RFR: 8259943: FileDescriptor.close0 does not handle EINTR [v3]

[Alan Bateman]

On Thu, 21 Jan 2021 19:12:16 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> Please review this small change to handle `EINTR` from `close()` in `fileDescriptorClose()`. The function `handleGetLength()` is also changed to handle `EINTR` from `fstat64()` to match other uses of `fstat64()` in the file.
>
> Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8259943: Added unintentionally omitted EINTR check.

Marked as reviewed by alanb (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/2173