Bug#703687: smstools: inefficient polling of directories should be replaced by inotify interface

[smstools3@kekekasvi.com]

> Package: smstools
> Version: 3.1.14-1
> Severity: minor
>
>
> Hi,
>
> Smstools currently checks a couple of directories every x seconds.
> That is inefficient:
>  1. it doesn't react immediately on new outgoing sms messages, delaying their transmission
>  2. it polls when it is not neccessary, using system resources
>
> Regarding point 2: this is a real problem in situations where for example a simple server like a raspberry pi is used.
>
> I suggest to use inotify: smstools can then sleep forever and as soon as a new file appears in its outbound
directory, >it is woken up immediately.
> Of course it needs to explicitly scan the outbound directory when it starts up as new files may have appeared while
it was not running.
>

Thanks for the suggestion. Version 3.1.17 (upstream) can now use inotifywait, if user wants and needs to use it.

Regards,
Keke