[fpc-pascal] respawn a daemon in Linux
Mark Morgan Lloyd
markMLl.fpc-pascal at telemetry.co.uk
Tue Jan 14 12:07:46 CET 2014
Michael Van Canneyt wrote:
>> Does it exit in a sufficiently-controlled state that you could simply
>> exec a new copy at the end of the finalization block? The available
>> parameters should be accessible in /proc.
>
> No need to modify the program. You can simply script it as
>
> #!/bin/bash
> while [ 1 ]; do
> yourprogram youroptions
> done
With caution. You need to make sure that it doesn't try to restart if
it's received a signal that the system's going down because of a power
failure etc., where the last thing you want is a daemon respawning
wildly and wasting CPU time that would be much better spent shutting
everything else down in a controlled fashion.
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
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