lib/resque/scheduler/signal_handling.rb in resque-scheduler-4.2.0 vs lib/resque/scheduler/signal_handling.rb in resque-scheduler-4.2.1

@@ -11,10 +11,10 @@
 
       # For all signals, set the shutdown flag and wait for current
       # poll/enqueing to finish (should be almost instant).  In the
       # case of sleeping, exit immediately.
       def register_signal_handlers
-        %w(INT TERM USR1 USR2 QUIT).each do |sig|
+        (Signal.list.keys & %w(INT TERM USR1 USR2 QUIT)).each do |sig|
           trap(sig) do
             signal_queue << sig
             # break sleep in the primary scheduler thread, alowing
             # the signal queue to get processed as soon as possible.
             @th.wakeup if @th && @th.alive?