Add Falcon as recognized server

lib/new_relic/agent/agent_helpers/special_startup.rb

@@ -10,7 +10,7 @@ module SpecialStartup
         # requests, we need to wait until the children are forked
         # before connecting, otherwise the parent process sends useless data
         def using_forking_dispatcher?
-          if [:puma, :passenger, :unicorn].include?(Agent.config[:dispatcher])
+          if [:puma, :passenger, :unicorn, :falcon].include?(Agent.config[:dispatcher])
             ::NewRelic::Agent.logger.info('Deferring startup of agent reporting thread because ' \
               "#{Agent.config[:dispatcher]} may fork.")
             true

lib/new_relic/local_environment.rb

@@ -74,6 +74,7 @@ def discover_dispatcher
         unicorn
         webrick
         fastcgi
+        falcon
       ]
       while dispatchers.any? && @discovered_dispatcher.nil?
         send('check_for_' + (dispatchers.shift))
@@ -138,6 +139,12 @@ def check_for_puma
       end
     end
 
+    def check_for_falcon
+      if defined?(::Falcon::Server) && File.basename($0) == 'falcon'
+        @discovered_dispatcher = :falcon
+      end
+    end
+
     def check_for_delayed_job
       if $0 =~ /delayed_job$/ || (File.basename($0) == 'rake' && ARGV.include?('jobs:work'))
         @discovered_dispatcher = :delayed_job