[lwip-devel] [bug #26309] Implement SOF_BROADCAST

[Frédéric Bernon]

Follow-up Comment #4, bug #26309 (project lwip):

Implement SOF_BROADCAST is a "new" feature which will avoid some bugs.

Using shutdown is not a so good solution, since I remember that  calling
"shutdown(sock,SHUT_RD)" will return an error on any next "recv/recvfrom"
calls, but packets continue to be enqueued: I'm sure of that with windows
system (see http://msdn.microsoft.com/en-us/library/ms740481(VS.85).aspx), but
not for linux (it's not very clear). More, "shutdown" should do some extras
operations on tcp sockets (like send a FIN after all data are sent and
acknowledged by the receiver).



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