Having said that, it seems convoluted and brittle to me. It will never work on Linux/FreeBSD/MacOS implementations which will not assistance sleep infinity. This staying stated, it might be the best userland Resolution in the mean time.
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You can find the C resource code In this article (it may be shortened even more). Regretably, I have no idea of a userland "pause" command in Linux, no less than not a single which has been approved into the major distros.
Each time a command terminates with a lethal sign whose quantity is N, Bash employs the worth 128+N given that the exit position.
I would say it might be greatest to put your infinite loop inside a script and deal with alerts there. This is a simple starting point
The necessity is lifeless simple to put into action in C. The Kubernetes job has performed it in their renowned pause docker impression which is amongst the smallest docker visuals recognized to person.
The exit status of a command that terminated since it gained a sign shall be reported as better than 128.
Is definitely the CPU idling although your no-op command executes? You don't want a solution which burns CPU cycles while doing all your no-op command. Most responses on this website page would not response this concern.
Question is why cannot I just receive "Alright" concept from console, but in lieu of this I bought this data loop?
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Doing AT command interaction with the command line with just plain shell operations is very unreliable. I recommend that you endeavor to use the program atinout and that is particularly penned to situation AT more info command from the command line:
The trouble is usually that soon after booting into Endless OS, the splash animation appeared effectively (as of in Ubuntu) as well as further more Screen is not really obvious to become witnessed.
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