From 9cfce43f19af87bc0a929b917da2901de7dbc193 Mon Sep 17 00:00:00 2001 From: Bernd Weimer Date: Thu, 3 Jan 2013 14:47:51 +0100 Subject: BlackBerry: Reevaluation of timer list in event dispatcher In the event dispatcher the timer list has to be reevaluated after each call to filterEvent, because timers could be started in event filters. Change-Id: I1a275845fb74c63441f2301555f3459f8295af27 Reviewed-by: Rafael Roquetto Reviewed-by: Sean Harmer --- src/corelib/kernel/qeventdispatcher_blackberry.cpp | 31 +++++++++++++++------- 1 file changed, 21 insertions(+), 10 deletions(-) (limited to 'src/corelib/kernel') diff --git a/src/corelib/kernel/qeventdispatcher_blackberry.cpp b/src/corelib/kernel/qeventdispatcher_blackberry.cpp index 69b4a8b172..3e958ee277 100644 --- a/src/corelib/kernel/qeventdispatcher_blackberry.cpp +++ b/src/corelib/kernel/qeventdispatcher_blackberry.cpp @@ -271,6 +271,11 @@ void QEventDispatcherBlackberry::unregisterSocketNotifier(QSocketNotifier *notif } } +static inline int timevalToMillisecs(const timeval &tv) +{ + return (tv.tv_sec * 1000) + (tv.tv_usec / 1000); +} + int QEventDispatcherBlackberry::select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, timeval *timeout) { @@ -279,9 +284,6 @@ int QEventDispatcherBlackberry::select(int nfds, fd_set *readfds, fd_set *writef BpsChannelScopeSwitcher channelSwitcher(d->bps_channel); - // Make a note of the start time - timeval startTime = qt_gettime(); - // prepare file sets for bps callback d->ioData->count = 0; d->ioData->readfds = readfds; @@ -298,15 +300,15 @@ int QEventDispatcherBlackberry::select(int nfds, fd_set *readfds, fd_set *writef if (exceptfds) FD_ZERO(exceptfds); + bps_event_t *event = 0; + unsigned int eventCount = 0; + // Convert timeout to milliseconds int timeoutTotal = -1; if (timeout) - timeoutTotal = (timeout->tv_sec * 1000) + (timeout->tv_usec / 1000); - + timeoutTotal = timevalToMillisecs(*timeout); int timeoutLeft = timeoutTotal; - - bps_event_t *event = 0; - unsigned int eventCount = 0; + timeval startTime = qt_gettime(); // This loop exists such that we can drain the bps event queue of all native events // more efficiently than if we were to return control to Qt after each event. This @@ -331,11 +333,20 @@ int QEventDispatcherBlackberry::select(int nfds, fd_set *readfds, fd_set *writef // Clock source is monotonic, so we can recalculate how much timeout is left if (timeoutTotal != -1) { timeval t2 = qt_gettime(); - timeoutLeft = timeoutTotal - ((t2.tv_sec * 1000 + t2.tv_usec / 1000) - - (startTime.tv_sec * 1000 + startTime.tv_usec / 1000)); + timeoutLeft = timeoutTotal + - (timevalToMillisecs(t2) - timevalToMillisecs(startTime)); if (timeoutLeft < 0) timeoutLeft = 0; } + + timeval tnext; + if (d->timerList.timerWait(tnext)) { + int timeoutNext = timevalToMillisecs(tnext); + if (timeoutNext < timeoutLeft || timeoutTotal == -1) { + timeoutTotal = timeoutLeft = timeoutNext; + startTime = qt_gettime(); + } + } } // Wait for event or file to be ready -- cgit v1.2.3