1 files changed, 6 insertions, 1 deletions
diff --git a/src/corelib/io/qfilesystemwatcher_fsevents.cpp b/src/corelib/io/qfilesystemwatcher_fsevents.cpp
index 3e0aee89c..cb276b795 100644
--- a/src/corelib/io/qfilesystemwatcher_fsevents.cpp
+++ b/src/corelib/io/qfilesystemwatcher_fsevents.cpp
@@ -422,9 +422,12 @@ void QFSEventsFileSystemWatcherEngine::fseventsCallback(ConstFSEventStreamRef ,
 void QFSEventsFileSystemWatcherEngine::stop()
 {
 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
+    QMutexLocker locker(&mutex);
     stopFSStream(fsStream);
-    if (threadsRunLoop)
+    if (threadsRunLoop) {
         CFRunLoopStop(threadsRunLoop);
+        waitForStop.wait(&mutex);
+    }
 #endif
 }
 
@@ -461,6 +464,8 @@ void QFSEventsFileSystemWatcherEngine::run()
     // immediately.
     CFRunLoopRun();
     threadsRunLoop = 0;
+    QMutexLocker locker(&mutex);
+    waitForStop.wakeAll();
 #endif
 }