99 lines
3.7 KiB
C
99 lines
3.7 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2011 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 "cdb_sc.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 "error.h"
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#include "ast.h"
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#include "send_msg.h"
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#include "t_commit_cleanup.h"
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#include "util.h"
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#include "have_crit.h"
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#include "filestruct.h"
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#include "jnl.h"
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GBLREF boolean_t created_core;
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GBLREF boolean_t need_core;
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GBLREF boolean_t dont_want_core;
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GBLREF sgmnt_addrs *cs_addrs;
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GBLREF uint4 dollar_tlevel;
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GBLREF jnl_gbls_t jgbl;
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error_def(ERR_ASSERT);
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error_def(ERR_GTMASSERT);
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error_def(ERR_GTMASSERT2);
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error_def(ERR_GTMCHECK);
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error_def(ERR_OUTOFSPACE);
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error_def(ERR_STACKOFLOW);
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error_def(ERR_MEMORY);
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error_def(ERR_VMSMEMORY);
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CONDITION_HANDLER(t_ch)
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{
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boolean_t retvalue;
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START_CH;
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UNIX_ONLY(
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/* To get as virgin a state as possible in the core, take the core now if we
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* would be doing so anyway. This will set created_core so it doesn't happen again.
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*/
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if (DUMPABLE)
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{ /* this is most likely a fatal error, therefore print the error right here as we do not know if
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* the send_msg() call in t_commit_cleanup() done below might overlay this primary fatal error.
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*/
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PRN_ERROR;
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if (!SUPPRESS_DUMP)
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{
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need_core = TRUE;
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gtm_fork_n_core();
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}
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}
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)
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if ((SUCCESS == SEVERITY) || (INFO == SEVERITY))
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{ /* We dont know how it is possible to have a success or info type severity message show up while we are in
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* the middle of a transaction commit. In any case, return right away instead of invoking t_commit_cleanup.
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* The issue with invoking that is that it would complete the transaction and release crit but the NEXTCH
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* call at the end of this condition handler would invoke the next level condition handler which could
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* decide the message is innocuous and therefore decide to return control to where the error was signalled
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* in the first place (in the midst of database commit) which can cause database damage since we no longer
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* hold crit.
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*/
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assert(FALSE);
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CONTINUE;
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}
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ENABLE_AST;
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/* Reset jgbl.dont_reset_gbl_jrec_time to FALSE if already set by tp_tend and we come here due to an rts_error in wcs_flu.
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* However, if it was forward recovery that ended up invoking tp_tend, then we should not reset the variable to FALSE as
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* forward recovery keeps it set to TRUE for its entire duration. So, take that into account for the if check.
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*/
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if (jgbl.dont_reset_gbl_jrec_time && dollar_tlevel && !jgbl.forw_phase_recovery)
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jgbl.dont_reset_gbl_jrec_time = FALSE;
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/* We could go through all regions involved in the TP and check for crit on only those regions - instead we use an
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* existing function "have_crit". If the design assumption that all crits held at transaction commit time are
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* transaction related holds true, the result is the same and efficiency doesn't matter (too much) in exception handling.
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*/
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if ((!dollar_tlevel && T_IN_CRIT_OR_COMMIT(cs_addrs))
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|| (dollar_tlevel && (0 != have_crit(CRIT_HAVE_ANY_REG | CRIT_IN_COMMIT))))
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{
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retvalue = t_commit_cleanup(cdb_sc_uperr, SIGNAL); /* if return value is TRUE, it means transaction commit has */
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assert(!retvalue || DUMPABLE); /* started in which case we should not have come to t_ch() */
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/* instead t_end/tp_tend would have called t_commit_cleanup */
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}
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NEXTCH;
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}
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