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-rw-r--r--lib/unicorn/const.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/unicorn/const.rb b/lib/unicorn/const.rb
index b81dce0..9dcf031 100644
--- a/lib/unicorn/const.rb
+++ b/lib/unicorn/const.rb
@@ -24,12 +24,14 @@ module Unicorn
     # common errors we'll send back
     ERROR_400_RESPONSE = "HTTP/1.1 400 Bad Request\r\n\r\n".freeze
     ERROR_500_RESPONSE = "HTTP/1.1 500 Internal Server Error\r\n\r\n".freeze
+    EXPECT_100_RESPONSE = "HTTP/1.1 100 Continue\r\n\r\n"
 
     # A frozen format for this is about 15% faster
     HTTP_TRANSFER_ENCODING = 'HTTP_TRANSFER_ENCODING'.freeze
     CONTENT_LENGTH="CONTENT_LENGTH".freeze
     REMOTE_ADDR="REMOTE_ADDR".freeze
     HTTP_X_FORWARDED_FOR="HTTP_X_FORWARDED_FOR".freeze
+    HTTP_EXPECT="HTTP_EXPECT".freeze
     RACK_INPUT="rack.input".freeze
     STREAM_INPUT="unicorn.stream_input".freeze
   end