76 lines
2.9 KiB
C
76 lines
2.9 KiB
C
/****************************************************************
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* *
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* Copyright 2003, 2012 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_inet.h"
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#ifdef VMS
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#include <descrip.h> /* Required for gtmsource.h */
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#endif
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#include "gtm_time.h"
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#include "gdsroot.h"
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#include "gtm_facility.h"
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#include "fileinfo.h"
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#include "gdsbt.h"
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#include "gdsblk.h"
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#include "gdsfhead.h"
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#include "filestruct.h"
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#include "jnl.h"
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#include "jnl_write.h"
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#include "repl_msg.h"
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#include "gtmsource.h"
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#include "jnl_get_checksum.h"
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GBLREF jnlpool_ctl_ptr_t jnlpool_ctl;
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GBLREF jnl_gbls_t jgbl;
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void jnl_write_eof_rec(sgmnt_addrs *csa, struct_jrec_eof *eof_record)
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{
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jnl_private_control *jpc;
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assert(csa->now_crit);
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jpc = csa->jnl;
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assert(0 != jpc->pini_addr);
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eof_record->prefix.jrec_type = JRT_EOF;
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eof_record->prefix.forwptr = eof_record->suffix.backptr = EOF_RECLEN;
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eof_record->suffix.suffix_code = JNL_REC_SUFFIX_CODE;
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eof_record->prefix.pini_addr = (0 == jpc->pini_addr) ? JNL_HDR_LEN : jpc->pini_addr;
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eof_record->prefix.tn = csa->hdr->trans_hist.curr_tn;
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eof_record->prefix.checksum = INIT_CHECKSUM_SEED;
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/* At this point jgbl.gbl_jrec_time should be set by the caller */
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assert(jgbl.gbl_jrec_time);
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eof_record->prefix.time = jgbl.gbl_jrec_time;
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ASSERT_JNL_SEQNO_FILEHDR_JNLPOOL(csa->hdr, jnlpool_ctl); /* debug-only sanity check between seqno of filehdr and jnlpool */
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UNIX_ONLY(
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/* In UNIX, mur_close_files, at the beginning sets both jgbl.mur_jrec_seqno and csa->hdr->reg_seqno to
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* murgbl.consist_jnl_seqno. Assert that this is indeed the case. However, csa->hdr->reg_seqno is NOT
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* maintained by rollback during forward phase of recovery and is set only at mur_close_files whereas
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* jgbl.mur_jrec_seqno is maintained all along. So, unless we are called from mur_close_files, we cannot
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* rely csa->hdr->reg_seqno and so we can do the equality check only if we are called from mur_close_files
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*/
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assert(!jgbl.forw_phase_recovery || !jgbl.mur_rollback || (jgbl.mur_jrec_seqno == csa->hdr->reg_seqno)
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|| !process_exiting);
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)
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if (!jgbl.forw_phase_recovery)
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{
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if (REPL_ALLOWED(csa))
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eof_record->jnl_seqno = csa->hdr->reg_seqno;/* Note we cannot use jnlpool_ctl->jnl_seqno since
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* we might not presently hold the journal pool lock */
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else
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eof_record->jnl_seqno = 0;
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} else
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QWASSIGN(eof_record->jnl_seqno, jgbl.mur_jrec_seqno);
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eof_record->filler = 0;
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eof_record->prefix.checksum = compute_checksum(INIT_CHECKSUM_SEED, (uint4 *)eof_record, SIZEOF(struct_jrec_eof));
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jnl_write(jpc, JRT_EOF, (jnl_record *)eof_record, NULL, NULL);
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}
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