Quick question, wondering if anyone knew what the limit is for SO_RCVBUF under Windows.
Quick question, wondering if anyone knew what the limit is for SO_RCVBUF under Windows.
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Quick question, wondering if anyone knew what the limit is for SO_RCVBUF under Windows.
SO_RCVBUF in winsock is not limited by the TCP window size. At least for pre-Vista stacks. It would be limited by non-paged pool availability, which is a whole different topic. So you can make it quite big, if you want to.
Obligatory unsolicited advice: If you are using a large buffer because you are receiving infrequently, I would look into asynchronous I/O with events/select/completion ports.