[jdk11u-dev] RFR: 8308593: Add KEEPALIVE Extended Socket Options Support for Windows

[Goetz Lindenmaier]

On Fri, 10 Nov 2023 20:04:31 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 are the differences from the original patch in order to get this backport working for 11u:
> 
> make/lib/Lib-jdk.net.gmk -- Updated this script to support building extnet for Windows.
> 
> src/jdk.net/share/classes/jdk/net/ExtendedSocketOptions.java -- Added a case to support returning an instance of WindowsSocketOptions in PlatformSocketOptions.
> 
> src/java.base/windows/classes/java/net/PlainSocketImpl.java -- The Windows PlainSocketImpl class will need to have similar setOption/getOption methods as the Unix PlainSocketImpl class to support setting these extended socket options for Windows.
> 
> Backport passed against Tier 1 tests and was manually verified to be working on Windows.

Hi @tkyc,
please only label for approval if you have a review, i.e. the change is ready to be integrated.
Did you make sure all relevant tests did run? Tier1 is only a basic sanity check.

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PR Comment: https://git.openjdk.org/jdk11u-dev/pull/2278#issuecomment-1807588404