Need to release buffer pins before attempting to drop files during
backend exit. Per report from Bruce.
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/utils/init/postinit.c,v 1.141 2005/02/26 18:43:33 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/utils/init/postinit.c,v 1.142 2005/03/18 05:24:13 tgl Exp $
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*
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*
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*-------------------------------------------------------------------------
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@ -507,13 +507,14 @@ ShutdownPostgres(int code, Datum arg)
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* since that just raises the odds of failure --- but there's some
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* stuff we need to do.
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*
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* Release any LW locks and buffer context locks we might be holding.
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* This is a kluge to improve the odds that we won't get into a
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* self-made stuck-lock scenario while trying to shut down.
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* Release any LW locks, buffer content locks, and buffer pins we might be
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* holding. This is a kluge to improve the odds that we won't get into a
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* self-made stuck-lock scenario while trying to shut down. We *must*
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* release buffer pins to make it safe to do file deletion, since we
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* might have some pins on pages of the target files.
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*/
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LWLockReleaseAll();
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AbortBufferIO();
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UnlockBuffers();
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AtProcExit_Buffers();
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/*
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* In case a transaction is open, delete any files it created. This
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