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-rw-r--r--lib/unicorn/http_server.rb8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/unicorn/http_server.rb b/lib/unicorn/http_server.rb
index aa98aeb..cc0a705 100644
--- a/lib/unicorn/http_server.rb
+++ b/lib/unicorn/http_server.rb
@@ -550,17 +550,21 @@ class Unicorn::HttpServer
   # in 3 easy steps: read request, call app, write app response
   def process_client(client)
     status, headers, body = @app.call(env = @request.read(client))
+    return if @request.hijacked?
 
     if 100 == status.to_i
       client.write(expect_100_response)
       env.delete(Unicorn::Const::HTTP_EXPECT)
       status, headers, body = @app.call(env)
+      return if @request.hijacked?
     end
     @request.headers? or headers = nil
     http_response_write(client, status, headers, body,
                         @request.response_start_sent)
-    client.shutdown # in case of fork() in Rack app
-    client.close # flush and uncork socket immediately, no keepalive
+    unless client.closed? # rack.hijack may've close this for us
+      client.shutdown # in case of fork() in Rack app
+      client.close # flush and uncork socket immediately, no keepalive
+    end
   rescue => e
     handle_error(client, e)
   end