FAQ 8.36 How do I fork a daemon process?

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8.36: How do I fork a daemon process?

    If by daemon process you mean one that's detached (disassociated from
    its tty), then the following process is reported to work on most Unixish
    systems. Non-Unix users should check their Your_OS::Process module for
    other solutions.

    *   Open /dev/tty and use the TIOCNOTTY ioctl on it. See tty for
        details. Or better yet, you can just use the POSIX::setsid()
        function, so you don't have to worry about process groups.

    *   Change directory to /

    *   Reopen STDIN, STDOUT, and STDERR so they're not connected to the old

    *   Background yourself like this:

            fork && exit;

    The Proc::Daemon module, available from CPAN, provides a function to
    perform these actions for you.


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