pplied Sanders appendtag patch

event.c

@@ -4,6 +4,7 @@
  */
 #include "dwm.h"
 #include <stdlib.h>
+#include <unistd.h>
 #include <X11/keysym.h>
 #include <X11/Xatom.h>
 
@@ -360,6 +361,11 @@ grabkeys()
 	unsigned int i;
 	KeyCode code;
 
+	while(XGrabKeyboard(dpy, root, True, GrabModeAsync,
+			 GrabModeAsync, CurrentTime) != GrabSuccess)
+		usleep(1000);
+	XUngrabKeyboard(dpy, CurrentTime);
+
 	for(i = 0; i < len; i++) {
 		code = XKeysymToKeycode(dpy, key[i].keysym);
 		XGrabKey(dpy, code, key[i].mod, root, True,