The Single Best Strategy To Use For sleep

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std::launch::deferred or has extra bits set, it'll drop back to deferred invocation or the implementation-defined policies In this instance.

The regular endorses the clock tied to sleep_time be used, through which case changes from the clock may very well be taken into consideration. So, the length of your block could be kind of than sleep_time - Clock::now() at time of the decision, according to the way in the adjustment and whether it's honored from the implementation.

A time level can be a period of time that has passed For the reason that epoch of a selected clock. Defined in header Defined in namespace std::chrono

atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit

std::potential referring on the shared point out established by this call to std::async. [edit] Launch policies

The category jthread signifies an individual thread of execution. It's the identical common behavior as Tips to improve your sleep routine std::thread, except that jthread quickly rejoins on destruction, and will be cancelled/stopped in selected predicaments.

It permits some number of threads to attend (potentially having a timeout) for notification from another thread which they could proceed. A ailment variable is usually related to a mutex. Described in header

The implementation may well lengthen the behavior of the 1st overload of std::async by enabling further (implementation-defined) bits from the default launch policy.

Observe which the destructors of std::futures acquired by usually means apart from a connect with to std::async in no way block. [edit] Case in point

The typical recommends that a gradual clock is utilized to measure the length. If an implementation employs a process clock rather, the wait around time could also be sensitive to clock adjustments.

A contacting thread owns a mutex from your time that it efficiently phone calls either lock or try_lock right up until it phone calls unlock.

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The end result or exception is positioned from the shared point out associated with the returned std::future and only then it's created Prepared. All even more accesses to the exact same std::upcoming will return The end result straight away.