[lwip-devel] [task #10370] Raw API: Callback for received FIN to confirm connection is closed

[Simon Goldschmidt]

Follow-up Comment #7, task #10370 (project lwip):

> [..]but the abort callback my mislead the application

Do you mean the 'err' callback? If so, just set it back to NULL: lwIP's TCP
is currently designed to always call the callbacks as long as the pcb lives,
no matter which state it is in (e.g. when the pcb is removed from TIME_WAIT
because the stack ran out of new pcbs, the err callback will be called, too).

Besides, for a correct implementation of SO_LINGER, the err callback *must*
be called after tcp_close if a RST is received.

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