Improving perf of FileChannel.transferTo() on Windows

Kirk Shoop (MS OPEN TECH) Kirk.Shoop at
Wed Nov 5 17:50:24 UTC 2014

From: nio-dev [mailto:nio-dev-bounces at] On Behalf Of Kirk Shoop (MS OPEN TECH)

From: Alan Bateman [mailto:Alan.Bateman at]
. . .
Are you going to update the patch to only use this path when the SocketChannel is configured blocking?
Yes, we will post a new webrev when we have changed the code to only apply to blocking sockets.

Here is the new webrev.

We also tried to apply what we learned from the previous submission, so this one uses "" as the setting name, allows to enable the setting and adds a test that uses the setting.


Microsoft Open Technologies, Inc.
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