <QDebug>-
51# include <QThread>-
52#endif-
53-
54#include <sys/times.h>-
55-
56QT_BEGIN_NAMESPACE-
57-
58Q_CORE_EXPORT bool qt_disable_lowpriority_timers=false;-
59-
60/*-
61 * Internal functions for manipulating timer data structures. The-
62 * timerBitVec array is used for keeping track of timer identifiers.-
63 */-
64-
65QTimerInfoList::QTimerInfoList()-
66{-
67#if (_POSIX_MONOTONIC_CLOCK-0 <= 0) && !defined(Q_OS_MAC) && !defined(Q_OS_NACL)-
68 if (!QElapsedTimer::isMonotonic()) {-
69 // not using monotonic timers, initialize the timeChanged() machinery-
70 previousTime = qt_gettime();-
71-
72 tms unused;-
73 previousTicks = times(&unused);-
74-
75 ticksPerSecond = sysconf(_SC_CLK_TCK);-
76 msPerTick = 1000/ticksPerSecond;-
77 } else {-
78 // detected monotonic timers-
79 previousTime.tv_sec = previousTime.tv_nsec = 0;-
80 previousTicks = 0;-
81 ticksPerSecond = 0;-
82 msPerTick = 0;-
83 }-
84#endif-
85-
86 firstTimerInfo = 0;-
87}-
88-
89timespec QTimerInfoList::updateCurrentTime()-
90{-
91 return (currentTime = qt_gettime());-
92}-
93-
94#if ((_POSIX_MONOTONIC_CLOCK-0 <= 0) && !defined(Q_OS_MAC) && !defined(Q_OS_INTEGRITY)) || defined(QT_BOOTSTRAPPED)-
95-
96timespec qAbsTimespec(const timespec &t)-
97{-
98 timespec tmp = t;-
99 if (tmp.tv_sec < 0) {-
100 tmp.tv_sec = -tmp.tv_sec - 1;-
101 tmp.tv_nsec -= 1000000000;-
102 }-
103 if (tmp.tv_sec == 0 && tmp.tv_nsec < 0) {-
104 tmp.tv_nsec = -tmp.tv_nsec;-
105 }-
106 return normalizedTimespec(tmp);-
107}-
108-
109/*-
110 Returns \c true if the real time clock has changed by more than 10%-
111 relative to the processor time since the last time this function was-
112 called. This presumably means that the system time has been changed.-
113-
114 If /a delta is nonzero, delta is set to our best guess at how much the system clock was changed.-
115*/-
116bool QTimerInfoList::timeChanged(timespec *delta)-
117{-
118#ifdef Q_OS_NACL-
119 Q_UNUSED(delta)-
120 return false; // Calling "times" crashes.-
121#endif-
122 struct tms unused;-
123 clock_t currentTicks = times(&unused);-
124-
125 clock_t elapsedTicks = currentTicks - previousTicks;-
126 timespec elapsedTime = currentTime - previousTime;-
127-
128 timespec elapsedTimeTicks;-
129 elapsedTimeTicks.tv_sec = elapsedTicks / ticksPerSecond;-
130 elapsedTimeTicks.tv_nsec = (((elapsedTicks * 1000) / ticksPerSecond) % 1000) * 1000 * 1000;-
131-
132 timespec dummy;-
133 if (!delta)-
134 delta = &dummy;-
135 *delta = elapsedTime - elapsedTimeTicks;-
136-
137 previousTicks = currentTicks;-
138 previousTime = currentTime;-
139-
140 // If tick drift is more than 10% off compared to realtime, we assume that the clock has-
141 // been set. Of course, we have to allow for the tick granularity as well.-
142 timespec tickGranularity;-
143 tickGranularity.tv_sec = 0;-
144 tickGranularity.tv_nsec = msPerTick * 1000 * 1000;-
145 return elapsedTimeTicks < ((qAbsTimespec(*delta) - tickGranularity) * 10);-
146}-
147-
148/*-
149 repair broken timer-
150*/-
151void QTimerInfoList::timerRepair(const timespec &diff)-
152{-
153 // repair all timers-
154 for (int i = 0; i < size(); ++i) {-
155 QTimerInfo *t = at(i);-
156 t->timeout = t->timeout + diff;-
157 }-
158}-
159-
160void QTimerInfoList::repairTimersIfNeeded()-
161{-
162 if (QElapsedTimer::isMonotonic())-
163 return;-
164 timespec delta;-
165 if (timeChanged(&delta))-
166 timerRepair(delta);-
167}-
168-
169#else // !(_POSIX_MONOTONIC_CLOCK-0 <= 0) && !defined(QT_BOOTSTRAPPED)-
170-
171void QTimerInfoList::repairTimersIfNeeded()-
172{-
173}-
174-
175#endif-
176-
177/*-
178 insert timer info into list-
179*/-
180void QTimerInfoList::timerInsert(QTimerInfo *ti)-
181{-
182 int index = size();-
183 while (index--) {-
184 const QTimerInfo * const t = at(index);-
185 if (!(ti->timeout < t->timeout))-
186 break;-
187 }-
188 insert(index+1, ti);-
189}-
190-
191inline timespec &operator+=(timespec &t1, int ms)-
192{-
193 t1.tv_sec += ms / 1000;-
194 t1.tv_nsec += ms % 1000 * 1000 * 1000;-
195 return normalizedTimespec(t1);-
196}-
197-
198inline timespec operator+(const timespec &t1, int ms)-
199{-
200 timespec t2 = t1;-
201 return t2 += ms;-
202}-
203-
204static timespec roundToMillisecond(timespec val)-
205{-
206 // always round up-
207 // worst case scenario is that the first trigger of a 1-ms timer is 0.999 ms late-
208-
209 int ns = val.tv_nsec % (1000 * 1000);-
210 val.tv_nsec += 1000 * 1000 - ns;-
211 return normalizedTimespec(val);-
212}-
213-
214#ifdef QTIMERINFO_DEBUG-
215QDebug operator<<(QDebug s, timeval tv)-
216{-
217 QDebugStateSaver saver(s);-
218 s.nospace() << tv.tv_sec << "." << qSetFieldWidth(6) << qSetPadChar(QChar(48)) << tv.tv_usec << reset;-
219 return s;-
220}-
221QDebug operator<<(QDebug s, Qt::TimerType t)-
222{-
223 QDebugStateSaver saver(s);-
224 s << (t == Qt::PreciseTimer ? "P" :-
225 t == Qt::CoarseTimer ? "C" : "VC");-
226 return s;-
227}-
228#endif-
229-
230static void calculateCoarseTimerTimeout(QTimerInfo *t, timespec currentTime)-
231{-
232 // The coarse timer works like this:-
233 // - interval under 40 ms: round to even-
234 // - between 40 and 99 ms: round to multiple of 4-
235 // - otherwise: try to wake up at a multiple of 25 ms, with a maximum error of 5%-
236 //-
237 // We try to wake up at the following second-fraction, in order of preference:-
238 // 0 ms-
239 // 500 ms-
240 // 250 ms or 750 ms-
241 // 200, 400, 600, 800 ms-
242 // other multiples of 100-
243 // other multiples of 50-
244 // other multiples of 25-
245 //-
246 // The objective is to make most timers wake up at the same time, thereby reducing CPU wakeups.-
247-
248 uint interval = uint(t->interval);-
249 uint msec = uint(t->timeout.tv_nsec) / 1000 / 1000;-
250 Q_ASSERT(interval >= 20);-
251-
252 // Calculate how much we can round and still keep within 5% error-
253 uint absMaxRounding = interval / 20;-
254-
255 if (interval < 100 && interval != 25 && interval != 50 && interval != 75) {-
256 // special mode for timers of less than 100 ms-
257 if (interval < 50) {-
258 // round to even-
259 // round towards multiples of 50 ms-
260 bool roundUp = (msec % 50) >= 25;-
261 msec >>= 1;-
262 msec |= uint(roundUp);-
263 msec <<= 1;-
264 } else {-
265 // round to multiple of 4-
266 // round towards multiples of 100 ms-
267 bool roundUp = (msec % 100) >= 50;-
268 msec >>= 2;-
269 msec |= uint(roundUp);-
270 msec <<= 2;-
271 }-
272 } else {-
273 uint min = qMax<int>(0, msec - absMaxRounding);-
274 uint max = qMin(1000u, msec + absMaxRounding);-
275-
276 // find the boundary that we want, according to the rules above-
277 // extra rules:-
278 // 1) whatever the interval, we'll take any round-to-the-second timeout-
279 if (min == 0) {-
280 msec = 0;-
281 goto recalculate;-
282 } else if (max == 1000) {-
283 msec = 1000;-
284 goto recalculate;-
285 }-
286-
287 uint wantedBoundaryMultiple;-
288-
289 // 2) if the interval is a multiple of 500 ms and > 5000 ms, we'll always round-
290 // towards a round-to-the-second-
291 // 3) if the interval is a multiple of 500 ms, we'll round towards the nearest-
292 // multiple of 500 ms-
293 if ((interval % 500) == 0) {-
294 if (interval >= 5000) {-
295 msec = msec >= 500 ? max : min;-
296 goto recalculate;-
297 } else {-
298 wantedBoundaryMultiple = 500;-
299 }-
300 } else if ((interval % 50) == 0) {-
301 // 4) same for multiples of 250, 200, 100, 50-
302 uint mult50 = interval / 50;-
303 if ((mult50 % 4) == 0) {-
304 // multiple of 200-
305 wantedBoundaryMultiple = 200;-
306 } else if ((mult50 % 2) == 0) {-
307 // multiple of 100-
308 wantedBoundaryMultiple = 100;-
309 } else if ((mult50 % 5) == 0) {-
310 // multiple of 250-
311 wantedBoundaryMultiple = 250;-
312 } else {-
313 // multiple of 50-
314 wantedBoundaryMultiple = 50;-
315 }-
316 } else {-
317 wantedBoundaryMultiple = 25;-
318 }-
319-
320 uint base = msec / wantedBoundaryMultiple * wantedBoundaryMultiple;-
321 uint middlepoint = base + wantedBoundaryMultiple / 2;-
322 if (msec < middlepoint)-
323 msec = qMax(base, min);-
324 else-
325 msec = qMin(base + wantedBoundaryMultiple, max);-
326 }-
327-
328recalculate:-
329 if (msec == 1000u) {-
330 ++t->timeout.tv_sec;-
331 t->timeout.tv_nsec = 0;-
332 } else {-
333 t->timeout.tv_nsec = msec * 1000 * 1000;-
334 }-
335-
336 if (t->timeout < currentTime)-
337 t->timeout += interval;-
338}-
339-
340static void calculateNextTimeout(QTimerInfo *t, timespec currentTime)-
341{-
342 switch (t->timerType) {-
343 case Qt::PreciseTimer:-
344 case Qt::CoarseTimer:-
345 t->timeout += t->interval;-
346 if (t->timeout < currentTime) {-
347 t->timeout = currentTime;-
348 t->timeout += t->interval;-
349 }-
350#ifdef QTIMERINFO_DEBUG-
351 t->expected += t->interval;-
352 if (t->expected < currentTime) {-
353 t->expected = currentTime;-
354 t->expected += t->interval;-
355 }-
356#endif-
357 if (t->timerType == Qt::CoarseTimer)-
358 calculateCoarseTimerTimeout(t, currentTime);-
359 return;-
360-
361 case Qt::VeryCoarseTimer:-
362 // we don't need to take care of the microsecond component of t->interval-
363 t->timeout.tv_sec += t->interval;-
364 if (t->timeout.tv_sec <= currentTime.tv_sec)-
365 t->timeout.tv_sec = currentTime.tv_sec + t->interval;-
366#ifdef QTIMERINFO_DEBUG-
367 t->expected.tv_sec += t->interval;-
368 if (t->expected.tv_sec <= currentTime.tv_sec)-
369 t->expected.tv_sec = currentTime.tv_sec + t->interval;-
370#endif-
371 return;-
372 }-
373-
374#ifdef QTIMERINFO_DEBUG-
375 if (t->timerType != Qt::PreciseTimer)-
376 qDebug() << "timer" << t->timerType << hex << t->id << dec << "interval" << t->interval-
377 << "originally expected at" << t->expected << "will fire at" << t->timeout-
378 << "or" << (t->timeout - t->expected) << "s late";-
379#endif-
380}-
381-
382/*-
383 Returns the time to wait for the next timer, or null if no timers-
384 are waiting.-
385*/-
386bool QTimerInfoList::timerWait(timespec &tm)-
387{-
388 timespec currentTime = updateCurrentTime();-
389 repairTimersIfNeeded();-
390-
391 // Find first waiting timer not already active-
392 QTimerInfo *t = 0;-
393 for (QTimerInfoList::const_iterator it = constBegin(); it != constEnd(); ++it) {-
394 if (!(*it)->activateRef) {-
395 t = *it;-
396 break;-
397 }-
398 }-
399-
400 if (!t)-
401 return false;-
402-
403 if (currentTime < t->timeout) {-
404 // time to wait-
405 tm = roundToMillisecond(t->timeout - currentTime);-
406 } else {-
407 // no time to wait-
408 tm.tv_sec = 0;-
409 tm.tv_nsec = 0;-
410 }-
411-
412 return true;-
413}-
414-
415/*-
416 Returns the timer's remaining time in milliseconds with the given timerId, or-
417 null if there is nothing left. If the timer id is not found in the list, the-
418 returned value will be -1. If the timer is overdue, the returned value will be 0.-
419*/-
420int QTimerInfoList::timerRemainingTime(int timerId)-
421{-
422 timespec currentTime = updateCurrentTime();-
423 repairTimersIfNeeded();-
424 timespec tm = {0, 0};-
425-
426 for (int i = 0; i < count(); ++i) {-
427 QTimerInfo *t = at(i);-
428 if (t->id == timerId) {-
429 if (currentTime < t->timeout) {-
430 // time to wait-
431 tm = roundToMillisecond(t->timeout - currentTime);-
432 return tm.tv_sec*1000 + tm.tv_nsec/1000/1000;-
433 } else {-
434 return 0;-
435 }-
436 }-
437 }-
438-
439#ifndef QT_NO_DEBUG-
440 qWarning("QTimerInfoList::timerRemainingTime: timer id %i not found", timerId);-
441#endif-
442-
443 return -1;-
444}-
445-
446void QTimerInfoList::registerTimer(int timerId, int interval, Qt::TimerType timerType, QObject *object)-
447{-
448 QTimerInfo *t = new QTimerInfo;-
449 t->id = timerId;-
450 t->interval = interval;-
451 t->timerType = timerType;-
452 t->obj = object;-
453 t->activateRef = 0;-
454-
455 timespec expected = updateCurrentTime() + interval;-
456-
457 switch (timerType) {-
458 case Qt::PreciseTimer:-
459 // high precision timer is based on millisecond precision-
460 // so no adjustment is necessary-
461 t->timeout = expected;-
462 break;-
463-
464 case Qt::CoarseTimer:-
465 // this timer has up to 5% coarseness-
466 // so our boundaries are 20 ms and 20 s-
467 // below 20 ms, 5% inaccuracy is below 1 ms, so we convert to high precision-
468 // above 20 s, 5% inaccuracy is above 1 s, so we convert to VeryCoarseTimer-
469 if (interval >= 20000) {-
470 t->timerType = Qt::VeryCoarseTimer;-
471 // fall through-
472 } else {-
473 t->timeout = expected;-
474 if (interval <= 20) {-
475 t->timerType = Qt::PreciseTimer;-
476 // no adjustment is necessary-
477 } else if (interval <= 20000) {-
478 calculateCoarseTimerTimeout(t, currentTime);-
479 }-
480 break;-
481 }-
482 // fall through-
483 case Qt::VeryCoarseTimer:-
484 // the very coarse timer is based on full second precision,-
485 // so we keep the interval in seconds (round to closest second)-
486 t->interval /= 500;-
487 t->interval += 1;-
488 t->interval >>= 1;-
489 t->timeout.tv_sec = currentTime.tv_sec + t->interval;-
490 t->timeout.tv_nsec = 0;-
491-
492 // if we're past the half-second mark, increase the timeout again-
493 if (currentTime.tv_nsec > 500*1000*1000)-
494 ++t->timeout.tv_sec;-
495 }-
496-
497 timerInsert(t);-
498-
499#ifdef QTIMERINFO_DEBUG-
500 t->expected = expected;-
501 t->cumulativeError = 0;-
502 t->count = 0;-
503 if (t->timerType != Qt::PreciseTimer)-
504 qDebug() << "timer" << t->timerType << hex <<t->id << dec << "interval" << t->interval << "expected at"-
505 << t->expected << "will fire first at" << t->timeout;-
506#endif-
507}-
508-
509bool QTimerInfoList::unregisterTimer(int timerId)-
510{-
511 // set timer inactive-
512 for (int i = 0; i < count(); ++i) {-
513 QTimerInfo *t = at(i);-
514 if (t->id == timerId) {-
515 // found it-
516 removeAt(i);-
517 if (t == firstTimerInfo)-
518 firstTimerInfo = 0;-
519 if (t->activateRef)-
520 *(t->activateRef) = 0;-
521 delete t;-
522 return true;-
523 }-
524 }-
525 // id not found-
526 return false;-
527}-
528-
529bool QTimerInfoList::unregisterTimers(QObject *object)-
530{-
531 if (isEmpty())-
532 return false;-
533 for (int i = 0; i < count(); ++i) {-
534 QTimerInfo *t = at(i);-
535 if (t->obj == object) {-
536 // object found-
537 removeAt(i);-
538 if (t == firstTimerInfo)-
539 firstTimerInfo = 0;-
540 if (t->activateRef)-
541 *(t->activateRef) = 0;-
542 delete t;-
543 // move back one so that we don't skip the new current item-
544 --i;-
545 }-
546 }-
547 return true;-
548}-
549-
550QList<QAbstractEventDispatcher::TimerInfo> QTimerInfoList::registeredTimers(QObject *object) const-
551{-
552 QList<QAbstractEventDispatcher::TimerInfo> list;-
553 for (int i = 0; i < count(); ++i) {-
554 const QTimerInfo * const t = at(i);-
555 if (t->obj == object) {-
556 list << QAbstractEventDispatcher::TimerInfo(t->id,-
557 (t->timerType == Qt::VeryCoarseTimer-
558 ? t->interval * 1000-
559 : t->interval),-
560 t->timerType);-
561 }-
562 }-
563 return list;-
564}-
565-
566/*-
567 Activate pending timers, returning how many where activated.-
568*/-
569int QTimerInfoList::activateTimers()-
570{-
571 if (qt_disable_lowpriority_timers || isEmpty())
qt_disable_lowpriority_timersDescription
TRUEnever evaluated
FALSEevaluated 46109 times by 115 tests
Evaluated by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • ...
isEmpty()Description
TRUEevaluated 16 times by 8 tests
Evaluated by:
  • tst_QGraphicsEffect
  • tst_QGraphicsItem
  • tst_QGraphicsLayout
  • tst_QGraphicsProxyWidget
  • tst_QGraphicsScene
  • tst_QGraphicsSceneIndex
  • tst_QGraphicsWidget
  • tst_QStateMachine
FALSEevaluated 46093 times by 115 tests
Evaluated by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • ...
0-46109
572 return 0; // nothing to do
executed 16 times by 8 tests: return 0;
Executed by:
  • tst_QGraphicsEffect
  • tst_QGraphicsItem
  • tst_QGraphicsLayout
  • tst_QGraphicsProxyWidget
  • tst_QGraphicsScene
  • tst_QGraphicsSceneIndex
  • tst_QGraphicsWidget
  • tst_QStateMachine
16
573-
574 int n_act = 0, maxCount = 0;-
575 firstTimerInfo = 0;-
576-
577 timespec currentTime = updateCurrentTime();-
578 // qDebug() << "Thread" << QThread::currentThreadId() << "woken up at" << currentTime;-
579 repairTimersIfNeeded();-
580-
581-
582 // Find out how many timer have expired-
583 for (QTimerInfoList::const_iterator it = constBegin(); it != constEnd(); ++it) {
it != constEnd()Description
TRUEevaluated 61199 times by 115 tests
Evaluated by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • ...
FALSEevaluated 34728 times by 82 tests
Evaluated by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QApplication
  • tst_QCalendarWidget
  • tst_QColumnView
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialogButtonBox
  • tst_QEventLoop
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • tst_QFtp
  • tst_QGraphicsAnchorLayout
  • tst_QGraphicsEffect
  • tst_QGraphicsEffectSource
  • tst_QGraphicsGridLayout
  • tst_QGraphicsItem
  • tst_QGraphicsLayout
  • tst_QGraphicsLinearLayout
  • ...
34728-61199
584 if (currentTime < (*it)->timeout)
currentTime < (*it)->timeoutDescription
TRUEevaluated 11365 times by 79 tests
Evaluated by:
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QDialog
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • tst_QFiledialog
  • tst_QFontDialog
  • tst_QFtp
  • tst_QGraphicsEffect
  • tst_QGraphicsEffectSource
  • tst_QGraphicsItem
  • tst_QGraphicsLayout
  • ...
FALSEevaluated 49834 times by 115 tests
Evaluated by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • ...
11365-49834
585 break;
executed 11365 times by 79 tests: break;
Executed by:
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QDialog
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • tst_QFiledialog
  • tst_QFontDialog
  • tst_QFtp
  • tst_QGraphicsEffect
  • tst_QGraphicsEffectSource
  • tst_QGraphicsItem
  • tst_QGraphicsLayout
  • ...
11365
586 maxCount++;-
587 }
executed 49834 times by 115 tests: end of block
Executed by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • ...
49834
588-
589 //fire the timers.-
590 while (maxCount--) {
maxCount--Description
TRUEevaluated 49770 times by 115 tests
Evaluated by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • ...
FALSEevaluated 45933 times by 115 tests
Evaluated by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • ...
45933-49770
591 if (isEmpty())
isEmpty()Description
TRUEnever evaluated
FALSEevaluated 49770 times by 115 tests
Evaluated by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • ...
0-49770
592 break;
never executed: break;
0
593-
594 QTimerInfo *currentTimerInfo = firstconstFirst();-
595 if (currentTime < currentTimerInfo->timeout)
currentTime < ...rInfo->timeoutDescription
TRUEevaluated 159 times by 17 tests
Evaluated by:
  • tst_QAbstractItemView
  • tst_QAccessibility
  • tst_QCalendarWidget
  • tst_QComboBox
  • tst_QCompleter
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFiledialog
  • tst_QGraphicsProxyWidget
  • tst_QHeaderView
  • tst_QListView
  • tst_QSortFilterProxyModel
  • tst_QTableView
  • tst_QTimer
  • tst_QTreeView
  • tst_QTreeWidget
  • tst_languageChange
FALSEevaluated 49611 times by 115 tests
Evaluated by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • ...
159-49611
596 break; // no timer has expired
executed 159 times by 17 tests: break;
Executed by:
  • tst_QAbstractItemView
  • tst_QAccessibility
  • tst_QCalendarWidget
  • tst_QComboBox
  • tst_QCompleter
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFiledialog
  • tst_QGraphicsProxyWidget
  • tst_QHeaderView
  • tst_QListView
  • tst_QSortFilterProxyModel
  • tst_QTableView
  • tst_QTimer
  • tst_QTreeView
  • tst_QTreeWidget
  • tst_languageChange
159
597-
598 if (!firstTimerInfo) {
!firstTimerInfoDescription
TRUEevaluated 49461 times by 115 tests
Evaluated by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • ...
FALSEevaluated 150 times by 16 tests
Evaluated by:
  • tst_QColumnView
  • tst_QDialog
  • tst_QFileSystemWatcher
  • tst_QFiledialog
  • tst_QGraphicsGridLayout
  • tst_QGraphicsItem
  • tst_QGraphicsProxyWidget
  • tst_QGraphicsView
  • tst_QGraphicsWidget
  • tst_QItemDelegate
  • tst_QMainWindow
  • tst_QPainter
  • tst_QTimer
  • tst_QTouchEvent
  • tst_QTreeWidget
  • tst_QWidget
150-49461
599 firstTimerInfo = currentTimerInfo;-
600 } else if (firstTimerInfo == currentTimerInfo) {
executed 49461 times by 115 tests: end of block
Executed by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • ...
firstTimerInfo...rrentTimerInfoDescription
TRUEnever evaluated
FALSEevaluated 150 times by 16 tests
Evaluated by:
  • tst_QColumnView
  • tst_QDialog
  • tst_QFileSystemWatcher
  • tst_QFiledialog
  • tst_QGraphicsGridLayout
  • tst_QGraphicsItem
  • tst_QGraphicsProxyWidget
  • tst_QGraphicsView
  • tst_QGraphicsWidget
  • tst_QItemDelegate
  • tst_QMainWindow
  • tst_QPainter
  • tst_QTimer
  • tst_QTouchEvent
  • tst_QTreeWidget
  • tst_QWidget
0-49461
601 // avoid sending the same timer multiple times-
602 break;
never executed: break;
0
603 } else if (currentTimerInfo->interval < firstTimerInfo->interval
currentTimerIn...Info->intervalDescription
TRUEevaluated 44 times by 6 tests
Evaluated by:
  • tst_QColumnView
  • tst_QFileSystemWatcher
  • tst_QFiledialog
  • tst_QMainWindow
  • tst_QTreeWidget
  • tst_QWidget
FALSEevaluated 106 times by 11 tests
Evaluated by:
  • tst_QDialog
  • tst_QGraphicsGridLayout
  • tst_QGraphicsItem
  • tst_QGraphicsProxyWidget
  • tst_QGraphicsView
  • tst_QGraphicsWidget
  • tst_QItemDelegate
  • tst_QMainWindow
  • tst_QPainter
  • tst_QTimer
  • tst_QTouchEvent
44-106
604 || currentTimerInfo->interval == firstTimerInfo->interval) {
currentTimerIn...Info->intervalDescription
TRUEevaluated 68 times by 9 tests
Evaluated by:
  • tst_QDialog
  • tst_QGraphicsGridLayout
  • tst_QGraphicsItem
  • tst_QGraphicsProxyWidget
  • tst_QGraphicsView
  • tst_QGraphicsWidget
  • tst_QPainter
  • tst_QTimer
  • tst_QTouchEvent
FALSEevaluated 38 times by 3 tests
Evaluated by:
  • tst_QItemDelegate
  • tst_QMainWindow
  • tst_QTimer
38-68
605 firstTimerInfo = currentTimerInfo;-
606 }
executed 112 times by 15 tests: end of block
Executed by:
  • tst_QColumnView
  • tst_QDialog
  • tst_QFileSystemWatcher
  • tst_QFiledialog
  • tst_QGraphicsGridLayout
  • tst_QGraphicsItem
  • tst_QGraphicsProxyWidget
  • tst_QGraphicsView
  • tst_QGraphicsWidget
  • tst_QMainWindow
  • tst_QPainter
  • tst_QTimer
  • tst_QTouchEvent
  • tst_QTreeWidget
  • tst_QWidget
112
607-
608 // remove from list-
609 removeFirst();-
610-
611#ifdef QTIMERINFO_DEBUG-
612 float diff;-
613 if (currentTime < currentTimerInfo->expected) {-
614 // early-
615 timeval early = currentTimerInfo->expected - currentTime;-
616 diff = -(early.tv_sec + early.tv_usec / 1000000.0);-
617 } else {-
618 timeval late = currentTime - currentTimerInfo->expected;-
619 diff = late.tv_sec + late.tv_usec / 1000000.0;-
620 }-
621 currentTimerInfo->cumulativeError += diff;-
622 ++currentTimerInfo->count;-
623 if (currentTimerInfo->timerType != Qt::PreciseTimer)-
624 qDebug() << "timer" << currentTimerInfo->timerType << hex << currentTimerInfo->id << dec << "interval"-
625 << currentTimerInfo->interval << "firing at" << currentTime-
626 << "(orig" << currentTimerInfo->expected << "scheduled at" << currentTimerInfo->timeout-
627 << ") off by" << diff << "activation" << currentTimerInfo->count-
628 << "avg error" << (currentTimerInfo->cumulativeError / currentTimerInfo->count);-
629#endif-
630-
631 // determine next timeout time-
632 calculateNextTimeout(currentTimerInfo, currentTime);-
633-
634 // reinsert timer-
635 timerInsert(currentTimerInfo);-
636 if (currentTimerInfo->interval > 0)
currentTimerInfo->interval > 0Description
TRUEevaluated 5710 times by 90 tests
Evaluated by:
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • tst_QFiledialog
  • tst_QFontDialog
  • tst_QFtp
  • tst_QGraphicsItem
  • ...
FALSEevaluated 43901 times by 58 tests
Evaluated by:
  • tst_Gestures
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAccessibility
  • tst_QCalendarWidget
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCompleter
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFiledialog
  • tst_QFontDialog
  • tst_QGraphicsAnchorLayout
  • tst_QGraphicsEffect
  • tst_QGraphicsEffectSource
  • tst_QGraphicsGridLayout
  • tst_QGraphicsItem
  • tst_QGraphicsLayout
  • tst_QGraphicsLinearLayout
  • tst_QGraphicsProxyWidget
  • tst_QGraphicsScene
  • tst_QGraphicsSceneIndex
  • ...
5710-43901
637 n_act++;
executed 5710 times by 90 tests: n_act++;
Executed by:
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • tst_QFiledialog
  • tst_QFontDialog
  • tst_QFtp
  • tst_QGraphicsItem
  • ...
5710
638-
639 if (!currentTimerInfo->activateRef) {
!currentTimerInfo->activateRefDescription
TRUEevaluated 49574 times by 115 tests
Evaluated by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • ...
FALSEevaluated 37 times by 1 test
Evaluated by:
  • tst_QTimer
37-49574
640 // send event, but don't allow it to recurse-
641 currentTimerInfo->activateRef = &currentTimerInfo;-
642-
643 QTimerEvent e(currentTimerInfo->id);-
644 QCoreApplication::sendEvent(currentTimerInfo->obj, &e);-
645-
646 if (currentTimerInfo)
currentTimerInfoDescription
TRUEevaluated 16554 times by 57 tests
Evaluated by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QApplication
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCompleter
  • tst_QDialog
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • tst_QFiledialog
  • tst_QGraphicsAnchorLayout
  • tst_QGraphicsEffect
  • tst_QGraphicsEffectSource
  • tst_QGraphicsGridLayout
  • tst_QGraphicsItem
  • tst_QGraphicsLayout
  • tst_QGraphicsLinearLayout
  • tst_QGraphicsProxyWidget
  • tst_QGraphicsScene
  • tst_QGraphicsSceneIndex
  • ...
FALSEevaluated 33019 times by 106 tests
Evaluated by:
  • tst_Gestures
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFiledialog
  • tst_QFontDialog
  • tst_QFtp
  • ...
16554-33019
647 currentTimerInfo->activateRef = 0;
executed 16554 times by 57 tests: currentTimerInfo->activateRef = 0;
Executed by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QApplication
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCompleter
  • tst_QDialog
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • tst_QFiledialog
  • tst_QGraphicsAnchorLayout
  • tst_QGraphicsEffect
  • tst_QGraphicsEffectSource
  • tst_QGraphicsGridLayout
  • tst_QGraphicsItem
  • tst_QGraphicsLayout
  • tst_QGraphicsLinearLayout
  • tst_QGraphicsProxyWidget
  • tst_QGraphicsScene
  • tst_QGraphicsSceneIndex
  • ...
16554
648 }
executed 49573 times by 115 tests: end of block
Executed by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • ...
49573
649 }
executed 49610 times by 115 tests: end of block
Executed by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • ...
49610
650-
651 firstTimerInfo = 0;-
652 // qDebug() << "Thread" << QThread::currentThreadId() << "activated" << n_act << "timers";-
653 return n_act;
executed 46092 times by 115 tests: return n_act;
Executed by:
  • tst_Gestures
  • tst_QAbstractAnimation
  • tst_QAbstractButton
  • tst_QAbstractItemView
  • tst_QAbstractScrollArea
  • tst_QAbstractSlider
  • tst_QAccessibility
  • tst_QApplication
  • tst_QButtonGroup
  • tst_QCalendarWidget
  • tst_QColorDialog
  • tst_QColumnView
  • tst_QComboBox
  • tst_QCommandLinkButton
  • tst_QCompleter
  • tst_QCoreApplication
  • tst_QDBusAbstractInterface
  • tst_QDBusMarshall
  • tst_QDialog
  • tst_QDialogButtonBox
  • tst_QEventDispatcher
  • tst_QEventLoop
  • tst_QFileDialog2
  • tst_QFileSystemModel
  • tst_QFileSystemWatcher
  • ...
46092
654}-
655-
656QT_END_NAMESPACE-
Source codeSwitch to Preprocessed file
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