add global Unicorn.listener_names method

This is useful as a :listeners argument when setting up
Raindrops::Middleware (http://raindrops.bogomips.org/),
as it can be done automatically.

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/unicorn/socket_helper.rb b/lib/unicorn/socket_helper.rb
index 09085e5..9a4266d 100644
--- a/lib/unicorn/socket_helper.rb
+++ b/lib/unicorn/socket_helper.rb
@@ -136,6 +136,8 @@ module Unicorn
       end
     end
 
+    module_function :sock_name
+
     # casts a given Socket to be a TCPServer or UNIXServer
     def server_cast(sock)
       begin