Take a look at: 
Win32::Process::KillProcess

[download]

I know there are a few issues with it, but if you have your @childPids, then, from the cpan docs:

Win32::Process::KillProcess($pid, $exitcode)

Terminates any process identified by $pid. $exitcode will be set to the exit code of the process.

In reply to Re: killing on win32 by technojosh
in thread killing on win32 by Razvanica

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