5 Simple Techniques For sleep
5 Simple Techniques 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
a contact to the waiting around function on an asynchronous return item that shares the shared condition created by this std::async simply call blocks until finally the associated thread has concluded, as though joined, or else trip; and
The very best-level functionality may well converse its return worth or an exception towards the caller by way of std::promise or by modifying shared variables (which can demand synchronization, see std::mutex and std::atomic).
three) Registers *this for the length of the get in touch with, to generally be notified if a halt request is built on stoken's connected prevent-state; it can be then comparable to
The mutex class is really a synchronization primitive that could be made use of to protect shared information from getting concurrently accessed by a number of threads.
Even though the clock in use is std::chrono::steady_clock or Yet another monotonic clock, a program clock adjustment could induce a spurious wakeup.
Although notified underneath lock, overload (1) helps make no guarantees about the point out with the connected predicate when returning due to timeout.
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
This operate might block for for a longer period than sleep_duration because of scheduling or resource competition delays.
period and remaining may perhaps stage at the identical object, which simplifies re-working the operate after a signal.
std::start::deferred.
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 true.
Should the std::potential obtained from std::async is just not moved from or bound to a reference, the Stages of sleep destructor of your std::potential will block at the conclusion of the complete expression until the asynchronous operation completes, essentially building code like the subsequent synchronous: