Facts About sleep Revealed
Facts About sleep Revealed
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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
std::launch::deferred or has extra bits set, it will fall back again to deferred invocation or perhaps the implementation-outlined procedures In cases like this.
The best-stage perform may connect its return worth or an exception towards the caller by using std::guarantee or by modifying shared variables (which may need synchronization, see std::mutex and std::atomic).
Even if the shared variable is atomic, it should be modified even though proudly owning the mutex to correctly publish the modification towards the waiting around thread.
The best-level perform may possibly communicate its return worth or an exception on the caller by using std::promise or by modifying shared variables (which may demand synchronization, see std::mutex and std::atomic).
The conventional endorses which the clock tied to abs_time be utilized to measure time; that clock is not required to be a monotonic clock. There are no guarantees regarding the conduct of this perform In the event the clock is modified discontinuously, but the present implementations change abs_time from Clock to std::chrono::system_clock and delegate to POSIX pthread_cond_timedwait so the wait around honors adjustments for the program Tips to improve your sleep routine clock, but not for the consumer-offered Clock.
Even if notified under lock, overload (1) makes no guarantees concerning the state from the related predicate when returning because of timeout.
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
If the longer term is the result of a connect with to std::async that utilised lazy analysis, this operate returns immediately with no waiting.
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
This enables the purpose to examine if stop is asked for through its execution, and return if it has.
When the std::potential received from std::async is not really moved from or bound to a reference, the destructor from the std::foreseeable future will block at the conclusion of the entire expression until the asynchronous operation completes, primarily generating code for instance the subsequent synchronous: