The Single Best Strategy To Use For sleep
The Single Best Strategy To Use For sleep
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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
the involved thread completion synchronizes-With all the thriving return from the primary functionality which is waiting around about the shared state, or with the return of the last operate that releases the shared condition, whichever arrives 1st.
The top-amount operate might communicate its return price or an exception for the caller via std::assure or by modifying shared variables (which may need synchronization, see std::mutex and std::atomic).
three) Registers *this for that duration of this simply call, to become notified if a prevent request is built on stoken's affiliated prevent-condition; it is actually then akin to
The decision to std::async synchronizes with the call to file, as well as completion of f is sequenced prior to making the shared point out Prepared.
blocks the current thread right up until the affliction variable is awakened or until specified time stage has become arrived at (public member perform) [edit] Indigenous tackle
A clock includes a starting point (or epoch) in addition to a tick amount. One example is, a clock could have an epoch of January 1, 1970 and tick each second. C++ defines quite a few clock forms: Outlined in header Outlined in namespace std::chrono
In any case, the functionality also may well anticipate for a longer time than till after abs_time has long been arrived at on account of scheduling or source contention delays.
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
If the long run is the result of a phone to std::async that used lazy analysis, this function returns promptly with out ready.
The regular recommends that a gentle clock is accustomed to measure the period. If an implementation works by using a technique clock as an alternative, the wait time could also be delicate to clock adjustments.
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
Threads start execution right away on design of the related thread object (pending any OS scheduling delays), starting up at the highest-amount function supplied like a constructor argument. The return worth of the highest-amount functionality is ignored and if it terminates by throwing an exception, std::terminate is known as.
If the function f returns a value or throws an exception, it is stored within the shared state How sleep cycle works accessible through the std::long term that std::async returns towards the caller. [edit] Deferred invocation