xcb_poll_for_event: Return already-read events before read(2)ing again.

diff --git a/src/xcb_in.c b/src/xcb_in.c
index 1cb6b69..2997de4 100644 (file)
--- a/src/xcb_in.c
+++ b/src/xcb_in.c
@@ -403,7 +403,8 @@ xcb_generic_event_t *xcb_poll_for_event(xcb_connection_t *c)
     {
         _xcb_lock_io(c);
         /* FIXME: follow X meets Z architecture changes. */
-        if(_xcb_in_read(c)) /* _xcb_in_read shuts down the connection on error */
+        ret = get_event(c);
+        if(!ret && _xcb_in_read(c)) /* _xcb_in_read shuts down the connection on error */
             ret = get_event(c);
         _xcb_unlock_io(c);
     }