Considerations To Know About sleep
Considerations To Know About sleep
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The returned price of overload (three) suggests no matter if pred evaluated to legitimate, irrespective of whether there was a prevent asked for or not.
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
If plan is std::start::async
These elements are provided for fantastic-grained atomic operations letting for lockless concurrent programming. Every atomic Procedure is indivisible with regards to some other atomic operation that will involve precisely the same item. Atomic objects are totally free of knowledge races.
Mutual exclusion algorithms prevent several threads from at the same time accessing shared resources. This prevents knowledge races and presents assistance for synchronization among threads. Described in header
Waits for the result to be out there. Blocks till specified timeout_duration has elapsed or the result will become out there, whichever comes very first. The return price identifies the point out of The end result.
Even though the clock in use is std::chrono::steady_clock or Yet another monotonic clock, a technique clock adjustment may possibly induce a spurious wakeup.
Continual Clarification future_status::deferred The shared condition includes a deferred perform making use of lazy evaluation, so the result will probably be computed only when explicitly requested future_status::ready How to get better sleep The result is ready future_status::timeout The timeout has expired [edit] Exceptions
This overload may be made use of to disregard spurious awakenings even though looking forward to a specific ailment to be correct.
This function may perhaps block for extended than timeout_duration due to scheduling or useful resource contention delays.
period and remaining could point at precisely the same object, which simplifies re-jogging the function after a sign.
std::launch::deferred.
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
Threads begin execution right away on design from the linked thread item (pending any OS scheduling delays), starting at the very best-stage functionality provided like a constructor argument. The return worth of the best-level perform is overlooked and when it terminates by throwing an exception, std::terminate is called.
std::condition_variable can be a synchronization primitive used with a std::mutex to block one or more threads till Yet another thread the two modifies a shared variable (the issue) and notifies the std::condition_variable.