server: Don't set the idle event when a queue is destroyed, instead return…

dlls/user32/message.c

@@ -3338,7 +3338,7 @@ DWORD WINAPI WaitForInputIdle( HANDLE hProcess, DWORD dwTimeOut )
         switch (ret)
         {
         case WAIT_OBJECT_0:
-            return WAIT_FAILED;
+            return 0;
         case WAIT_OBJECT_0+2:
             process_sent_messages();
             break;

server/process.c

@@ -634,6 +634,11 @@ static void process_killed( struct process *process )
     if (handles) release_object( handles );
     process->winstation = 0;
     process->desktop = 0;
+    if (process->idle_event)
+    {
+        release_object( process->idle_event );
+        process->idle_event = NULL;
+    }
 
     /* close the console attached to this process, if any */
     free_console( process );

server/queue.c

@@ -298,12 +298,6 @@ void free_msg_queue( struct thread *thread )
     {
         release_object( process->queue );
         process->queue = NULL;
-        if (process->idle_event)
-        {
-            set_event( process->idle_event );
-            release_object( process->idle_event );
-            process->idle_event = NULL;
-        }
     }
     release_object( thread->queue );
     thread->queue = NULL;