proxy_pass: drop resources immediately on errors

We don't want to wait on GC to reap sockets on errors,
generational GC in Ruby is less aggressive about reaping
long-lived objects such as long-lived HTTP connections.

1 files changed, 6 insertions, 1 deletions

diff --git a/lib/yahns/proxy_http_response.rb b/lib/yahns/proxy_http_response.rb
index 3462e40..c5e7be5 100644
--- a/lib/yahns/proxy_http_response.rb
+++ b/lib/yahns/proxy_http_response.rb
@@ -43,7 +43,12 @@ module Yahns::HttpResponse # :nodoc:
                      Rack::Utils::HTTP_STATUS_CODES[code]}\r\n\r\n") rescue nil
 
     shutdown rescue nil
-    req_res.shutdown rescue nil
+    @input = @input.close if @input
+
+    # this is safe ONLY because we are in an :ignore state after
+    # Fdmap#forget when we got hijacked:
+    close
+
     nil # signal close of req_res from yahns_step in yahns/proxy_pass.rb
   ensure
     wbuf.wbuf_abort if wbuf