commit 8e87205e2f8bd8ce8fca2eba75f7695394351f24
Author: Jeremie Koenig <jk@jk.fr.eu.org>
Date:   Wed Jul 20 02:23:13 2011 +0000

    Hurd signals: don't drop blocked ignored signals
    
    Although POSIX tolerates the current approach, it is more consistent
    to wait for ignored signals to be unblocked before we deliver them.
    
    	* hurd/hurdsig.c (post_signal): Don't drop blocked ignored signals.

diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index 67037e8..44e067c 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -859,9 +859,7 @@ post_signal (struct hurd_sigstate *ss,
     }
 
   /* Handle receipt of a blocked signal, or any signal while stopped.  */
-  if (act != ignore &&		/* Signals ignored now are forgotten now.  */
-      __sigismember (&blocked, signo) ||
-      (signo != SIGKILL && _hurd_stopped))
+  if (__sigismember (&blocked, signo) || (signo != SIGKILL && _hurd_stopped))
     {
       mark_pending ();
       act = ignore;