* nsterm.m (hold_event): Set send_appdefined to YES.

(ns_select): Return at once if events are held (Bug#12834).

src/ChangeLog

+2012-11-17  Jan Djärv  <jan.h.d@swipnet.se>
+
+	* nsterm.m (hold_event): Set send_appdefined to YES (Bug#12834).
+	(ns_select): Return at once if events are held (Bug#12834).
+
 2012-11-16  enami tsugutomo  <tsugutomo.enami@jp.sony.com>
 
 	* unexelf.c (ELFSIZE) [__NetBSD__ && _LP64]: Set to 64.

src/nsterm.m

@@ -314,6 +314,7 @@ Updated by Christian Limpach (chris@nice.ch)
   hold_event_q.q[hold_event_q.nr++] = *event;
   /* Make sure ns_read_socket is called, i.e. we have input.  */
   kill (0, SIGIO);
+  send_appdefined = YES;
 }
 
 static Lisp_Object
@@ -3445,6 +3446,14 @@ overwriting cursor (usually when cursor on a tab) */
 
 /*  NSTRACE (ns_select); */
 
+  if (hold_event_q.nr > 0) 
+    {
+      /* We already have events pending. */
+      kill (0, SIGIO);
+      errno = EINTR;
+      return -1;
+    }
+
   for (k = 0; k < nfds+1; k++)
     {
       if (readfds && FD_ISSET(k, readfds)) ++nr;