Async: mark our future as finished after returning from error handler

Error handlers don't have access to the future, so they can't mark it as finished,
so we do it after the error handler is run. This ensures that FutureWatchers will
finish.

1 files changed, 1 insertions, 0 deletions

diff --git a/async/src/async.h b/async/src/async.h
index a2a11ac..753a44f 100644
--- a/async/src/async.h
+++ b/async/src/async.h
@@ -342,6 +342,7 @@ void ThenExecutor<Out, In ...>::previousFutureReady()
     if (this->mPrevFuture && this->mPrevFuture->errorCode()) {
         if (this->mErrorFunc) {
             this->mErrorFunc(this->mPrevFuture->errorCode(), this->mPrevFuture->errorMessage());
+            this->mResult->setFinished();
         } else {
             static_cast<Async::Future<Out>*>(this->mResult)->setError(this->mPrevFuture->errorCode(), this->mPrevFuture->errorMessage());
             //propagate error if no error handler is available