3 files changed, 20 insertions, 6 deletions
diff --git a/src/include/bootstrap/bootstrap.h b/src/include/bootstrap/bootstrap.h
index e444aeef43c..0367522da3a 100644
--- a/src/include/bootstrap/bootstrap.h
+++ b/src/include/bootstrap/bootstrap.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: bootstrap.h,v 1.31 2003/08/04 02:40:10 momjian Exp $
+ * $Id: bootstrap.h,v 1.32 2003/11/19 15:55:08 wieck Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -59,6 +59,7 @@ extern void Int_yyerror(const char *str);
 #define BS_XLOG_BOOTSTRAP	1
 #define BS_XLOG_STARTUP		2
 #define BS_XLOG_CHECKPOINT	3
-#define BS_XLOG_SHUTDOWN	4
+#define BS_XLOG_BGWRITER	4
+#define BS_XLOG_SHUTDOWN	5
 
 #endif   /* BOOTSTRAP_H */
diff --git a/src/include/storage/bufmgr.h b/src/include/storage/bufmgr.h
index bfbf64e207f..df0708f9092 100644
--- a/src/include/storage/bufmgr.h
+++ b/src/include/storage/bufmgr.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: bufmgr.h,v 1.70 2003/08/10 19:48:08 tgl Exp $
+ * $Id: bufmgr.h,v 1.71 2003/11/19 15:55:08 wieck Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -28,6 +28,11 @@ extern DLLIMPORT int NBuffers;
 /* in bufmgr.c */
 extern bool zero_damaged_pages;
 
+extern int	BgWriterDelay;
+extern int	BgWriterPercent;
+extern int	BgWriterMaxpages;
+
+
 /* in buf_init.c */
 extern DLLIMPORT Block *BufferBlockPointers;
 extern long *PrivateRefCount;
@@ -186,7 +191,10 @@ extern void LockBufferForCleanup(Buffer buffer);
 extern void AbortBufferIO(void);
 
 extern void BufmgrCommit(void);
-extern void BufferSync(void);
+extern int	BufferSync(int percent, int maxpages);
+extern void BufferBackgroundWriter(void);
+extern const char *BgWriterAssignSyncMethod(const char *method,
+			bool doid, bool interactive);
 
 extern void InitLocalBuffer(void);
 
diff --git a/src/include/storage/proc.h b/src/include/storage/proc.h
index 3cad0c5b63c..235ed751b41 100644
--- a/src/include/storage/proc.h
+++ b/src/include/storage/proc.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: proc.h,v 1.64 2003/08/04 02:40:15 momjian Exp $
+ * $Id: proc.h,v 1.65 2003/11/19 15:55:08 wieck Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -86,6 +86,11 @@ typedef struct PROC_HDR
 } PROC_HDR;
 
 
+#define	DUMMY_PROC_DEFAULT	0
+#define	DUMMY_PROC_BGWRITER	1
+#define	NUM_DUMMY_PROCS		2
+
+
 /* configurable options */
 extern int	DeadlockTimeout;
 extern int	StatementTimeout;
@@ -97,7 +102,7 @@ extern int	StatementTimeout;
 extern int	ProcGlobalSemas(int maxBackends);
 extern void InitProcGlobal(int maxBackends);
 extern void InitProcess(void);
-extern void InitDummyProcess(void);
+extern void InitDummyProcess(int proctype);
 extern void ProcReleaseLocks(bool isCommit);
 
 extern void ProcQueueInit(PROC_QUEUE *queue);