5 Simple Techniques For sleep

5 Simple Techniques For sleep

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The behavior of a software is undefined if a mutex is ruined when continue to owned by any threads, or perhaps a thread terminates even though possessing a mutex. The mutex class satisfies all necessities of Mutex and StandardLayoutType.

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This overload might be utilized to ignore spurious awakenings while waiting for a selected ailment to be genuine.

The very best-amount perform may perhaps talk its return benefit or an exception for the caller by using std::guarantee or by modifying shared variables (which can demand synchronization, see std::mutex and std::atomic).

Whether or not the shared variable is atomic, it needs to be modified whilst possessing the mutex to properly publish the modification into the waiting thread.

The very best-stage functionality may talk its return price or an exception to your caller via std::promise or by modifying shared variables (which may call for synchronization, see std::mutex and std::atomic).

The normal suggests the clock tied to abs_time be accustomed to measure time; that clock is just not necessary to be described as a monotonic clock. There isn't any assures concerning the actions of the functionality Should the clock is altered 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 into the system clock, but not to the user-provided Clock.

Although notified less than lock, overload (one) will make no assures with regard to the point out with the affiliated predicate when returning as a consequence of timeout.

The operate also might block until just after sleep_time has actually been attained because of system scheduling or useful resource competition delays.

atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit

The class thread signifies an individual thread of execution. Threads allow for several capabilities to execute concurrently.

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Blocks the execution of the current thread for a minimum of right until the TIME_UTC primarily based length pointed Stages of sleep to by period has elapsed.

This overload could possibly be made use of to ignore spurious awakenings even though looking ahead to a specific problem to be legitimate.

Threads start off execution straight away upon construction in the linked thread item (pending any OS scheduling delays), starting up at the best-amount operate furnished to be a constructor argument. The return value of the top-degree perform is overlooked and when it terminates by throwing an exception, std::terminate is referred to as.