Kill a NIF's process

Robert Harris robert.harris@REDACTED
Thu Apr 22 11:01:12 CEST 2021

> On 22 Apr 2021, at 09:56, Sverker Eriksson <sverker.eriksson@REDACTED> wrote:
> If enif_monitor_process(_, Rsrc, Proc, _) returns 0 (success) then the monitor is active and the down callback is guaranteed to be called when process Proc terminates, unless
> • the resource Rsrc was deallocated before. The destructor callback will always be the last callback of a resource object.
> • the monitor was cancelled before with enif_demitor_process().
> If the target process has already been killed then enif_monitor_process() is guaranteed to fail. There is no in between race, as with all other monitor and link creation.

Excellent.  Thanks once again for the confirmation.

> Side note:
> A dirty NIF can check the liveness of its process with enif_is_current_process_alive() without the need of self monitoring.

I am aware of that;  thank you.  enif_is_current_process_alive() has a (relatively)
high latency and I would prefer to avoid it.



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