71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2010 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include "gtm_string.h"
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#include "gdsroot.h"
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#include "gdskill.h"
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#include "gdsbt.h"
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#include "gtm_facility.h"
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#include "fileinfo.h"
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#include "gdsfhead.h"
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#include "gdscc.h"
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#include "filestruct.h"
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#include "jnl.h"
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#include "buddy_list.h" /* needed for tp.h */
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#include "hashtab_int4.h" /* needed for tp.h */
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#include "tp.h"
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GBLREF sgm_info *sgm_info_ptr;
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GBLREF gd_region *gv_cur_region;
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GBLREF sgmnt_addrs *cs_addrs;
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GBLREF boolean_t is_updproc;
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GBLREF boolean_t mupip_jnl_recover;
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void tp_cw_list(cw_set_element **cs)
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{
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cw_set_element *last_cse, *tempcs, *prev_last;
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error_def(ERR_TRANS2BIG);
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/* Don't allow a single transaction to use more cw_set_elements than half of the global buffers or
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* more than 32K cw_set_elements. This because the "cw_index" field in "off_chain" structure is 15-bits.
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*/
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if (dba_bg == cs_addrs->hdr->acc_meth)
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if (sgm_info_ptr->cw_set_depth + 2 >= (cs_addrs->hdr->n_bts >> 1) ||
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sgm_info_ptr->cw_set_depth + 2 > (32 * 1024))
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{ /* catch the case where MUPIP recover or update process gets into this situation */
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assert(!mupip_jnl_recover && !is_updproc);
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rts_error(VARLSTCNT(4) ERR_TRANS2BIG, 2, REG_LEN_STR(gv_cur_region));
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}
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tempcs = (cw_set_element *)get_new_element(sgm_info_ptr->cw_set_list, 1);
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/* secshr_db_clnup relies on the cw_set_element (specifically the "mode" field) being initialized to a value
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* that is not "gds_t_committed". This needs to be done before setting sgm_info_ptr->first_cw_set. */
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memset(tempcs, 0, SIZEOF(cw_set_element));
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assert(gds_t_committed != tempcs->mode); /* ensure secshr_db_clnup's check will not be affected */
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if (sgm_info_ptr->first_cw_set == NULL)
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sgm_info_ptr->first_cw_set = tempcs;
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else
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{
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last_cse = sgm_info_ptr->last_cw_set;
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assert(last_cse);
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for (; last_cse; last_cse = last_cse->high_tlevel)
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last_cse->next_cw_set = tempcs;
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}
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prev_last = sgm_info_ptr->last_cw_set;
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sgm_info_ptr->last_cw_set = *cs = tempcs;
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tempcs->prev_cw_set = prev_last;
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}
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