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Need to reset local buffer pin counts, not only shared buffer pins,

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before we attempt any file deletions in ShutdownPostgres.  Per Tatsuo.
This commit is contained in:
Tom Lane
2005-03-18 16:16:09 +00:00
parent 1f418555cf
commit 88164799ce
3 changed files with 19 additions and 3 deletions
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16
src/backend/storage/buffer/localbuf.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/buffer/localbuf.c,v 1.63 2005/03/04 20:21:06 tgl Exp $
* $PostgreSQL: pgsql/src/backend/storage/buffer/localbuf.c,v 1.64 2005/03/18 16:16:09 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -259,3 +259,17 @@ AtEOXact_LocalBuffers(bool isCommit)
}
#endif
}
/*
* AtProcExit_LocalBuffers - ensure we have dropped pins during backend exit.
*
* This is just like AtProcExit_Buffers, but for local buffers. We have
* to drop pins to ensure that any attempt to drop temp files doesn't
* fail in DropRelFileNodeBuffers.
*/
void
AtProcExit_LocalBuffers(void)
{
/* just zero the refcounts ... */
MemSet(LocalRefCount, 0, NLocBuffer * sizeof(*LocalRefCount));
}