From mboxrd@z Thu Jan  1 00:00:00 1970
From: Francisco J Ballesteros <nemo@lsub.org>
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Message-Id: <7C2F640A-2A94-4AA1-9CE9-4E4845F0860F@lsub.org>
Date: Thu, 18 Apr 2013 11:15:57 +0200
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: [9fans] upas locking
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Hi,

we found recently that we had a problem with /mail/tmp/L.mbox
used by upasfs to lock.

Looking into, we found that in upas/common/libsys.c the
function generating the lock file name returns always "L.mbox"
but not .../L.<mbox file name> as it seems it should.

Also, the function doing the actual lock hides the error string.

I copied our changed file to /n/sources/contrib/nemo/libsys.c

Didn't create a patch yet because I'm not sure it's the right
change for this problem.