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* Removed nrWaitees field. It was redundant with waitees.size() and

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could get out of sync if multiple input derivations mapped to the
  same closure expression (since waitees is a set).
This commit is contained in:
Eelco Dolstra 2004-08-30 11:51:36 +00:00
parent eb233e728f
commit fe122c5a15
1 changed files with 5 additions and 24 deletions
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29
src/libstore/normalise.cc
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@ -53,10 +53,7 @@ protected:
here to prevent cycles. */
WeakGoals waiters;
/* Number of goals we are waiting for. */
unsigned int nrWaitees;
/* Number of goals we were waiting for that have failed. */
/* Number of goals we are/were waiting for that have failed. */
unsigned int nrFailed;
/* Whether amDone() has been called. */
@ -66,6 +63,7 @@ protected:
Goal(Worker & _worker) : worker(_worker)
{
done = false;
nrFailed = 0;
}
virtual ~Goal()
@ -73,12 +71,6 @@ protected:
printMsg(lvlVomit, "goal destroyed");
}
void resetWaitees(int nrWaitees)
{
this->nrWaitees = nrWaitees;
nrFailed = 0;
}
public:
virtual void work() = 0;
@ -210,8 +202,7 @@ void Goal::waiteeDone(GoalPtr waitee, bool success)
if (!success) ++nrFailed;
assert(nrWaitees > 0);
if (!--nrWaitees || (!success && !keepGoing)) {
if (waitees.empty() || (!success && !keepGoing)) {
/* If we failed and keepGoing is not set, we remove all
remaining waitees. */
@ -453,7 +444,6 @@ void NormalisationGoal::init()
/* The first thing to do is to make sure that the store expression
exists. If it doesn't, it may be created through a
substitute. */
resetWaitees(1);
addWaitee(worker.makeSubstitutionGoal(nePath));
state = &NormalisationGoal::haveStoreExpr;
@ -489,8 +479,6 @@ void NormalisationGoal::haveStoreExpr()
i != expr.derivation.inputs.end(); ++i)
addWaitee(worker.makeNormalisationGoal(*i));
resetWaitees(expr.derivation.inputs.size());
state = &NormalisationGoal::inputNormalised;
}
@ -513,8 +501,6 @@ void NormalisationGoal::inputNormalised()
i != expr.derivation.inputs.end(); ++i)
addWaitee(worker.makeRealisationGoal(queryNormalForm(*i)));
resetWaitees(expr.derivation.inputs.size());
state = &NormalisationGoal::inputRealised;
}
@ -1284,7 +1270,6 @@ void RealisationGoal::init()
/* First normalise the expression (which is a no-op if the
expression is already a closure). */
resetWaitees(1);
addWaitee(worker.makeNormalisationGoal(nePath));
/* Since there is no successor right now, the normalisation goal
@ -1310,7 +1295,6 @@ void RealisationGoal::isNormalised()
/* Now make sure that the store expression exists. If it doesn't,
it may be created through a substitute. */
resetWaitees(1);
addWaitee(worker.makeSubstitutionGoal(nfPath));
state = &RealisationGoal::haveStoreExpr;
@ -1341,8 +1325,6 @@ void RealisationGoal::haveStoreExpr()
i != expr.closure.elems.end(); ++i)
addWaitee(worker.makeSubstitutionGoal(i->first));
resetWaitees(expr.closure.elems.size());
state = &RealisationGoal::elemFinished;
}
@ -1371,6 +1353,7 @@ void RealisationGoal::fallBack(const format & error)
% error);
tryFallback = false;
unregisterSuccessor(nePath);
nrFailed = 0;
init();
} else {
printMsg(lvlError, format("%1%; maybe `--fallback' will help") % error);
@ -1492,8 +1475,8 @@ void SubstitutionGoal::tryNext()
subs.pop_front();
/* Normalise the substitute store expression. */
nrFailed = 0;
addWaitee(worker.makeNormalisationGoal(sub.storeExpr));
resetWaitees(1);
state = &SubstitutionGoal::exprNormalised;
}
@ -1512,8 +1495,6 @@ void SubstitutionGoal::exprNormalised()
nfSub = queryNormalForm(sub.storeExpr);
addWaitee(worker.makeRealisationGoal(nfSub));
resetWaitees(1);
state = &SubstitutionGoal::exprRealised;
}