Log Message:
-----------
Release proclock immediately in RemoveFromWaitQueue() if it represents
no held locks. This maintains the invariant that proclocks are present
only for procs that are holding or awaiting a lock; when this is not
true, LockRelease will fail. Per report from Stephen Clouse.
Modified Files:
--------------
pgsql/src/backend/storage/lmgr:
lock.c (r1.146 -> r1.147)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/lmgr/lock.c.diff?r1=1.146&r2=1.147)
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