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From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
Date: Mon, 21 Mar 2011 15:29:20 +0000 (UTC)
To: cvs-src-old@freebsd.org
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Subject: cvs commit: src/sbin/hastd hastd.c
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pjd         2011-03-21 15:29:20 UTC

  FreeBSD src repository

  Modified files:
    sbin/hastd           hastd.c 
  Log:
  SVN rev 219837 on 2011-03-21 15:29:20Z by pjd
  
  Before handling any events on descriptors check signals so we can update
  our info about worker processes if any of them was terminated in the meantime.
  
  This fixes the problem with 'hastctl status' running from a hook called on
  split-brain:
  1. Secondary calls a hooks and terminates.
  2. Hook asks for resource status via 'hastctl status'.
  3. The main hastd handles the status request by sending it to the secondary
     worker who is already dead, but because signals weren't checked yet he
     doesn't know that and we get EPIPE.
  
  MFC after:      1 week
  
  Revision  Changes    Path
  1.45      +43 -28    src/sbin/hastd/hastd.c