From: Ivan Zakharyaschev <imz@altlinux.ru> To: ALT Devel discussion list <devel@altlinux.ru> Subject: Re: [devel] BUG: uw-imap locking does not work on reiserfs Date: Tue, 15 Oct 2002 21:20:34 +0400 (MSD) Message-ID: <Pine.LNX.4.44L.0210152116290.10248-100000@arrakis.zephyrous> (raw) In-Reply-To: <20021015161527.GB5439@basalt.office.altlinux.ru> Hello! On Tue, 15 Oct 2002, Dmitry V. Levin wrote: > > > Если в Debian используется только flock - то это нарушение > какой-то > > > Debian'овской policy, так что проверьте. > > > > + привилегированный dot-locker > > > > Вот вывод strace -fF -e trace=flock,fcntl,fcntl64,open,dup2 > > /usr/sbin/ipop3d при просмотре INBOX для трёх случаев (смотреть > надо в > > конец): > > > > Debian, на ext2 > > Ваня, у тебя достаточно свежий Debian? Это тот, что на shamrock. Пакеты с UW imap последние: 4:2001adebian-6. > http://www.debian.org/doc/debian-policy/ch-customized-programs.html#s- > mail-transport-agents : > > All Debian MUAs, MTAs, MDAs and other mailbox accessing programs > (such as > IMAP daemons) must lock the mailbox in an NFS-safe way. This means > that > fcntl() locking must be combined with dot locking. To avoid > deadlocks, a > program should use fcntl() first and dot locking after this, or > alternatively implement the two locking methods in a non blocking > way. > Using the functions maillock and mailunlock provided by the > liblockfile* packages is the recommended way to realize this. -- С наилучшими пожеланиями, Иван Захарьящев, Москва
prev parent reply other threads:[~2002-10-15 17:20 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2002-10-15 15:10 ` Ivan Zakharyaschev 2002-10-15 16:15 ` Dmitry V. Levin 2002-10-15 17:20 ` Ivan Zakharyaschev [this message]
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