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  23         for <notmuch@notmuchmail.org>; Sat, 29 Jan 2011 11:10:09 -0500 (EST)\r
  24 Date: Sat, 29 Jan 2011 11:10:08 -0500\r
  25 From: Mike Kelly <pioto@pioto.org>\r
  26 To: notmuch@notmuchmail.org\r
  27 Subject: Re: notmuch's idea of concurrency / failing an invocation\r
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  61 On Fri, 28 Jan 2011 11:57:34 -0500\r
  62 Austin Clements <amdragon@mit.edu> wrote:\r
  63 \r
  64 > Yes, exactly.  All of this.  Unfortunately, Xapian doesn't expose the\r
  65 > ability to block on the lock (see the fcntl call in\r
  66 > backends/flint_lock.cc, which is hard-coded to the non-blocking\r
  67 > F_SETLK instead of F_SETLKW), so we'd either need a new Xapian\r
  68 > option, or we would just have to wrap our own flock/fcntl lock around\r
  69 > things as you suggest.\r
  70 \r
  71 Hrm. Do you know if Xapian upstream would be open to a patch to support\r
  72 optional blocking locks? We can't be the only ones hitting these sorts\r
  73 of issues.\r
  74 \r
  75 --=20\r
  76 Mike Kelly\r
  77 \r
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