/*
* Initialize (or reinitialize) a page of SUBTRANS to zeroes.
*
* The page is not actually written, just set up in shared memory.
* The slot number of the new page is returned.
*
* Control lock must be held at entry, and will be held at exit.
*/
static int
ZeroSUBTRANSPage(int pageno)
{
int result;
result = SimpleLruZeroPage(SubTransCtl, pageno);
return result;
}
/*
* Initialize (or reinitialize) a page of CommitTs to zeroes.
* If writeXlog is TRUE, also emit an XLOG record saying we did this.
*
* The page is not actually written, just set up in shared memory.
* The slot number of the new page is returned.
*
* Control lock must be held at entry, and will be held at exit.
*/
static int
ZeroCommitTsPage(int pageno, bool writeXlog)
{
int slotno;
slotno = SimpleLruZeroPage(CommitTsCtl, pageno);
if (writeXlog)
WriteZeroPageXlogRec(pageno);
return slotno;
}
/*
* Initialize (or reinitialize) a page of SUBTRANS to zeroes.
*
* The page is not actually written, just set up in shared memory.
* The slot number of the new page is returned.
*
* Control lock must be held at entry, and will be held at exit.
*/
static int
ZeroSUBTRANSPage(int pageno)
{
MIRRORED_LOCK_DECLARE;
int result;
MIRRORED_LOCK;
result = SimpleLruZeroPage(SubTransCtl, pageno);
MIRRORED_UNLOCK;
return result;
}
/*
* Initialize (or reinitialize) a page of DistributedLog to zeroes.
* If writeXlog is TRUE, also emit an XLOG record saying we did this.
*
* The page is not actually written, just set up in shared memory.
* The slot number of the new page is returned.
*
* Control lock must be held at entry, and will be held at exit.
*/
static int
DistributedLog_ZeroPage(int page, bool writeXlog)
{
MIRRORED_LOCK_DECLARE;
int slotno;
MIRRORED_LOCK;
elog((Debug_print_full_dtm ? LOG : DEBUG5),
"DistributedLog_ZeroPage zero page %d",
page);
slotno = SimpleLruZeroPage(DistributedLogCtl, page);
if (writeXlog)
DistributedLog_WriteZeroPageXlogRec(page);
MIRRORED_UNLOCK;
return slotno;
}
/*
* Initialize (or reinitialize) a page of DistributedXidMap to zeroes.
*
* The page is not actually written, just set up in shared memory.
* The slot number of the new page is returned.
*
* Control lock must be held at entry, and will be held at exit.
*/
static int
ZeroDistributedXidMapPage(int pageno)
{
return SimpleLruZeroPage(DistributedXidMapCtl, pageno);
}
/*
* Initialize (or reinitialize) a page of SUBTRANS to zeroes.
*
* The page is not actually written, just set up in shared memory.
* The slot number of the new page is returned.
*
* Control lock must be held at entry, and will be held at exit.
*/
static int
ZeroSUBTRANSPage(int pageno)
{
return SimpleLruZeroPage(SubTransCtl, pageno);
}
