bin/syslogstash in syslogstash-2.1.0 vs bin/syslogstash in syslogstash-2.2.0

@@ -17,18 +17,21 @@
 syslogstash = Syslogstash.new(cfg)
 
 sig_r, sig_w = IO.pipe
 
 Signal.trap("USR1") do
-	sig_w.print '1'
+  sig_w.print '1'
 end
 Signal.trap("USR2") do
-	sig_w.print '2'
+  sig_w.print '2'
 end
 Signal.trap("URG") do
-	sig_w.print 'U'
+  sig_w.print 'U'
 end
+Signal.trap("HUP") do
+  sig_w.print 'H'
+end
 
 Thread.new do
   loop do
     begin
       c = sig_r.getc
@@ -39,9 +42,12 @@
         logger.level += 1 unless logger.level == Logger::ERROR
         logger.info("SignalHandler") { "Received SIGUSR2; log level is now #{Logger::SEV_LABEL[logger.level]}." }
       elsif c == 'U'
         cfg.relay_to_stdout = !cfg.relay_to_stdout
         logger.info("SignalHandler") { "Received SIGURG; Relaying to stdout is now #{cfg.relay_to_stdout ? "enabled" : "disabled"}" }
+      elsif c== 'H'
+        logger.info("SignalHandler") { "Received SIGHUP" }
+        syslogstash.force_disconnect!
       else
         logger.error("SignalHandler") { "Got an unrecognised character from signal pipe: #{c.inspect}" }
       end
     rescue StandardError => ex
       logger.error("SignalHandler") { (["Exception raised: #{ex.message} (#{ex.class})"] + ex.backtrace).join("\n  ") }