An Unbiased View of sleep
The returned price of overload (three) signifies whether pred evaluated to legitimate, irrespective of whether there was a quit asked for or not.
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
If coverage is std::launch::async
The top-stage function may possibly communicate its return price or an exception towards the caller via std::guarantee or by modifying shared variables (which may call for synchronization, see std::mutex and std::atomic).
3) Registers *this with the duration of the connect with, to become notified if a halt request is created on stoken's affiliated stop-condition; it is actually then comparable to
The decision to std::async synchronizes with the call to f, as well as the completion of file is sequenced before you make the shared point out ready.
The particular sleep time may be lengthier than requested since it is rounded up on the timer granularity and since of scheduling and context switching overhead.
A clock consists of a place to begin (or epoch) and also a tick fee. By way of example, a clock could have an epoch of January 1, 1970 and tick every next. C++ defines various clock sorts: Outlined in header Defined in namespace std::chrono
In any circumstance, the purpose also may possibly await lengthier than till after abs_time has long been achieved on account of scheduling or resource contention delays.
This function may perhaps block for extended than timeout_duration as a result of scheduling or resource rivalry delays.
No two std::thread How to get better sleep objects may possibly signify a similar thread of execution; std::thread is just not CopyConstructible or CopyAssignable, although it is MoveConstructible and MoveAssignable.
std::start::deferred.
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
When the std::long run acquired from std::async is not really moved from or certain to a reference, the destructor of your std::potential will block at the conclusion of the total expression right until the asynchronous operation completes, fundamentally creating code for instance the following synchronous: