8212132: (dc) Remove DatagramChannelImpl finalize method

[Alan Bateman]

On 23/10/2019 19:21, Martin Buchholz wrote:
>
> :
>
> One possible safety idiom is to consistently have a static method 
> returning a lambda (and don't pass in this!) , e.g.
>
> private static Runnable cleanerFor(FileDescriptor fd) { return () -> 
> ...; }
The cleaner is on the channel, the cleaning action is to close its file 
descriptor, so we need the reference to the channel.

-Alan.
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