[bug #17128] fifos not going away

[Thomas Schwinge]

Update of bug #17128 (project hurd):

                  Status:                    None => Confirmed              
             Assigned to:                    None => antrik                 

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Follow-up Comment #2:

IRC, freenode, #hurd, 2011-07-24

    [mkfifo F; rm F]
    < braunr> even after the node is removed, the translator remains
    < braunr> interesting
    < antrik> braunr: I suspect that like other files, named pipes stay
around
      after unlinked if they still have users
    < antrik> we might have some bug that makes the fifos stay around even if
      there aren't any users anymore...
    < braunr> antrik: yes
    < antrik> most active translators generally stay around until a timeout
is
      reached, even if they don't have users. this probably makes sense for
      *some* kinds of translators; but for most, I actually consider it a
      bug...
    < antrik> or at least the timeout should be much much shorter
    < antrik> (a few seconds rather than minutes)
    < antrik> also, I guess all translators should go away immediately if
      neither user nor control ports are open anymore -- in this case it's
      simply impossible that they will be used again
    < braunr> this should be the case here
    < braunr> so it must be a bug
    < antrik> well, presently the translators simply don't have such a
      mechanisms... more of a missing feature than a bug
    < braunr> really ?
    < antrik> I guess this is actually a pretty good task for me to work
      on... I already understand most of the relevant mechanisms (I believe);
      it's not too involved coding-wise; and it would be a major improvement
      :-)
    < braunr> :)
    < antrik> braunr: at least I don't remember seeing anything for that in
any
      of the translators I looked at... though admittedly I haven't studied
      this specific area extensively
    < braunr> it must be in a hurd library


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