I want to have a thread that blocks on a select that's accepting IO::Socket network connections, but I also want to be able to wake it up when a signal comes in. From looking around, it seems like having a pipe read handle in the select set is the way to do this on Unix, and then you write to the pipe to wake up the select. I guess the first question is, is that true?

If it is, then it seems like I'd want to use IO::Pipe, but from reading the docs and source, it really seems like it's designed for two processes, and not for a single process with threads or signals. It doesn't actually look like you can even get both handles out of it without poking around, since a call to either IO::Pipe::reader or writer will close the other handle, since it assumes a fork(). Do I just want to call the raw pipe(R,W) and then wrap them in IO::Handles so I can use IO::Select?

Thanks,
Chris

In reply to waking from select, or IO::Pipe in same process? by checker

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.