sleep No Further a Mystery
sleep No Further a Mystery
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No synchronization is executed on *this itself. Concurrently calling be a part of() on the exact same thread object from many threads constitutes a data race that brings about undefined actions.
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
the affiliated thread completion synchronizes-Along with the prosperous return from the 1st purpose that is certainly waiting around about the shared condition, or With all the return of the last function that releases the shared point out, whichever will come initially.
The conventional library gives amenities to get values which have been returned and also to capture exceptions which are thrown by asynchronous jobs (i.e. functions introduced in different threads). These values are communicated in the shared point out, during which the asynchronous endeavor might produce its return value or keep an exception, and which can be examined, waited for, and in any other case manipulated by other threads that keep situations of std::foreseeable future or std::shared_future that reference that shared point out. Defined in header
Even when the shared variable is atomic, it has to be modified when proudly owning the mutex to properly publish the modification towards the waiting thread.
Waits for the result to become accessible. Blocks until finally specified timeout_duration has elapsed or the result will become readily available, whichever will come first. The return value identifies the state of the result.
blocks The present thread until finally the situation variable is awakened or till specified time point has been arrived at (general public member operate) [edit] Native deal with
A clock contains a starting point (or epoch) plus a tick rate. By way of example, a clock may have an epoch of January 1, 1970 and tick each individual second. C++ defines various clock types: Outlined in header Described in namespace std::chrono
It allows some quantity of threads to wait (potentially which has a timeout) for notification from another thread that they could commence. A affliction variable is often associated with a mutex. Defined in header
Latches and barriers are thread coordination mechanisms that enable any variety of threads to block until finally an anticipated quantity of threads arrive. A latch cannot be reused, whilst a barrier can be used frequently. Defined in header
duration and remaining may issue at a similar item, which simplifies re-managing the operate after a signal.
The function template std::async operates the perform file asynchronously (perhaps inside a different thread which could be a Component of a thread pool) and returns a std::potential that will finally maintain the results of that operate call. one) Behaves as if (two) is known as with plan getting std::start::async
Blocks the execution of the current thread for a minimum of until finally the TIME_UTC centered duration pointed to by How to get better sleep period has elapsed.
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
The end result or exception is put during the shared point out associated with the returned std::future and only then it's produced Prepared. All more accesses to the identical std::potential will return the result right away.