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Code Issues

1. Let SUPERSERVER_V2 also check for transactions numbers overflow

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2. Correction
This commit is contained in:
hvlad 2006-02-05 11:06:28 +00:00
parent b053359860
commit e631258ed3
1 changed files with 7 additions and 2 deletions
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9
src/jrd/tra.cpp
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@ -92,7 +92,7 @@ static const SCHAR lock_types[] =
#endif /* VMS */
const int DEFAULT_LOCK_TIMEOUT = -1; // infinite
static const SLONG MAX_TRA_NUMBER = MAX_SLONG - 1;
static const SLONG MAX_TRA_NUMBER = MAX_SLONG;
using namespace Jrd;
using namespace Ods;
@ -2143,7 +2143,12 @@ static SLONG bump_transaction_id(thread_db* tdbb, WIN * window)
Database* dbb = tdbb->tdbb_database;
CHECK_DBB(dbb);
const ULONG number = ++dbb->dbb_next_transaction;
if (dbb->dbb_next_transaction >= MAX_TRA_NUMBER - 1)
{
CCH_RELEASE(tdbb, window);
ERR_post(isc_imp_exc, isc_arg_gds, isc_tra_num_exc, 0);
}
const SLONG number = ++dbb->dbb_next_transaction;
/* No need to write TID onto the TIP page, for a RO DB */
if (dbb->dbb_flags & DBB_read_only)