[lwip-devel] [bug #16830] err_tcp() posts to connection mailbox when no pend on the mailbox is active

[Jonathan Larmour]

Follow-up Comment #6, bug #16830 (project lwip):

Hmm, yes I guess the problem isn't what I thought it was. The thread won't
get stuck, but it means that a packet may arrive and be processed by the
tcpip thread, but then after that, the tcpip thread will get the message from
the program thread anyway to, for example, send data, which it will then try
and do even though an error had been indicated for this connection.

Maybe this sort of race condition is unavoidable, and not harmful, though.


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