fis-gtm/sr_port/bt_malloc.c

39 lines
1.3 KiB
C

/****************************************************************
* *
* Copyright 2001, 2009 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 "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
void bt_malloc(sgmnt_addrs *csa)
{
unsigned int n;
sgmnt_data_ptr_t csd;
csd = csa->hdr;
/* check that the file header is quad word aligned */
if ((-(SIZEOF(uint4) * 2) & (sm_long_t)csd) != (sm_long_t)csd)
GTMASSERT;
if ((-(SIZEOF(uint4) * 2) & SIZEOF_FILE_HDR(csd)) != SIZEOF_FILE_HDR(csd))
GTMASSERT;
csa->nl->bt_header_off = (n = (uint4)(SIZEOF_FILE_HDR(csd)));
csa->nl->th_base_off = (n += csd->bt_buckets * SIZEOF(bt_rec)); /* hash table */
csa->nl->th_base_off += SIZEOF(que_ent); /* tnque comes after fl and bl of blkque */
csa->nl->bt_base_off = (n += SIZEOF(bt_rec)); /* th_queue anchor referenced above */
assert((n += (csd->n_bts * SIZEOF(bt_rec))) == (SIZEOF_FILE_HDR(csd)) + (BT_SIZE(csd))); /* DON'T use n after this */
bt_init(csa);
bt_refresh(csa);
return;
}