64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
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/****************************************************************
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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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/* rc_rundown - GT.CM global database cleanup
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* Go through each global database and reset the "dsid" field in the header
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* to zero, indicating that GT.CM is not accessing this file. This is
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* necessary so that GT.M processes will not try to access the GT.CM
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* semaphore lock.
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*/
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#include "mdef.h"
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#include "rc.h"
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#include "gtm_facility.h"
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#include "fileinfo.h"
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#include "gdsroot.h"
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#include "gdsbt.h"
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#include "gdsfhead.h"
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#include "rc_nspace.h"
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#include "filestruct.h"
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GBLREF rc_dsid_list *dsid_list;
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GBLREF sgmnt_addrs *cs_addrs;
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GBLREF sgmnt_data_ptr_t cs_data;
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GBLREF gd_region *gv_cur_region;
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void rc_rundown(void)
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{
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rc_dsid_list *fdi_ptr;
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int dsid;
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for (fdi_ptr = dsid_list; fdi_ptr; fdi_ptr = fdi_ptr->next)
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{
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if (fdi_ptr->gda)
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{
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cs_addrs = &FILE_INFO(fdi_ptr->gda->maps[1].reg.addr)->s_addrs;
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gv_cur_region = fdi_ptr->gda->maps[1].reg.addr;
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cs_data = cs_addrs->hdr;
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dsid = cs_data->dsid;
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if (fdi_ptr->dsid != RC_NSPACE_DSID)
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{
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assert(!cs_addrs->hold_onto_crit); /* so we can safely do unconditional grab_crit and rel_crit */
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grab_crit(gv_cur_region);
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if (--cs_data->rc_srv_cnt <= 0)
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{
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cs_data->rc_node = cs_data->dsid = 0;
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cs_data->rc_srv_cnt = 0;
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cs_addrs->hdr->dsid = 0;
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}
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rel_crit(gv_cur_region);
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}
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}
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}
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}
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