Threaded models have trouble with late loading under 1.9

Loading TeeInput or HttpResponse late does not always work well
in multithreaded situations and have been causing random test
failures on heavily loaded multicore boxes.

1 files changed, 7 insertions, 1 deletions

diff --git a/lib/rainbows/http_server.rb b/lib/rainbows/http_server.rb
index c0877cd..7935105 100644
--- a/lib/rainbows/http_server.rb
+++ b/lib/rainbows/http_server.rb
@@ -47,7 +47,13 @@ module Rainbows
         raise ArgumentError, "concurrency model #{model.inspect} not supported"
       extend(mod)
       Const::RACK_DEFAULTS['rainbows.model'] = @use = model.to_sym
-      Const::RACK_DEFAULTS['rack.multithread'] = !!(/Thread/ =~ model.to_s)
+
+      if /Thread/ =~ model.to_s
+        Const::RACK_DEFAULTS['rack.multithread'] = true
+        # autoload/require is not thread-safe
+        Unicorn.constants.each { |x| Unicorn.const_get(x) }
+      end
+
       case @use
       when :Rev, :EventMachine
         Const::RACK_DEFAULTS['rainbows.autochunk'] = true