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Run the io_context object's event processing loop for a specified duration.

    typename Rep,
    typename Period>
std::size_t run_for(
    const chrono::duration< Rep, Period > & rel_time);

The run_for() function blocks until all work has finished and there are no more handlers to be dispatched, until the io_context has been stopped, or until the specified duration has elapsed.



The duration for which the call may block.

Return Value

The number of handlers that were executed.