I'm no expert, but fork and perlfork talk at length about not to use kill on children when fork was emulated.

See https://perldoc.perl.org/perlfork#kill()

There are various alternatives listed in perlipc though.

An SSCCE with tests might help provide alternatives.

> If I just use Win32::Process, then this would be a dependency also on Linux

I'm quite sure that you can have install dependencies based on the actual OS. Never tried this tho.

HTH. :)

Cheers Rolf
(addicted to the 𐍀𐌴𐍂𐌻 Programming Language :)
Wikisyntax for the Monastery

In reply to Re: How to portably stop processes? by LanX
in thread How to portably stop processes? by haj

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