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Update flow/ThreadHelper.actor.h 

Co-authored-by: A.J. Beamon <aj.beamon@snowflake.com>
This commit is contained in:
Daniel Smith 2021-06-29 13:31:36 -04:00 committed by GitHub
parent 119a52c2e9
commit 23fc685518
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1 changed files with 1 additions and 1 deletions
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flow/ThreadHelper.actor.h
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@ -638,7 +638,7 @@ ThreadFuture<decltype(std::declval<F>()().getValue())> onMainThread(F f) {
Promise<Void> signal; Promise<Void> signal;
auto returnValue = new ThreadSingleAssignmentVar<decltype(std::declval<F>()().getValue())>(); auto returnValue = new ThreadSingleAssignmentVar<decltype(std::declval<F>()().getValue())>();
returnValue->addref(); // For the ThreadFuture we return returnValue->addref(); // For the ThreadFuture we return
// TODO: Is this cancellation logic actually needed? // TODO: Is this cancellation logic actually needed?
Future<Void> cancelFuture = internal_thread_helper::doOnMainThread<decltype(std::declval<F>()().getValue()), F>( Future<Void> cancelFuture = internal_thread_helper::doOnMainThread<decltype(std::declval<F>()().getValue()), F>(
signal.getFuture(), f, returnValue); signal.getFuture(), f, returnValue);
returnValue->setCancel(std::move(cancelFuture)); returnValue->setCancel(std::move(cancelFuture));