I've just checked in some changes in the server code. SIGHUPs are now handled correctly. Oleg and Aaron, please test and confirm if you don't mind. If this works out, 2.1.4 can be released later this week.
Aaron Stone wrote: > On Mon, 2006-02-27 at 12:28 +0300, Oleg Lapshin wrote: > >>Hello >> >>And again, troubles with "address already in use" > > > Got it! If I hit the parent process with lots of fast SIGHUPs, I can > cause it to die, but leave children that look like parents: > > nobody 30203 1 0 09:25 /usr/local/sbin/dbmail-imapd > nobody 30205 1 0 09:25 /usr/local/sbin/dbmail-imapd > > Both of those processes think that they're the parent (parent id 1) and > neither have any children. Both are handling connections normally. > Trying to open a third connection does not work. > > [snip] > >>imap4.c,IMAPClientHandler: Finished command uid [0] >>main(): server has exited, exit status [1] > > > This is the parent process reporting that a child exited with a signal. > The parent then continues in its fork loop, keeping the right number of > children available. Except here that's not happening. > > Reading the code here, and this is Paul's neck of the woods, so I may > well be misunderstanding things, is that at the bottom of the loop the > socket is closed, then at the top of the loop the socket is reopened and > another child is forked and waited on. If that socket could not be > opened, then the process dies (see server.c, dm_bind_and_listen). > > So I think that it's the parent process here that's somehow lost > ownership of the socket and so the parent dies but the children stick > around (because their parent is now 1? or is that a sympton?) > > Aaron > > > ------------------------------------------------------------------------ > > _______________________________________________ > Dbmail-dev mailing list > [email protected] > http://twister.fastxs.net/mailman/listinfo/dbmail-dev -- ________________________________________________________________ Paul Stevens paul at nfg.nl NET FACILITIES GROUP GPG/PGP: 1024D/11F8CD31 The Netherlands________________________________http://www.nfg.nl
