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, 4 insertions, 0 deletions

diff --git a/lib/rainbows/writer_thread_spawn.rb b/lib/rainbows/writer_thread_spawn.rb
index 691e68c..02ae0d5 100644
--- a/lib/rainbows/writer_thread_spawn.rb
+++ b/lib/rainbows/writer_thread_spawn.rb
@@ -47,6 +47,10 @@ module Rainbows
         to_io.kgio_trywrite(buf)
       end
 
+      def timed_read(buf)
+        to_io.timed_read(buf)
+      end
+
       def queue_writer
         # not using Thread.pass here because that spins the CPU during
         # I/O wait and will eat cycles from other worker processes.