SimpleAsynchronousFileChannelImpl implRead() and implWrite() fail for named pipes

[Jeffrey Shaw]

Hello,
I want to perform asynchronous reads and writes on named pipes in a
non-Windows environment. Named pipes are not seekable.
sun.nio.ch.IOUtil.read() and write() appear to have special behavior
defined for when position = -1 that does not involve seeking.
Unfortunately, sun.nio.ch.SimpleAsynchronousFileChannelImpl readImpl() and
writeImpl() both throw exceptions if position < -1, even though position =
-1 is both allowed by the IOUtil functions and required for use with named
pipes.

Is this a bug I or someone else can file?

I haven't checked WindowsAsynchronousFileChannelImpl for the same problem.

Thanks,
Jeff
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