RFR: 8308593: Add Keepalive Extended Socket Options Support for Windows [v2]

[Alan Bateman]

On Wed, 19 Jul 2023 16:55:28 GMT, Michael McMahon <michaelm at openjdk.org> wrote:

> I think it is right to change the `errno` to `WSAGetLastError`. There is an errno.h in VC++ which must be getting included indirectly. It is used in hotspot. But, we shouldn't be using it in the networking code.

Right, WSAGetLastError should be used with Windows Sockets, not errno.

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PR Comment: https://git.openjdk.org/jdk/pull/14232#issuecomment-1643854397