database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-08-18 12:22:09 +03:00
Code Activity

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

Browse Source 
before we attempt any file deletions in ShutdownPostgres.  Per Tatsuo.
This commit is contained in:
Tom Lane
2005-03-18 16:16:20 +00:00
parent fc80f5fe73
commit 817bc021b7
3 changed files with 19 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/backend/storage/buffer/localbuf.c
View File

@@ -9,7 +9,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/buffer/localbuf.c,v 1.62 2005/01/10 20:02:21 tgl Exp $ * $PostgreSQL: pgsql/src/backend/storage/buffer/localbuf.c,v 1.62.4.1 2005/03/18 16:16:20 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@@ -241,3 +241,17 @@ AtEOXact_LocalBuffers(bool isCommit)
} }
#endif #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));
}

3
src/backend/utils/init/postinit.c
View File

@@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/init/postinit.c,v 1.139.4.1 2005/03/18 05:24:24 tgl Exp $ * $PostgreSQL: pgsql/src/backend/utils/init/postinit.c,v 1.139.4.2 2005/03/18 16:16:20 tgl Exp $
* *
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
@@ -478,6 +478,7 @@ ShutdownPostgres(int code, Datum arg)
*/ */
LWLockReleaseAll(); LWLockReleaseAll();
AtProcExit_Buffers(); AtProcExit_Buffers();
AtProcExit_LocalBuffers();
/* /*
* In case a transaction is open, delete any files it created. This * In case a transaction is open, delete any files it created. This

3
src/include/storage/bufmgr.h
View File

@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California * Portions Copyright (c) 1994, Regents of the University of California
* *
* $PostgreSQL: pgsql/src/include/storage/bufmgr.h,v 1.89 2004/12/31 22:03:42 pgsql Exp $ * $PostgreSQL: pgsql/src/include/storage/bufmgr.h,v 1.89.4.1 2005/03/18 16:16:20 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@@ -153,5 +153,6 @@ extern void BufmgrCommit(void);
extern int BufferSync(int percent, int maxpages); extern int BufferSync(int percent, int maxpages);
extern void InitLocalBuffer(void); extern void InitLocalBuffer(void);
extern void AtProcExit_LocalBuffers(void);
#endif #endif