fis-gtm/sr_port/t_write_root.c

55 lines
1.8 KiB
C

/****************************************************************
* *
* Copyright 2001, 2010 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "gdsroot.h"
#include "gdskill.h"
#include "gdsblk.h"
#include "gdsbt.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsfhead.h"
#include "gdscc.h"
#include "t_write_root.h"
GBLREF cw_set_element cw_set[];
GBLREF unsigned char cw_set_depth;
GBLREF uint4 dollar_tlevel;
/* Create a sibling cw-set-element to store ins_off and index for new root's right child */
void t_write_root (
block_offset ins_off, /* Offset to the position in the buffer of the previous cw_set-element
* that is to receive a block number when one is created. */
block_index index /* Index into the create/write set. The specified entry is always
* a create entry. When the create gets assigned a block number,
* the block number is inserted into the buffer of the previous
* cw-set-element at the location specified by ins_off. */
)
{
cw_set_element *cse;
assert(!dollar_tlevel);
cse = &cw_set[cw_set_depth++];
assert(CDB_CW_SET_SIZE > cw_set_depth);
cse->blk_checksum = 0;
cse->blk = -1;
cse->mode = gds_t_write_root;
cse->ins_off = ins_off;
cse->index = index;
cse->reference_cnt = 0;
cse->forward_process = FALSE;
cse->first_copy = TRUE;
cse->jnl_freeaddr = 0; /* reset jnl_freeaddr that previous transaction might have filled in */
cse->write_type = GDS_WRITE_PLAIN;
}