Since I put my hands on dovecot, I had this recuring problem at startup:

Imap-login would'nt connect to the 'default' socket. I've been strugling with the fact that it would eventually connect on a slow or moderely fast machine but not on a really fast machine.

According to Unixware doc, the FIRST connect ALWAYS returns -1 and errno=EINPROGRESS

AFAICT, imap loop is like this:

while (1) connect if no error bu EINPROGRESS send_handshake if successfull break; end while

Now, I think the time between connect and send_handshake might be too short for async connect to finish in most case.

I recognize is a Unixware probleme but I think this senario can happen on any system that CAN set errno to EINPROGRESS.

I think the two possibilities are 1 - remove the setting of NONBLOCK before connecting to unix sock, but that would ruin the way dovecot is written. 2 - add a poll or a select before send_handshake to be sure the socket is writable.

The third way would be to tell unixware users to disable async connects methink would be a pitta.

What do you think?

-- Olivier PRENANT Tel: +33-5-61-50-97-00 (Work) 15, Chemin des Monges +33-5-61-50-97-01 (Fax) 31190 AUTERIVE +33-6-07-63-80-64 (GSM) FRANCE Email: ohp@pyrenet.fr

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