=== modified file 'src/atimer.c'
--- src/atimer.c	2014-05-30 04:12:08 +0000
+++ src/atimer.c	2014-07-25 13:53:31 +0000
@@ -292,7 +292,13 @@
 	  ispec.it_value = atimers->expiration;
 	  ispec.it_interval.tv_sec = ispec.it_interval.tv_nsec = 0;
 	  if (timer_settime (alarm_timer, 0, &ispec, 0) == 0)
-	    return;
+	    {
+	      fprintf (stderr, "%f: schedule alarm at %ld:%ld\n",
+		       timespectod (current_timespec ()),
+		       atimers->expiration.tv_sec,
+		       atimers->expiration.tv_nsec);
+	      return;
+	    }
 	}
 #endif
 
@@ -370,6 +376,7 @@
 static void
 handle_alarm_signal (int sig)
 {
+  fprintf (stderr, "%f: got %d\n", timespectod (current_timespec ()), sig);
   pending_signals = 1;
 }
 
@@ -379,6 +386,7 @@
 void
 do_pending_atimers (void)
 {
+  fprintf (stderr, "%f: run timers\n", timespectod (current_timespec ()));
   if (atimers)
     {
       sigset_t oldset;