Hi Expert,
Regarding the folwoing code,
Is there a reason that keepalive timer does not protect from half-close
socket (e.g. other side crash after this step)?
example
C S
FIN->
<-ACK
server crash here, the Client is not protected by keepalive
<-FIN
->ACK
I think that this condition should be removed.
"tp->t_state <= TCPS_CLOSIN "
if ((tcp_always_keepalive ||
inp->inp_socket->so_options & SO_KEEPALIVE) &&
tp->t_state <= TCPS_CLOSING) {
thanks
Hanoh
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