SIGHUP / SIGUSR2 not equivalent to restart
Sebastian at SSpaeth.de
Fri Sep 30 09:32:41 BST 2011
On Thu, 29 Sep 2011 15:14:11 -0400, Dave Abrahams <dave at boostpro.com> wrote:
> I just got back after being offline for a few hours.
> I have something that pokes offlineimap with a SIGUSR2 when I
> establish a network connection. You can see it taking effect in the log
> below (There are actually two of those; the first comes in when the
> display wakes up at 1:57:05.
> However, I didn't receive any new mails until I did a SIGUSR1 and
> relaunch, which you can also see at 3:00:21 where the pid changes.
Actually, I think you want a SIGUSR1. Which will abort and do a new
round of syncs, but continue to loop in general.
Sending a SIGUSR2 should quit offlineimap as soon as all current syncs
I just tested that on the current next branch, and it worked fine for
> It's my understanding that these ought to be equivalent operations for
> most intents and purposes, and yet I've repeatedly seen situations where
> I had to restart the process in order to get anywhere.
SIGUSR1 and SIGUSR2 equivalent? No, SIGUSR2 will quit offlineimap and
SIGUSR1 will continue to loop.
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