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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

This overload can be made use of to disregard spurious awakenings when watching for a certain condition to be genuine.

These parts are supplied for great-grained atomic operations allowing for lockless concurrent programming. Each individual atomic operation is indivisible with regards to another atomic operation that involves precisely the same object. Atomic objects are free of charge of knowledge races.

Delivers a touch towards the implementation to reschedule the execution of threads, making it possible for other threads to operate.

Waits for The end result to become obtainable. Blocks till specified timeout_duration has elapsed or The end result will become available, whichever comes 1st. The return price identifies the point out of the result.

The common endorses which the clock tied to abs_time be utilized to evaluate time; that clock is not really needed to certainly be a monotonic clock. There are no ensures regarding the actions of the function if the clock is adjusted discontinuously, but the existing implementations convert abs_time from Clock Stages of sleep to std::chrono::system_clock and delegate to POSIX pthread_cond_timedwait so that the wait honors adjustments to the system clock, but not to your person-furnished Clock.

The regular recommends that a steady clock is used to evaluate the period. If an implementation utilizes a method clock rather, the wait time may also be sensitive to clock changes.

In any situation, the functionality also could wait for extended than right up until right after abs_time is reached due to scheduling or useful resource competition delays.

This operate may perhaps block for more time than timeout_duration because of scheduling or useful resource rivalry delays.

No two std::thread objects may well signify a similar thread of execution; std::thread is just not CopyConstructible or CopyAssignable, although it is MoveConstructible and MoveAssignable.

The function template std::async operates the function f asynchronously (perhaps in a independent thread which could be considered a Component of a thread pool) and returns a std::future that may eventually maintain the results of that function phone. one) Behaves like (two) is named with plan becoming std::start::async

atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit

This enables the functionality to examine if quit has become asked for all through its execution, and return if it has.

In the event the std::foreseeable future attained from std::async is not moved from or bound to a reference, the destructor in the std::foreseeable future will block at the conclusion of the entire expression until the asynchronous operation completes, primarily building code which include the next synchronous: