5 files changed, 7 insertions, 8 deletions
diff --git a/src/corelib/kernel/qcoreapplication.h b/src/corelib/kernel/qcoreapplication.h
index b4d83414ae..a886c9d1d2 100644
--- a/src/corelib/kernel/qcoreapplication.h
+++ b/src/corelib/kernel/qcoreapplication.h
@@ -139,7 +139,7 @@ public:
 
     static QString applicationDirPath();
     static QString applicationFilePath();
-    static qint64 applicationPid();
+    static qint64 applicationPid() Q_DECL_CONST_FUNCTION;
 
 #if QT_CONFIG(library)
     static void setLibraryPaths(const QStringList &);
diff --git a/src/corelib/kernel/qeventdispatcher_win.cpp b/src/corelib/kernel/qeventdispatcher_win.cpp
index 569fbc2796..bbd442d570 100644
--- a/src/corelib/kernel/qeventdispatcher_win.cpp
+++ b/src/corelib/kernel/qeventdispatcher_win.cpp
@@ -942,7 +942,8 @@ void QEventDispatcherWin32::activateEventNotifiers()
     for (int i = d->winEventNotifierList.count(); --i >= 0;) {
         QWinEventNotifier *notifier = d->winEventNotifierList.at(i);
         QWinEventNotifierPrivate *nd = QWinEventNotifierPrivate::get(notifier);
-        if (WaitForSingleObject(nd->handleToEvent, 0) == WAIT_OBJECT_0) {
+        if (nd->signaledCount.load() != 0) {
+            --nd->signaledCount;
             nd->unregisterWaitObject();
             d->activateEventNotifier(notifier);
         }
diff --git a/src/corelib/kernel/qtimer.h b/src/corelib/kernel/qtimer.h
index 1a65e6298d..d41573264f 100644
--- a/src/corelib/kernel/qtimer.h
+++ b/src/corelib/kernel/qtimer.h
@@ -165,37 +165,31 @@ Q_SIGNALS:
 
 public:
 #if QT_HAS_INCLUDE(<chrono>) || defined(Q_QDOC)
-    Q_ALWAYS_INLINE
     void setInterval(std::chrono::milliseconds value)
     {
         setInterval(int(value.count()));
     }
 
-    Q_ALWAYS_INLINE
     std::chrono::milliseconds intervalAsDuration() const
     {
         return std::chrono::milliseconds(interval());
     }
 
-    Q_ALWAYS_INLINE
     std::chrono::milliseconds remainingTimeAsDuration() const
     {
         return std::chrono::milliseconds(remainingTime());
     }
 
-    Q_ALWAYS_INLINE
     static void singleShot(std::chrono::milliseconds value, const QObject *receiver, const char *member)
     {
         singleShot(int(value.count()), receiver, member);
     }
 
-    Q_ALWAYS_INLINE
     static void singleShot(std::chrono::milliseconds value, Qt::TimerType timerType, const QObject *receiver, const char *member)
     {
         singleShot(int(value.count()), timerType, receiver, member);
     }
 
-    Q_ALWAYS_INLINE
     void start(std::chrono::milliseconds value)
     {
         start(int(value.count()));
diff --git a/src/corelib/kernel/qwineventnotifier.cpp b/src/corelib/kernel/qwineventnotifier.cpp
index 6bfa6ca729..362111a2c8 100644
--- a/src/corelib/kernel/qwineventnotifier.cpp
+++ b/src/corelib/kernel/qwineventnotifier.cpp
@@ -157,6 +157,7 @@ void QWinEventNotifier::setHandle(HANDLE hEvent)
     Q_D(QWinEventNotifier);
     setEnabled(false);
     d->handleToEvent = hEvent;
+    d->signaledCount = 0;
 }
 
 /*!
@@ -254,6 +255,7 @@ static void CALLBACK wfsoCallback(void *context, BOOLEAN /*ignore*/)
     QAbstractEventDispatcher *eventDispatcher = nd->threadData->eventDispatcher.load();
     QEventDispatcherWin32Private *edp = QEventDispatcherWin32Private::get(
                 static_cast<QEventDispatcherWin32 *>(eventDispatcher));
+    ++nd->signaledCount;
     SetEvent(edp->winEventNotifierActivatedEvent);
 }
 
diff --git a/src/corelib/kernel/qwineventnotifier_p.h b/src/corelib/kernel/qwineventnotifier_p.h
index bddeaaf134..8bb2c3159a 100644
--- a/src/corelib/kernel/qwineventnotifier_p.h
+++ b/src/corelib/kernel/qwineventnotifier_p.h
@@ -54,6 +54,7 @@
 #include "qwineventnotifier.h"
 
 #include <private/qobject_p.h>
+#include <QtCore/qatomic.h>
 #include <QtCore/qt_windows.h>
 
 QT_BEGIN_NAMESPACE
@@ -73,6 +74,7 @@ public:
 
     HANDLE handleToEvent;
     HANDLE waitHandle = NULL;
+    QAtomicInt signaledCount;
     bool enabled;
 };