fis-gtm/sr_port/tp_set_sgm.c

73 lines
2.2 KiB
C

/****************************************************************
* *
* Copyright 2001, 2012 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 "gdsbt.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsfhead.h"
#include "gdscc.h"
#include "filestruct.h"
#include "jnl.h"
#include "buddy_list.h" /* needed for tp.h */
#include "hashtab_int4.h" /* needed for tp.h */
#include "tp.h"
#include "min_max.h"
#include "tp_set_sgm.h"
#ifdef GTM_TRIGGER
#include "gtm_trigger_trc.h"
#endif
GBLDEF sgm_info *sgm_info_ptr;
GBLDEF tp_region *tp_reg_free_list; /* Ptr to list of tp_regions that are unused */
GBLDEF tp_region *tp_reg_list; /* Ptr to list of tp_regions for this transaction */
GBLREF short crash_count;
GBLREF sgm_info *first_sgm_info;
GBLREF gd_region *gv_cur_region;
GBLREF sgmnt_addrs *cs_addrs;
GBLREF sgmnt_data_ptr_t cs_data;
void tp_set_sgm(void)
{
sgm_info *si;
sgmnt_addrs *csa;
csa = cs_addrs;
assert(csa == &FILE_INFO(gv_cur_region)->s_addrs);
si = csa->sgm_info_ptr;
assert(si->tp_csa == csa);
assert(si->tp_csd == cs_data);
if (!si->tp_set_sgm_done)
{
si->next_sgm_info = first_sgm_info;
first_sgm_info = si;
si->start_tn = csa->ti->curr_tn;
if (csa->critical)
si->crash_count = csa->critical->crashcnt;
insert_region(gv_cur_region, &tp_reg_list, &tp_reg_free_list, SIZEOF(tp_region));
/* In case triggers are supported, make sure we start with latest copy of file header's db_trigger_cycle
* to avoid unnecessary cdb_sc_triggermod type of restarts.
*/
GTMTRIG_ONLY(csa->db_trigger_cycle = csa->hdr->db_trigger_cycle);
GTMTRIG_ONLY(DBGTRIGR((stderr, "tp_set_sgm: Updating csa->db_trigger_cycle to %d\n",
csa->db_trigger_cycle)));
si->tp_set_sgm_done = TRUE;
assert(0 == si->update_trans);
}
DBG_CHECK_IN_FIRST_SGM_INFO_LIST(si);
sgm_info_ptr = si;
crash_count = si->crash_count;
}