I'm maintaining some code which use Windows socket to send data to TCP client.
I saw WSASend is only called once. But the wireshark captured data shows 2 duplicate tries was made when time out.
I wonder, does WSASend implement a retry in itself?
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[TCP](https://en.wikipedia.org/wiki/Transmission_Control_Protocol) itself have some retries built-in, depending on the problem. – Some programmer dude Feb 13 '20 at 08:32
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I doubted that. I think the retry is implemented by the caller, not in CWinSocket::WSASend itself. – Wason Feb 13 '20 at 10:45