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
A ailment variable can be a synchronization primitive which allows multiple threads to communicate with each other.
If plan is std::start::async
These elements are offered for good-grained atomic functions letting for lockless concurrent programming. Every single atomic operation is indivisible with regards to another atomic Procedure that requires the same item. Atomic objects are free of charge of data races.
Presents a hint for the implementation to reschedule the execution of threads, letting other threads to operate.
The mutex class is really a synchronization primitive that may be utilized to guard shared information from becoming simultaneously accessed by numerous threads.
The actual sleep time might be lengthier than requested as it is rounded up to your timer granularity and since of scheduling and context switching overhead.
Whether or not notified below lock, overload (one) helps make no guarantees with regard to the condition of the affiliated predicate when returning as a result of timeout.
This overload could possibly be made use of to ignore spurious awakenings even though looking ahead to a specific issue to be true.
The implementation may well increase the actions of the first overload of std::async by enabling extra (implementation-defined) bits inside the default How sleep cycle works start coverage.
If the longer term is the results of a phone to std::async that employed lazy evaluation, this functionality returns promptly devoid of waiting around.
std::launch::deferred.
Blocks the execution of the current thread for a minimum of until finally the TIME_UTC centered length pointed to by period has elapsed.
atomic_compare_exchange_weakatomic_compare_exchange_weak_explicitatomic_compare_exchange_strongatomic_compare_exchange_strong_explicit
Should the std::long term acquired from std::async will not be moved from or sure to a reference, the destructor of the std::potential will block at the conclusion of the entire expression until the asynchronous operation completes, primarily producing code like the next synchronous: