NAME

std::future_status - std::future_status

Synopsis

Defined in header <future>
enum class future_status {

ready,
timeout, (since C++11)
deferred

};

Specifies state of a future as returned by wait_for and wait_until functions of
std::future and std::shared_future.

Constant Explanation
deferred the shared state contains a deferred function, so the result will be
computed only when explicitly requested
ready the shared state is ready
timeout the shared state did not become ready before specified timeout duration has
passed

See also

waits for the result, returns if it is not available for the specified
wait_for timeout duration
(public member function of std::future<T>)
waits for the result, returns if it is not available for the specified
wait_for timeout duration
(public member function of std::shared_future<T>)
waits for the result, returns if it is not available until specified time
wait_until point has been reached
(public member function of std::future<T>)
waits for the result, returns if it is not available until specified time
wait_until point has been reached
(public member function of std::shared_future<T>)