sleep Fundamentals Explained
sleep Fundamentals Explained
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atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
Delivers a touch on the implementation to reschedule the execution of threads, making it possible for other threads to run.
This overload can be utilised to ignore spurious awakenings whilst waiting for a selected condition to be real.
The highest-level purpose might connect its return worth or an exception towards the caller by means of std::promise or by modifying shared variables (which can need synchronization, see std::mutex and std::atomic).
Although 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-amount function could converse its return benefit or an exception to the caller by way of std::guarantee or by modifying shared variables (which can have to have synchronization, see std::mutex and std::atomic).
The regular suggests the clock tied to abs_time be accustomed to evaluate time; that clock will not be needed to certainly be a monotonic clock. There isn't any assures concerning the actions of the functionality if the clock is adjusted discontinuously, but the prevailing implementations transform abs_time from Clock to std::chrono::system_clock and delegate to POSIX pthread_cond_timedwait so which the hold out honors changes to your process clock, although not to your person-furnished Clock.
Regardless of whether notified underneath lock, overload (one) can make no ensures in regards to the condition on the linked predicate when returning as a result 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
The category thread represents a single thread of execution. Threads let multiple features to execute concurrently.
A duration contains a span of time, outlined as some number of ticks of a while device. For instance, "forty two seconds" may be represented by a period consisting of 42 ticks of the 1-2nd time unit. Outlined in header Described in namespace std::chrono
Blocks the execution of the present thread for at least right up until the TIME_UTC centered duration pointed to by length has elapsed.
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
If your functionality file returns a worth or throws an exception, it is actually saved while in the shared condition available throughout the std::foreseeable future that std::async returns to your caller. Stages of sleep [edit] Deferred invocation