std::async - cppreference.com
2024年10月28日 · If policy is std:: launch:: async | std:: launch:: deferred or has additional bits set, it will fall back to deferred invocation or the implementation-defined policies in this case. Notes. The implementation may extend the behavior of the first overload of std::async by enabling additional (implementation-defined) bits in the default launch policy.
std::launch - cppreference.com
2024年7月9日 · std::launch is a BitmaskType.It specifies the launch policy for a task executed by the std::async function. [] Constant
std::future - cppreference.com
2024年3月12日 · An asynchronous operation (created via std::async, std::packaged_task, or std::promise) can provide a std::future object to the creator of that asynchronous operation. The creator of the asynchronous operation can then use a variety of methods to query, wait for, or extract a value from the std::future. These methods may block if the ...
std::future<T>::wait_for - cppreference.com
2021年8月27日 · If the future is the result of a call to std::async that used lazy evaluation, this function returns immediately without waiting. This function may block for longer than timeout_duration due to scheduling or resource contention delays. The standard recommends that a steady clock is used to measure the duration.
std::future<T>::wait - cppreference.com
2021年8月27日 · atomic_compare_exchange_weak atomic_compare_exchange_weak_explicit atomic_compare_exchange_strong atomic_compare_exchange_strong_explicit
std::shared_future - cppreference.com
2023年10月23日 · The class template std::shared_future provides a mechanism to access the result of asynchronous operations, similar to std::future, except that multiple threads are allowed to wait for the same shared state.
Execution library (since C++26) - cppreference.com
2024年11月24日 · Once started, the operation state’s lifetime cannot end before the async operation is complete, and its address must be stable. Scheduler: A lightweight handle to an execution context. An execution context is a source of asynchronous execution such as a thread pool or a GPU stream.
Coroutines (C++20) - cppreference.com
2024年12月5日 · A coroutine is a function that can suspend execution to be resumed later. Coroutines are stackless: they suspend execution by returning to the caller, and the data that is required to resume execution is stored separately from the stack.
std::future<T>::get - cppreference.com
2024年2月22日 · The get member function waits (by calling wait()) until the shared state is ready, then retrieves the value stored in the shared state (if any).
Concurrency support library (since C++11) - cppreference.com
2024年11月8日 · async (C++11) runs a function asynchronously (potentially in a new thread) and returns a std::future that ...