5 Essential Elements For sleep
5 Essential Elements For sleep
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The actions of the method is undefined if a mutex is wrecked although nevertheless owned by any threads, or perhaps a thread terminates while proudly owning a mutex. The mutex course satisfies all demands of Mutex and StandardLayoutType.
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
This overload could possibly be employed to ignore spurious awakenings when expecting a specific ailment to be accurate.
The top-stage function may possibly communicate its return price or an exception for the caller by way of std::promise or by modifying shared variables (which can need synchronization, see std::mutex and std::atomic).
three) Registers *this for the length of the phone, for being notified if a quit ask for is designed on stoken's linked cease-state; it is then such as
The decision to std::async synchronizes with the call to file, and also the completion of f is sequenced before you make the shared condition ready.
The typical recommends the clock tied to abs_time be utilized to measure time; that clock will not be required to be described as a monotonic clock. There are no ensures concerning the conduct of the function In case the clock is altered discontinuously, but the present implementations transform abs_time from Clock to std::chrono::system_clock and delegate to POSIX pthread_cond_timedwait so that the wait around honors changes towards the process clock, but not for the person-supplied Clock.
The typical endorses that a steady clock is accustomed to evaluate the duration. If an implementation utilizes a process clock instead, the wait around time may be delicate to clock adjustments.
The functionality also may perhaps block until following sleep_time is attained on account of course of action scheduling or useful resource rivalry delays.
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
The class thread signifies a single thread of execution. Threads let numerous features to execute concurrently.
A duration contains a span of time, described as some variety of ticks of a while unit. Such as, "42 seconds" may very well be represented by a duration consisting of forty two ticks of a one-next time unit. Described in header Defined in namespace std::chrono
Blocks the execution of the present thread for a minimum of until finally the TIME_UTC dependent duration pointed to by duration has elapsed.
This overload may very well Tips to improve your sleep routine be utilized to disregard spurious awakenings though awaiting a certain affliction to become correct.
Threads start execution quickly on design of your associated thread object (pending any OS scheduling delays), commencing at the highest-stage functionality provided as a constructor argument. The return value of the very best-stage purpose is overlooked and when it terminates by throwing an exception, std::terminate known as.