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libstore: turn Worker::run() main loop into a promise

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Change-Id: Ib112ea9a3e67d5cb3d7d0ded30bbd25c96262470
This commit is contained in:
eldritch horrors 2024-09-30 01:31:29 +02:00
parent d31310bf59
commit b0c7c1ec66
2 changed files with 19 additions and 12 deletions
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29
src/libstore/build/worker.cc
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@ -297,6 +297,18 @@ std::vector<GoalPtr> Worker::run(std::function<Targets (GoalFactory &)> req)
topGoals.insert(goal);
}
auto promise = runImpl();
promise.wait(aio.waitScope).value();
std::vector<GoalPtr> results;
for (auto & [i, _p] : _topGoals) {
results.push_back(i);
}
return results;
}
kj::Promise<Result<void>> Worker::runImpl()
try {
debug("entered goal loop");
while (1) {
@ -313,12 +325,7 @@ std::vector<GoalPtr> Worker::run(std::function<Targets (GoalFactory &)> req)
Goals awake2 = std::move(awake);
for (auto & goal : awake2) {
checkInterrupt();
auto result = goal->work();
if (result.poll(aio.waitScope)) {
handleWorkResult(goal, result.wait(aio.waitScope).value());
} else {
childStarted(goal, std::move(result));
}
childStarted(goal, goal->work());
if (topGoals.empty()) break; // stuff may have been cancelled
}
@ -328,7 +335,7 @@ std::vector<GoalPtr> Worker::run(std::function<Targets (GoalFactory &)> req)
/* Wait for input. */
if (!children.isEmpty())
waitForInput().wait(aio.waitScope).value();
(co_await waitForInput()).value();
else {
assert(!awake.empty());
}
@ -344,11 +351,9 @@ std::vector<GoalPtr> Worker::run(std::function<Targets (GoalFactory &)> req)
assert(!settings.keepGoing || awake.empty());
assert(!settings.keepGoing || children.isEmpty());
std::vector<GoalPtr> results;
for (auto & [i, _p] : _topGoals) {
results.push_back(i);
}
return results;
co_return result::success();
} catch (...) {
co_return result::failure(std::current_exception());
}
kj::Promise<Result<void>> Worker::waitForInput()

2
src/libstore/build/worker.hh
View file

@ -188,6 +188,8 @@ private:
statisticsOutdated = true;
}
kj::Promise<Result<void>> runImpl();
public:
const Activity act;