os.kill........

[Erik Max Francis]

Chris Liechti wrote:

> a frendly question to quit is sent by signal 9 and an unfrendly,
> forced
> kill of a process can be done with signal 15.
> 
> as i understand signal 0 only _checks_ if a process is exiting.

>From man 2 kill:

       If sig is 0, then no signal is sent, but error checking is
       still performed.

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