socket:tcp_listen/2

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Predicate tcp_listen/2

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ext
- clib

tcp_listen(+SocketId, +BackLog) is det: Tells, after tcp_bind/2, the socket to listen for incoming requests for connections. Backlog indicates how many pending connection requests are allowed. Pending requests are requests that are not yet acknowledged using tcp_accept/3. If the indicated number is exceeded, the requesting client will be signalled that the service is currently not available. A commonly used default value for Backlog is 5.