[pschweitzer] 75349: [SHELL32] In case a FSD doesn't support directory changes notifications, don't try to requeue a notification each time it returns 0 data. Just quit instead. CORE-13549

Author: pschweitzer
Date: Sat Jul 15 07:48:47 2017
New Revision: 75349

URL: http://svn.reactos.org/svn/reactos?rev=75349&view=rev
Log:
[SHELL32]
In case a FSD doesn't support directory changes notifications, don't try to
requeue a notification each time it returns 0 data.
Just quit instead.

CORE-13549

Modified:
    trunk/reactos/dll/win32/shell32/wine/changenotify.c

Modified: trunk/reactos/dll/win32/shell32/wine/changenotify.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/wine/cha…
==============================================================================
--- trunk/reactos/dll/win32/shell32/wine/changenotify.c	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/shell32/wine/changenotify.c	[iso-8859-1] Sat Jul 15 07:48:47
2017
@@ -735,6 +735,15 @@
     {
         InterlockedIncrement(&item->pParent->wQueuedCount);
     }
+
+    /* If the FSD doesn't support directory change notifications, there's no
+     * no need to retry and requeue notification
+     */
+    if (dwErrorCode == ERROR_INVALID_FUNCTION)
+    {
+        WARN("Directory watching not supported\n");
+        goto quit;
+    }
 #endif
 
     /* This likely means overflow, so force whole directory refresh. */