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49 lines
1.7 KiB
49 lines
1.7 KiB
12 years ago
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--- src/kernel/qeventloop_unix.cpp
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+++ src/kernel/qeventloop_unix.cpp
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@@ -517,6 +531,17 @@
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return (tm->tv_sec*1000) + (tm->tv_usec/1000);
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}
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+static TQString fullName(TQObject* obj)
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+{
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+ TQString oname;
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+ if (obj && obj->name())
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+ oname = TQString(obj->name()) + "(" + TQString(obj->className()) + ")";
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+
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+ if (obj && obj->parent())
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+ return fullName(obj->parent()) + "/" + oname;
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+ return oname;
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+}
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+
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int TQEventLoop::activateTimers()
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{
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if ( !timerList || !timerList->count() ) // no timers
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@@ -552,9 +577,27 @@
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t->timeout += t->interval;
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if ( t->timeout < currentTime )
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t->timeout = currentTime + t->interval;
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+ // prefer system clock ticks for low resolution timers
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+ // to save cpu power
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+ if (t->interval.tv_sec * 1000 + t->interval.tv_usec / 1000 >= 1000) {
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+ timeval drift;
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+ drift.tv_sec = 0;
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+ drift.tv_usec = (t->interval.tv_usec / 8) + (t->interval.tv_sec % 8) * 1000 * 1000 / 8;
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+ timeval synced = t->timeout + drift;
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+ if (synced.tv_usec < 2 * drift.tv_usec)
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+ synced.tv_usec = 0;
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+ t->timeout = synced;
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+ }
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insertTimer( t ); // relink timer
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if ( t->interval.tv_usec > 0 || t->interval.tv_sec > 0 )
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n_act++;
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+
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+ if (t->obj && getenv("TQT_DEBUG_TIMER"))
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+ qDebug("qtimer: %ld/%s %d ms for %p/%s %s",
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+ getpid(), qApp && qApp->name() ? qApp->name() : "",
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+ t->interval.tv_sec * 1000 + t->interval.tv_usec / 1000,
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+ t->obj, fullName(t->obj).latin1(), t->obj->className());
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+
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TQTimerEvent e( t->id );
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TQApplication::sendEvent( t->obj, &e ); // send event
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if ( timerList->findRef( begin ) == -1 )
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