From cd8a6d6836f04f66d3e7083c97f7873240afa433 Mon Sep 17 00:00:00 2001
From: "Bradley T. Hughes" <bradley.hughes@nokia.com>
Date: Fri, 4 Jun 2010 12:53:36 +0200
Subject: Avoid timer starvation during high posted event activity

Similar to commit bc01bb10da23d0d2308cf02a16947be836bc9a21, we need to
avoid starvation of the idle time source by forcing a single, normal
priority pass after processing posted events.

Reviewed-by: ogoffart
Task-number: QT-3467
---
 src/corelib/kernel/qeventdispatcher_glib.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/corelib/kernel/qeventdispatcher_glib.cpp b/src/corelib/kernel/qeventdispatcher_glib.cpp
index fd36be4..9c1c827 100644
--- a/src/corelib/kernel/qeventdispatcher_glib.cpp
+++ b/src/corelib/kernel/qeventdispatcher_glib.cpp
@@ -246,6 +246,7 @@ struct GPostEventSource
     GSource source;
     QAtomicInt serialNumber;
     int lastSerialNumber;
+    QEventDispatcherGlibPrivate *d;
 };
 
 static gboolean postEventSourcePrepare(GSource *s, gint *timeout)
@@ -274,6 +275,7 @@ static gboolean postEventSourceDispatch(GSource *s, GSourceFunc, gpointer)
     GPostEventSource *source = reinterpret_cast<GPostEventSource *>(s);
     source->lastSerialNumber = source->serialNumber;
     QCoreApplication::sendPostedEvents();
+    source->d->runTimersOnceWithNormalPriority();
     return true; // i dunno, george...
 }
 
@@ -313,6 +315,7 @@ QEventDispatcherGlibPrivate::QEventDispatcherGlibPrivate(GMainContext *context)
     postEventSource = reinterpret_cast<GPostEventSource *>(g_source_new(&postEventSourceFuncs,
                                                                         sizeof(GPostEventSource)));
     postEventSource->serialNumber = 1;
+    postEventSource->d = this;
     g_source_set_can_recurse(&postEventSource->source, true);
     g_source_attach(&postEventSource->source, mainContext);
 
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