[lwip-devel] [bug #19157] lwip_close problems

[Frédéric Bernon]

Follow-up Comment #23, bug #19157 (project lwip):

Ok, I will try to provide a trace + a network capture to show the problem...

About SO_LINGER/SO_DONTLINGER, I would like to be sure what is the official
BSD behavior, and how current lwIP should work (or work):

1/ close with SO_DONTLINGER: calling thread is not blocked, and end of
transmission is done in background.

2/ close with SO_LINGER with a 0 interval, calling thread is not blocked but
pending datas are trashed.

3/ close with SO_LINGER with a interval > 0, calling thread is blocked during
"interval" max delay, or until end of transmission.

So, If I understand what you say, lwIP behavior should be 1/, right?


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