rev/event_machine: simplify keepalive checking a bit

Since the HTTP parser is frozen during app dispatch, there's
no point in checking for HTTP keepalive sooner.  Of course we
check G.alive as late as possible since we could've received a
:QUIT signal while app.call was running.

1 files changed, 1 insertions, 2 deletions

diff --git a/lib/rainbows/rev.rb b/lib/rainbows/rev.rb
index 66f6ed1..0d8b6c9 100644
--- a/lib/rainbows/rev.rb
+++ b/lib/rainbows/rev.rb
@@ -49,10 +49,9 @@ module Rainbows
       def app_call
         begin
           (@env[RACK_INPUT] = @input).rewind
-          alive = @hp.keepalive?
           @env[REMOTE_ADDR] = @remote_addr
           response = APP.call(@env.update(RACK_DEFAULTS))
-          alive &&= G.alive
+          alive = @hp.keepalive? && G.alive
           out = [ alive ? CONN_ALIVE : CONN_CLOSE ] if @hp.headers?
 
           DeferredResponse.write(self, response, out)