I see no difference between the two runs of the program;

<Reveal this spoiler or all in this thread>
and nor would I expect to.

The threads won't terminate until they are joined; and they won't be joined until the code moves past <STDIN>; to the join loop.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re: Running a perl script as a system command in another thread hangs while main thread reading from STDIN by BrowserUk
in thread Running a perl script as a system command in another thread hangs while main thread reading from STDIN by rmahin

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