Make QFileSystemWatcherEngines children of QFileSystemWatcher

To support moving QFileSystemWatcher to another thread, the engines need
to follow when the watcher is moved. The easiest way to do this is by
parenting the engines to the watcher.

Change-Id: Ie2bb701c0c148da9cc2302d4de23286b8ef42c4d
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/src/corelib/io/qfilesystemwatcher_p.h b/src/corelib/io/qfilesystemwatcher_p.h
index 0f1032c445..9f403b308f 100644
--- a/src/corelib/io/qfilesystemwatcher_p.h
+++ b/src/corelib/io/qfilesystemwatcher_p.h
@@ -68,7 +68,8 @@ class QFileSystemWatcherEngine : public QObject
     Q_OBJECT
 
 protected:
-    inline QFileSystemWatcherEngine()
+    inline QFileSystemWatcherEngine(QObject *parent)
+        : QObject(parent)
     {
     }
 
@@ -94,7 +95,7 @@ class QFileSystemWatcherPrivate : public QObjectPrivate
 {
     Q_DECLARE_PUBLIC(QFileSystemWatcher)
 
-    static QFileSystemWatcherEngine *createNativeEngine();
+    static QFileSystemWatcherEngine *createNativeEngine(QObject *parent);
 
 public:
     QFileSystemWatcherPrivate();