Oct 28, 2024 · The function template std::async runs the function f asynchronously (potentially in a separate thread which might be a part of a thread pool) and returns a std::future that will …

Mar 19, 2025 · std::launch is a BitmaskType. It specifies the launch policy for a task executed by the std::async function. Constants The following constants denoting individual bits are defined …

Mar 12, 2024 · 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. …

Oct 23, 2023 · 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 …

Mar 5, 2025 · 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 …

Apr 29, 2025 · Futures The standard library provides facilities to obtain values that are returned and to catch exceptions that are thrown by asynchronous tasks (i.e. functions launched in …

Nov 27, 2023 · async = /* unspecified */, deferred = /* unspecified */, /* implementation-defined */ }; enum class future_status { ready, timeout, deferred }; template<> struct is_error_code_enum …

Aug 27, 2021 · Blocks until the result becomes available. valid() == true after the call. The behavior is undefined if valid() == false before the call to this function.

Oct 23, 2023 · The class template std::promise provides a facility to store a value or an exception that is later acquired asynchronously via a std::future object created by the std::promise object. …

Sep 11, 2023 · The C++ Extensions for Networking, ISO/IEC TS 19216:2018, defines new components for the C++ standard library listed on this page.