It would be IPC:: open3 or run3 the child will then handle the results of it's own spawning. The parent only needs to know whether the child is still alive. So the communication is a bit fake -- Parent only wants to know if closing the IPC filehandle to the child fails, signifying that the child has exited -- all this assuming there isn't another way to know if the child lives.

update: or rather closing the filehandle is what perlipc suggests but what if I need to poll repeatedly for exited?

update: socketpair is just a wrapper to what I already discussed. It complicates the question of how to create the multiple filehandles and still leaves the question of how to destroy them.

One world, one people


In reply to Re^2: fixed set of forked processes by anonymized user 468275
in thread fixed set of forked processes by anonymized user 468275

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.