Of course you can :-) and if you are familiar with how it would
be done in C (which I have the feeling you do, from your
question), it should be easy to translate the
solution to Perl. The semantics of fork and waitpid in
Perl are identical to C (this also means
that at least for waitpid the behavior might change between
different systems).
On the other hand, managing multiple processes is always tricky,
and you have the risk of things running amok if you make a
mistake, and it may not be immediately obvious how to properly
manage multiple subprocesses. You may want to look at some
existing solutions such as Parallel::ForkManager or
ForkBlock.
--ZZamboni
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