RFR: 8274548: (fc) FileChannel gathering write fails with IOException "Invalid argument" on macOS 11.6 [v3]

[Brian Burkhalter]

On Wed, 6 Oct 2021 21:07:35 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> On macOS, handle the case where `writev()` is given an array of `struct iovec` the sum of whose `iov_len` fields overflows `INT_MAX`.
>
> Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8274548: Remove setting position which is not needed due to using absolute put

Not affecting all platforms is why it was in the C code in the first place.

Apple indicates it was an intentional change in macOS 11.x where x >= 0. I don't know yet about 12.

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PR: https://git.openjdk.java.net/jdk/pull/5831