Hi,
On 04/12/2020 13:03, Jo-Philipp Wich wrote:
Hi,
is there any reason not to use the flock style below? It should be more
reliable wrt. unlocking if the script is prematurely terminated.
I guess because it gets more difficult to fish out the answer for each
command then (I didn't check if it's guaranteed to be one line for each)?
But with `trap` I introduced it should be just as reliable I think?
In the end the script is still a mess... The two cleanups I did were
just the low hanging fruit.
The proper performance fix would be to move 'lucistat' to ltq-vdsl-app
itself. But there's ltq-adsl-app too, so maybe that's not desired from a
maintenance point of view.
Thanks,
Andre
-- 8< --
{
flock -x 1000
command
command
command
...
} 1000>/var/lock/dsl_pipe
-- >8 --
See also the fourth example at
https://man7.org/linux/man-pages/man1/flock.1.html#EXAMPLES
~ Jo
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