The smart Trick of sleep That No One is Discussing
The smart Trick of sleep That No One is Discussing
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The returned value of overload (three) implies irrespective of whether pred evaluated to legitimate, irrespective of whether there was a cease requested or not.
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
If coverage is std::start::async
These factors are presented for good-grained atomic functions enabling for lockless concurrent programming. Each atomic Procedure is indivisible with regards to any other atomic Procedure that entails exactly the same item. Atomic objects are totally free of knowledge races.
Mutual exclusion algorithms avoid a number of threads from at the same time accessing shared resources. This prevents information races and supplies guidance for synchronization concerning threads. Defined in header
Waits for the result to become offered. Blocks till specified timeout_duration has elapsed or the result turns into offered, whichever arrives initially. The return benefit identifies the point out of The Tips to improve your sleep routine 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.
Constant Explanation future_status::deferred The shared state contains a deferred function using lazy evaluation, so the result will be computed only when explicitly asked for future_status::Completely ready The end result is prepared future_status::timeout The timeout has expired [edit] Exceptions
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
This functionality may possibly block for lengthier than sleep_duration as a consequence of scheduling or source contention delays.
length and remaining may perhaps level at the same object, which simplifies re-functioning the operate following a signal.
A semaphore is a light-weight synchronization primitive used to constrain concurrent use of a shared useful resource. When either would suffice, a semaphore might be extra effective than the usual condition variable. Defined in header
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
When the perform f returns a value or throws an exception, it's stored inside the shared condition accessible with the std::potential that std::async returns for the caller. [edit] Deferred invocation