Denis Vlasenko wrote:
> Hi!
>
> I want to run this script continuously under supervise
> (a tool for daemontools package):
>
> user=daemon
> exec env - \
> softlimit \
> setuidgid "$user" \
> nmeter t c l i p lf b nifi nife d60000' \
> | logger -t ''
>
> nmeter prints lines like this:
>
> 14:31:00 [UU........] int 63k f 100 bio 96k 11M ifi 81k 1.1M ife 879k 192k
>
> every minute, and I want them to be logged in syslog.
>
> This works. However, I also want to be able to stop/[re]start
> this script using daemontools' standard utility, svc:
>
> svc -d: sends a TERM to running daemon
> svc -u: starts daemon if it is not running
>
> The problem is that svc -d (or manual kill -TERM)
> kills bash but nmeter and logger continue to run,
> until I kill nmeter manually.
Bash doesn't turn around and kill its running children if it gets
a SIGTERM. You need to figure out how to get the process group
signalled, as it is when you type ^C at the keyboard.
Maybe something like trap 'kill -s TERM -$$; exit 1' SIGTERM will work.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet )
Live Strong.
Chet Ramey, ITS, CWRU [EMAIL PROTECTED] http://tiswww.tis.case.edu/~chet/
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