If you are on Windows and want to launch a process in the background, maybe consider avoiding threads and use the special form of system, as documented in perlport:

my $child_pid = system(1, @args);

...

kill 9 => $child_pid; # boom

[download]

In reply to Re: join() in perl threads does not return by Corion
in thread join() in perl threads does not return by Mj1234

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