[systemd-devel] How to manually set service in "failed" state

[Usman]

Hi Guys,

I am trying to test some code with respect to my services setup. I have two services, lets say service_a and service_b. In service_a unit file I have this:

OnFailure=service_b


And from the man page for OnFailure unit I get this:

A space-separated list of one or more units that are activated when this unit enters the "failed" state

My question is, to test this setup, how can I have service_a in a "failed" state? I have tried using kill -9, but that leaves service in "signal" state and not "failed" state. How can I manually set a service in "failed" state so that service_b gets started for my testing? Any specific signal? Any help much appreciated.

Thanks.
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