[jdk17u-dev] RFR: 8308593: Add KEEPALIVE Extended Socket Options Support for Windows

[Terry Chow]

On Mon, 18 Sep 2023 18:33:42 GMT, Terry Chow <duke at openjdk.org> wrote:

> This is an unclean backport of [JDK-8308593](https://bugs.openjdk.org/browse/JDK-8308593), which provides support for the keepalive extended socket options on Windows.
> 
> The following changes were made in these files to resolve conflicts and issues:
> 1. make/modules/jdk.net/Lib.gmk -- I updated this script to support building extnet for Windows.
> 
> 2. jdk.net/share/classes/jdk/net/ExtendedSocketOptions.java -- I added a case to support returning an instance of WindowsSocketOptions in PlatformSocketOptions.
> 
> Tier 1 tests were ran and they're passing along with the existing keepalive tests. I also manually tested and confirmed the patch to be working on Windows.

~~/integrate~~ oops

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/1751#issuecomment-1769180516