[lwip-devel] [task #7525] Implement TCP listen backlog

[Jonathan Larmour]

Follow-up Comment #8, task #7525 (project lwip):

It looks like Frederic was saying what I was thinking of pretty much. It
seems like much less code.

tcp_accepted() could probably be a macro, for now at least.

Although I'm not sure why we would change do_recv()? Can't we just call
tcp_accepted() from accept_function() ?

Of course we need to document tcp_accepted() for raw API users. But existing
raw API users are unaffected - it only matters if they set LWIP_LISTEN_BACKLOG
(although I'm sure it's best to have it defined as:
#if LWIP_LISTEN_BACKLOG
# define tcp_accepted(pcb) ((pcb)->to_accept--)
#else
# define tcp_accepted(pcb) /* NOTHING */
#endif
for API consistency).


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