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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 42829] - graceful restart with multiple listeners using prefork MPM can result in hung processes
Date Fri, 18 Jan 2008 22:09:18 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=42829


rpluem@apache.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO




------- Additional Comments From rpluem@apache.org  2008-01-18 14:09 -------
(In reply to comment #20)
> Created an attachment (id=21406)
 --> (http://issues.apache.org/bugzilla/attachment.cgi?id=21406&action=view) [edit]
> close listeners using dup2 to avoid undefined behaviour
> 
> This closes the listeners by dup2'ing a dummy socket onto them.  This should
> restore the guarantee of defined behaviour by a call to
> accept/apr_pollset_poll/ which references this fd, as opposed to closing it
> outright.

Hm, and apr_pollset_poll called on the dummy_listener with APR_POLLIN as event
for which we are looking for returns immediately?


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