lib/clockwork/manager.rb in clockwork-2.0.1 vs lib/clockwork/manager.rb in clockwork-2.0.2

@@ -64,10 +64,10 @@
     def run
       log "Starting clock for #{@events.size} events: [ #{@events.map(&:to_s).join(' ')} ]"
 
       sig_read, sig_write = IO.pipe
 
-      %w[INT TERM HUP].each do |sig|
+      (%w[INT TERM HUP] & Signal.list.keys).each do |sig|
         trap sig do
           sig_write.puts(sig)
         end
       end