diff options
Diffstat (limited to 'src/corelib/kernel/qtimerinfo_unix.cpp')
-rw-r--r-- | src/corelib/kernel/qtimerinfo_unix.cpp | 84 |
1 files changed, 42 insertions, 42 deletions
diff --git a/src/corelib/kernel/qtimerinfo_unix.cpp b/src/corelib/kernel/qtimerinfo_unix.cpp index 7a29247fc5..0e33fa697a 100644 --- a/src/corelib/kernel/qtimerinfo_unix.cpp +++ b/src/corelib/kernel/qtimerinfo_unix.cpp @@ -77,7 +77,7 @@ QTimerInfoList::QTimerInfoList() msPerTick = 1000/ticksPerSecond; } else { // detected monotonic timers - previousTime.tv_sec = previousTime.tv_usec = 0; + previousTime.tv_sec = previousTime.tv_nsec = 0; previousTicks = 0; ticksPerSecond = 0; msPerTick = 0; @@ -87,24 +87,24 @@ QTimerInfoList::QTimerInfoList() firstTimerInfo = 0; } -timeval QTimerInfoList::updateCurrentTime() +timespec QTimerInfoList::updateCurrentTime() { return (currentTime = qt_gettime()); } #if ((_POSIX_MONOTONIC_CLOCK-0 <= 0) && !defined(Q_OS_MAC) && !defined(Q_OS_INTEGRITY)) || defined(QT_BOOTSTRAPPED) -timeval qAbsTimeval(const timeval &t) +timespec qAbsTimespec(const timespec &t) { - timeval tmp = t; + timespec tmp = t; if (tmp.tv_sec < 0) { tmp.tv_sec = -tmp.tv_sec - 1; - tmp.tv_usec -= 1000000; + tmp.tv_nsec -= 1000000000; } - if (tmp.tv_sec == 0 && tmp.tv_usec < 0) { - tmp.tv_usec = -tmp.tv_usec; + if (tmp.tv_sec == 0 && tmp.tv_nsec < 0) { + tmp.tv_nsec = -tmp.tv_nsec; } - return normalizedTimeval(tmp); + return normalizedTimespec(tmp); } /* @@ -114,7 +114,7 @@ timeval qAbsTimeval(const timeval &t) If /a delta is nonzero, delta is set to our best guess at how much the system clock was changed. */ -bool QTimerInfoList::timeChanged(timeval *delta) +bool QTimerInfoList::timeChanged(timespec *delta) { #ifdef Q_OS_NACL Q_UNUSED(delta) @@ -124,13 +124,13 @@ bool QTimerInfoList::timeChanged(timeval *delta) clock_t currentTicks = times(&unused); clock_t elapsedTicks = currentTicks - previousTicks; - timeval elapsedTime = currentTime - previousTime; + timespec elapsedTime = currentTime - previousTime; - timeval elapsedTimeTicks; + timespec elapsedTimeTicks; elapsedTimeTicks.tv_sec = elapsedTicks / ticksPerSecond; - elapsedTimeTicks.tv_usec = (((elapsedTicks * 1000) / ticksPerSecond) % 1000) * 1000; + elapsedTimeTicks.tv_nsec = (((elapsedTicks * 1000) / ticksPerSecond) % 1000) * 1000 * 1000; - timeval dummy; + timespec dummy; if (!delta) delta = &dummy; *delta = elapsedTime - elapsedTimeTicks; @@ -140,16 +140,16 @@ bool QTimerInfoList::timeChanged(timeval *delta) // If tick drift is more than 10% off compared to realtime, we assume that the clock has // been set. Of course, we have to allow for the tick granularity as well. - timeval tickGranularity; + timespec tickGranularity; tickGranularity.tv_sec = 0; - tickGranularity.tv_usec = msPerTick * 1000; - return elapsedTimeTicks < ((qAbsTimeval(*delta) - tickGranularity) * 10); + tickGranularity.tv_nsec = msPerTick * 1000 * 1000; + return elapsedTimeTicks < ((qAbsTimespec(*delta) - tickGranularity) * 10); } /* repair broken timer */ -void QTimerInfoList::timerRepair(const timeval &diff) +void QTimerInfoList::timerRepair(const timespec &diff) { // repair all timers for (int i = 0; i < size(); ++i) { @@ -162,7 +162,7 @@ void QTimerInfoList::repairTimersIfNeeded() { if (QElapsedTimer::isMonotonic()) return; - timeval delta; + timespec delta; if (timeChanged(&delta)) timerRepair(delta); } @@ -189,27 +189,27 @@ void QTimerInfoList::timerInsert(QTimerInfo *ti) insert(index+1, ti); } -inline timeval &operator+=(timeval &t1, int ms) +inline timespec &operator+=(timespec &t1, int ms) { t1.tv_sec += ms / 1000; - t1.tv_usec += ms % 1000 * 1000; - return normalizedTimeval(t1); + t1.tv_nsec += ms % 1000 * 1000 * 1000; + return normalizedTimespec(t1); } -inline timeval operator+(const timeval &t1, int ms) +inline timespec operator+(const timespec &t1, int ms) { - timeval t2 = t1; + timespec t2 = t1; return t2 += ms; } -static timeval roundToMillisecond(timeval val) +static timespec roundToMillisecond(timespec val) { // always round up // worst case scenario is that the first trigger of a 1-ms timer is 0.999 ms late - int us = val.tv_usec % 1000; - val.tv_usec += 1000 - us; - return normalizedTimeval(val); + int ns = val.tv_nsec % (1000 * 1000); + val.tv_nsec += 1000 * 1000 - ns; + return normalizedTimespec(val); } #ifdef QTIMERINFO_DEBUG @@ -226,7 +226,7 @@ QDebug operator<<(QDebug s, Qt::TimerType t) } #endif -static void calculateCoarseTimerTimeout(QTimerInfo *t, timeval currentTime) +static void calculateCoarseTimerTimeout(QTimerInfo *t, timespec currentTime) { // The coarse timer works like this: // - interval under 40 ms: round to even @@ -245,7 +245,7 @@ static void calculateCoarseTimerTimeout(QTimerInfo *t, timeval currentTime) // The objective is to make most timers wake up at the same time, thereby reducing CPU wakeups. register uint interval = uint(t->interval); - register uint msec = uint(t->timeout.tv_usec) / 1000; + register uint msec = uint(t->timeout.tv_nsec) / 1000 / 1000; Q_ASSERT(interval >= 20); // Calculate how much we can round and still keep within 5% error @@ -327,16 +327,16 @@ static void calculateCoarseTimerTimeout(QTimerInfo *t, timeval currentTime) recalculate: if (msec == 1000u) { ++t->timeout.tv_sec; - t->timeout.tv_usec = 0; + t->timeout.tv_nsec = 0; } else { - t->timeout.tv_usec = msec * 1000; + t->timeout.tv_nsec = msec * 1000 * 1000; } if (t->timeout < currentTime) t->timeout += interval; } -static void calculateNextTimeout(QTimerInfo *t, timeval currentTime) +static void calculateNextTimeout(QTimerInfo *t, timespec currentTime) { switch (t->timerType) { case Qt::PreciseTimer: @@ -382,9 +382,9 @@ static void calculateNextTimeout(QTimerInfo *t, timeval currentTime) Returns the time to wait for the next timer, or null if no timers are waiting. */ -bool QTimerInfoList::timerWait(timeval &tm) +bool QTimerInfoList::timerWait(timespec &tm) { - timeval currentTime = updateCurrentTime(); + timespec currentTime = updateCurrentTime(); repairTimersIfNeeded(); // Find first waiting timer not already active @@ -405,7 +405,7 @@ bool QTimerInfoList::timerWait(timeval &tm) } else { // no time to wait tm.tv_sec = 0; - tm.tv_usec = 0; + tm.tv_nsec = 0; } return true; @@ -418,9 +418,9 @@ bool QTimerInfoList::timerWait(timeval &tm) */ int QTimerInfoList::timerRemainingTime(int timerId) { - timeval currentTime = updateCurrentTime(); + timespec currentTime = updateCurrentTime(); repairTimersIfNeeded(); - timeval tm = {0, 0}; + timespec tm = {0, 0}; for (int i = 0; i < count(); ++i) { register QTimerInfo *t = at(i); @@ -428,7 +428,7 @@ int QTimerInfoList::timerRemainingTime(int timerId) if (currentTime < t->timeout) { // time to wait tm = roundToMillisecond(t->timeout - currentTime); - return tm.tv_sec*1000 + tm.tv_usec/1000; + return tm.tv_sec*1000 + tm.tv_nsec/1000/1000; } else { return 0; } @@ -451,7 +451,7 @@ void QTimerInfoList::registerTimer(int timerId, int interval, Qt::TimerType time t->obj = object; t->activateRef = 0; - timeval expected = updateCurrentTime() + interval; + timespec expected = updateCurrentTime() + interval; switch (timerType) { case Qt::PreciseTimer: @@ -486,10 +486,10 @@ void QTimerInfoList::registerTimer(int timerId, int interval, Qt::TimerType time t->interval += 1; t->interval >>= 1; t->timeout.tv_sec = currentTime.tv_sec + t->interval; - t->timeout.tv_usec = 0; + t->timeout.tv_nsec = 0; // if we're past the half-second mark, increase the timeout again - if (currentTime.tv_usec > 500*1000) + if (currentTime.tv_nsec > 500*1000*1000) ++t->timeout.tv_sec; } @@ -573,7 +573,7 @@ int QTimerInfoList::activateTimers() int n_act = 0, maxCount = 0; firstTimerInfo = 0; - timeval currentTime = updateCurrentTime(); + timespec currentTime = updateCurrentTime(); // qDebug() << "Thread" << QThread::currentThreadId() << "woken up at" << currentTime; repairTimersIfNeeded(); |