All are interruptible in some way or A different. At the least among the prevailing answers now supplies an implementation of pause. Even your recommended implementation of snooze infinity is above-complicated as snooze itself is currently interruptible

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You'll find the C source code Right here (it can be shortened even more). Regretably, I do not know of the userland "pause" command in Linux, not less than not a person that has been approved into the foremost distros.

Will be the no-op command quickly interruptible? This is sort of frequently a necessity While you might not think of it up front.

Check out the exit position from the command. If your command was terminated by a sign the exit code will probably be 128 + the signal range. From the GNU on the internet documentation for bash:

The need is useless uncomplicated to put into practice in C. The Kubernetes job has performed it inside their renowned pause docker picture which is amongst the smallest docker pictures recognized to person.

The exit status of a command that terminated as it been given a signal shall be noted as larger than 128.

If you need to run read more a thing in an infinite loop just like a daemon then you'd ideal set it inside the history

In certain scenarios, it won't quickly get rid of the "COMMAND", As an example, for those who track record it, it could sneak earlier alive even when It truly is dad or mum is dead. Even so the loop is lifeless, and that is the vital component.

MikeVMikeV one,4081313 silver badges2020 bronze badges three Seemed in Energetic processes, and you will discover nothing like this. in what package deal modem-manager is shipped ? I have only compiled kernel support for usb modems, and also installed "usb_modeswitch" to ensure that it may switch usb gadget to modem state and open a /dev/ttyUSB* port.

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