pgsql: Fix LWLockAssign() so that it can safely be executed after

From: tgl(at)svr1(dot)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Fix LWLockAssign() so that it can safely be executed after
Date: 2005-10-07 21:42:39
Message-ID: 20051007214239.779EEDA583@svr1.postgresql.org
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Log Message:
-----------
Fix LWLockAssign() so that it can safely be executed after postmaster
initialization. Add spinlocking, fix EXEC_BACKEND unsafeness.

Modified Files:
--------------
pgsql/src/backend/storage/ipc:
shmem.c (r1.85 -> r1.86)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/ipc/shmem.c.diff?r1=1.85&r2=1.86)
pgsql/src/backend/storage/lmgr:
lwlock.c (r1.31 -> r1.32)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/lmgr/lwlock.c.diff?r1=1.31&r2=1.32)

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