diff options
Diffstat (limited to 'src/corelib/thread/qfuture.h')
| -rw-r--r-- | src/corelib/thread/qfuture.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/corelib/thread/qfuture.h b/src/corelib/thread/qfuture.h index bfca16b6417..22ab0c13ded 100644 --- a/src/corelib/thread/qfuture.h +++ b/src/corelib/thread/qfuture.h @@ -168,6 +168,9 @@ public: QFuture<T> onFailed(Function &&handler); #endif + template<class Function, typename = std::enable_if_t<std::is_invocable_r_v<T, Function>>> + QFuture<T> onCanceled(Function &&handler); + class const_iterator { public: @@ -281,6 +284,9 @@ private: template<class Function, class ResultType, class ParentResultType> friend class QtPrivate::Continuation; + template<class Function, class ResultType> + friend class QtPrivate::CanceledHandler; + #ifndef QT_NO_EXCEPTIONS template<class Function, class ResultType> friend class QtPrivate::FailureHandler; @@ -359,6 +365,15 @@ QFuture<T> QFuture<T>::onFailed(Function &&handler) #endif +template<class T> +template<class Function, typename> +QFuture<T> QFuture<T>::onCanceled(Function &&handler) +{ + QFutureInterface<T> promise(QFutureInterfaceBase::State::Pending); + QtPrivate::CanceledHandler<Function, T>::create(std::forward<Function>(handler), this, promise); + return promise.future(); +} + inline QFuture<void> QFutureInterface<void>::future() { return QFuture<void>(this); |