I create the thread and join it inside the same watcher just to make things simple. In real life, there is a watcher that starts them on demand and there is another that joins them to collect their exit statuses.
That's why I cannot start the thread at the start of the script. They are created when a client makes a request.

Thanks for the link to Glib, I'll give a try, but I cannot found Glib nor Gtk2 in ActiveState Perl package manager. Searching in Google I found gtk2-perl Win32 Binary Home. Is this the right place?

In reply to Re^2: Event module and threads/fork segfault on Win32 by gurbo
in thread Event module and threads/fork segfault on Win32 by gurbo

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