diogo/yap-6.3
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fix self-deadlock in empty IDB entries.

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This commit is contained in:
Vitor Santos Costa 2009-04-16 12:55:47 -05:00
parent 9624026beb
commit c685991119
1 changed files with 7 additions and 0 deletions
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7
C/dbase.c
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@ -3449,6 +3449,13 @@ lu_recorded(PredEntry *pe) {
YENV[E_CB] = (CELL) B; YENV[E_CB] = (CELL) B;
} }
P = pe->CodeOfPred; P = pe->CodeOfPred;
#if defined(YAPOR) || defined(THREADS)
/* avoid holding a lock if we don't have anything in the database */
if (P == FAILCODE) {
UNLOCK(pe->PELock);
PP = NULL;
}
#endif
} }
if (pe->PredFlags & ProfiledPredFlag) { if (pe->PredFlags & ProfiledPredFlag) {
LOCK(pe->StatisticsForPred.lock); LOCK(pe->StatisticsForPred.lock);