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Corinna Vinschen wrote:
I was just looking into applying your patch when I got thinking over the change in select.cc once more. You're setting the connect_state from connect_pending to connected there when there's something to read on the socket. This puzzles me. A completed connection attempt should set the write_selected flag (see function peek_socket).
No, peek_socket() does not change write_selected. It sets write_read if write_selected is set.
The AF_LOCAL handling in the if (me->write_selected && me->write_ready) case in set_bits should cover this. What situation is your special case covering which is not already covered by the write_selected case?
If only read status is requested via select()/poll(), write_selected is always false and the connect_pending=>connected transition is never done.
After a nonblocking connect(), postfix calls poll() with pollfd.events = POLLIN only. If poll() succeeds, it calls recv(). This fails with ENOTCONN because the state is still connect_pending.
Christian
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