VariableRelationPutNextXid () now flushes variable relation

vadim4o · vadim4o · commit cbc7af81f320 · 1997-01-16T07:59:11.000Z
after writing next free XID.
diff --git a/src/backend/access/transam/varsup.c b/src/backend/access/transam/varsup.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *    $Header: /cvsroot/pgsql/src/backend/access/transam/varsup.c,v 1.6 1996/11/05 11:12:31 scrappy Exp $
+ *    $Header: /cvsroot/pgsql/src/backend/access/transam/varsup.c,v 1.7 1997/01/16 07:59:11 vadim Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -125,6 +125,7 @@ VariableRelationPutNextXid(TransactionId xid)
 {
     Buffer buf;
     VariableRelationContents var;
+    int flushmode;
     
     /* ----------------
      * We assume that a spinlock has been acquire to guarantee
@@ -156,7 +157,9 @@ VariableRelationPutNextXid(TransactionId xid)
     
     TransactionIdStore(xid, &(var->nextXidData));
     
+    flushmode = SetBufferWriteMode (BUFFER_FLUSH_WRITE);
     WriteBuffer(buf);
+    (void) SetBufferWriteMode (flushmode);
 }
 
 /* --------------------------------
@@ -313,7 +316,7 @@ VariableRelationPutNextOid(Oid *oidP)
     if (! BufferIsValid(buf))
 	{
 	    SpinRelease(OidGenLockId);
-	    elog(WARN, "VariableRelationPutNextXid: ReadBuffer failed");
+	    elog(WARN, "VariableRelationPutNextOid: ReadBuffer failed");
 	}
     
     var = (VariableRelationContents) BufferGetBlock(buf);

Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@`
`7`	`7`	`*`
`8`	`8`	`*`
`9`	`9`	`* IDENTIFICATION`
`10`		`- * $Header: /cvsroot/pgsql/src/backend/access/transam/varsup.c,v 1.6 1996/11/05 11:12:31 scrappy Exp $`
	`10`	`+ * $Header: /cvsroot/pgsql/src/backend/access/transam/varsup.c,v 1.7 1997/01/16 07:59:11 vadim Exp $`
`11`	`11`	`*`
`12`	`12`	`*-------------------------------------------------------------------------`
`13`	`13`	`*/`
`@@ -125,6 +125,7 @@ VariableRelationPutNextXid(TransactionId xid)`
`125`	`125`	`{`
`126`	`126`	`Buffer buf;`
`127`	`127`	`VariableRelationContents var;`
	`128`	`+ int flushmode;`
`128`	`129`
`129`	`130`	`/* ----------------`
`130`	`131`	`* We assume that a spinlock has been acquire to guarantee`
`@@ -156,7 +157,9 @@ VariableRelationPutNextXid(TransactionId xid)`
`156`	`157`
`157`	`158`	`TransactionIdStore(xid, &(var->nextXidData));`
`158`	`159`
	`160`	`+ flushmode = SetBufferWriteMode (BUFFER_FLUSH_WRITE);`
`159`	`161`	`WriteBuffer(buf);`
	`162`	`+ (void) SetBufferWriteMode (flushmode);`
`160`	`163`	`}`
`161`	`164`
`162`	`165`	`/* --------------------------------`
`@@ -313,7 +316,7 @@ VariableRelationPutNextOid(Oid *oidP)`
`313`	`316`	`if (! BufferIsValid(buf))`
`314`	`317`	`{`
`315`	`318`	`SpinRelease(OidGenLockId);`
`316`		`- elog(WARN, "VariableRelationPutNextXid: ReadBuffer failed");`
	`319`	`+ elog(WARN, "VariableRelationPutNextOid: ReadBuffer failed");`
`317`	`320`	`}`
`318`	`321`
`319`	`322`	`var = (VariableRelationContents) BufferGetBlock(buf);`