From: Eric Wong <normalperson@...>
Date: 2018-11-03T22:49:03+00:00
Subject: [ruby-core:89702] Re: [Ruby trunk Feature#15277] at_exec

ruby-core@marc-andre.ca wrote:
> normalperson (Eric Wong) wrote:
> >  Would this work for subprocesses? (system, spawn, ``,
> >  popen, ...)
> 
> I'm not sure I understand the question. `exec` effectively
> terminates the Ruby process although the `at_exit` callbacks
> are not called. `system`, `spawn`, etc... don't do such a
> thing and would thus would not call the `at_exec` callbacks.

system, spawn, etc. implicitly call exec, but only after fork/vfork
in a child.

Anyways, I'm still against this proposal because there is an
existing and generic way to support such behavior.

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