having more than one process write to one log
cswiger at mac.com
Thu Oct 19 18:17:25 UTC 2006
On Oct 19, 2006, at 10:58 AM, Zbigniew Szalbot wrote:
> I will appreciate your advice. Is it possible and *safe* to allow
> two different processes (dovecot and exim) to write to one log?
> Better not do it? I would like to have both data in one log but...
> don't want to cause problems. I don't think Windows would allow it.
> How about FBSD?
Those things normally use syslog to write via the LOG_MAIL facility
to /var/log/maillog. Syslog-based logging will handle logging from
multiple programs to just one logfile just fine.
Otherwise, you are advised to look into fsync() and flock(). Those
syscalls do not necessarily work on remote filesystems, however...
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