avoid leaks if app uses Rainbows::Fiber::IO

For the very rare apps out there using Rainbows::Fiber::IO, the
FiberSpawn and FiberPool (but not RevFiberSpawn) models could
leak memory if the app-created Rainbows::Fiber::IO objects
were dereferenced without being removed from the RD/WR hashes.

1 files changed, 1 insertions, 3 deletions

diff --git a/lib/rainbows/fiber/base.rb b/lib/rainbows/fiber/base.rb
index c65b07b..b731947 100644
--- a/lib/rainbows/fiber/base.rb
+++ b/lib/rainbows/fiber/base.rb
@@ -103,10 +103,8 @@ module Rainbows
         Error.write(io, e)
       ensure
         G.cur -= 1
-        RD.delete(client)
-        WR.delete(client)
         ZZ.delete(client.f)
-        io.close unless io.closed?
+        client.close
       end
 
     end