std::cv_status

< cpp‎ | thread

Defined in header `<condition_variable>`
enum class cv_status { no_timeout, timeout };		(since C++11)

The scoped enumeration std::cv_status describes whether a timed wait returned because of timeout or not.

std::cv_status is used by the wait_for and wait_until member functions of std::condition_variable and std::condition_variable_any.

Member constants

Constant	Explanation
`no_timeout`	the condition variable was awakened with `notify_all`, `notify_one`, or spuriously
`timeout`	the condition variable was awakened by timeout expiration

See also

wait_for	blocks the current thread until the condition variable is awakened or after the specified timeout duration (public member function of `std::condition_variable`)
wait_for	blocks the current thread until the condition variable is awakened or after the specified timeout duration (public member function of `std::condition_variable_any`)
wait_until	blocks the current thread until the condition variable is awakened or until specified time point has been reached (public member function of `std::condition_variable`)
wait_until	blocks the current thread until the condition variable is awakened or until specified time point has been reached (public member function of `std::condition_variable_any`)