From a087cfe4049292b726a5fea34f552ad86b44c2ae Mon Sep 17 00:00:00 2001
From: Volker Hilsheimer <volker.hilsheimer@nokia.com>
Date: Tue, 20 Apr 2010 18:04:22 +0200
Subject: Document that QFileSystemWatcher needs to be destroyed before
 ~QCoreApp

Fixes: QT-3305
Rev-By: Denis
---
 src/corelib/io/qfilesystemwatcher.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/corelib/io/qfilesystemwatcher.cpp b/src/corelib/io/qfilesystemwatcher.cpp
index 00af3fd..18c3c9f 100644
--- a/src/corelib/io/qfilesystemwatcher.cpp
+++ b/src/corelib/io/qfilesystemwatcher.cpp
@@ -426,6 +426,11 @@ QFileSystemWatcher::QFileSystemWatcher(const QStringList &paths, QObject *parent
 
 /*!
     Destroys the file system watcher.
+
+    \note To avoid deadlocks on shutdown, all instances of QFileSystemWatcher
+    need to be destroyed before QCoreApplication. Note that passing
+    QCoreApplication::instance() as the parent object when creating
+    QFileSystemWatcher is not sufficient.
 */
 QFileSystemWatcher::~QFileSystemWatcher()
 {
-- 
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