avoid Errno::EAGAIN, harder

Errno::EAGAIN is still a problem under Ruby 1.9.2, so try harder
to avoid it and use kgio methods.  Even when 1.9.3 is available,
kgio will still be faster as exceptions are slower than normal
return values.

1 files changed, 0 insertions, 13 deletions

diff --git a/lib/rainbows/fiber/base.rb b/lib/rainbows/fiber/base.rb
index b7c4ce5..69bf5d9 100644
--- a/lib/rainbows/fiber/base.rb
+++ b/lib/rainbows/fiber/base.rb
@@ -56,19 +56,6 @@ module Rainbows::Fiber::Base
     max.nil? || max > (now + 1) ? 1 : max - now
   end
 
-  def wait_headers_readable(client)
-    io = client.to_io
-    expire = nil
-    begin
-      return io.recv_nonblock(1, Socket::MSG_PEEK)
-    rescue Errno::EAGAIN
-      return if expire && expire < Time.now
-      expire ||= Time.now + G.kato
-      client.wait_readable
-      retry
-    end
-  end
-
   def process(client)
     G.cur += 1
     process_client(client)