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

before we attempt any file deletions in ShutdownPostgres.  Per Tatsuo.

1 files changed, 15 insertions, 1 deletions

diff --git a/src/backend/storage/buffer/localbuf.c b/src/backend/storage/buffer/localbuf.c
index f52ed71cd8b..eb6db2447a8 100644
--- a/src/backend/storage/buffer/localbuf.c
+++ b/src/backend/storage/buffer/localbuf.c
@@ -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));
+}