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#include "goal.hh"
#include "worker.hh"
namespace nix {
bool CompareGoalPtrs::operator() (const GoalPtr & a, const GoalPtr & b) const {
std::string s1 = a->key();
std::string s2 = b->key();
return s1 < s2;
}
void addToWeakGoals(WeakGoals & goals, GoalPtr p)
{
if (goals.find(p) != goals.end())
return;
goals.insert(p);
}
void Goal::addWaitee(GoalPtr waitee)
{
waitees.insert(waitee);
addToWeakGoals(waitee->waiters, shared_from_this());
}
void Goal::waiteeDone(GoalPtr waitee, ExitCode result)
{
assert(waitees.count(waitee));
waitees.erase(waitee);
trace(fmt("waitee '%s' done; %d left", waitee->name, waitees.size()));
if (result == ecFailed || result == ecNoSubstituters || result == ecIncompleteClosure) ++nrFailed;
if (result == ecNoSubstituters) ++nrNoSubstituters;
if (result == ecIncompleteClosure) ++nrIncompleteClosure;
if (waitees.empty() || (result == ecFailed && !settings.keepGoing)) {
/* If we failed and keepGoing is not set, we remove all
remaining waitees. */
for (auto & goal : waitees) {
goal->waiters.extract(shared_from_this());
}
waitees.clear();
worker.wakeUp(shared_from_this());
}
}
void Goal::amDone(ExitCode result, std::optional<Error> ex)
{
trace("done");
assert(exitCode == ecBusy);
assert(result == ecSuccess || result == ecFailed || result == ecNoSubstituters || result == ecIncompleteClosure);
exitCode = result;
if (ex) {
if (!waiters.empty())
logError(ex->info());
else
this->ex = std::move(*ex);
}
for (auto & i : waiters) {
GoalPtr goal = i.lock();
if (goal) goal->waiteeDone(shared_from_this(), result);
}
waiters.clear();
worker.removeGoal(shared_from_this());
cleanup();
}
void Goal::trace(const FormatOrString & fs)
{
debug("%1%: %2%", name, fs.s);
}
}
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