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Corinna Vinschen 140029a099 Cygwin: tcp: Support TCP_KEEPIDLE, TCP_KEEPCNT, TCP_KEEPINTVL
Use WSAIoctl(SIO_KEEPALIVE_VALS) on older systems.

Make sure that keep-alive timeout is equivalent to
TCP_KEEPIDLE + TCP_KEEPCNT * TCP_KEEPINTVL on older systems,
even with TCP_KEEPCNT being a fixed value on those systems.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2020-10-14 10:54:21 -04:00
..
2017-03-08 17:49:08 +00:00