[lwip-devel] [bug #20021] conn->sem is only signaled one-way

[Simon Goldschmidt]

Follow-up Comment #29, bug #20021 (project lwip):

OK, checked it in:
- tcp_close doesn't care for the return value of tcp_output
- therefore, do_close_internal can call tcp_output until this returns ERR_OK,
in which case the connection is regarded as closed and conn->pcb is set to
NULL.

Frédéric and others interested, would you please check if this is OK now?

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