Boost C++ Libraries

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io_context::poll_one (2 of 2 overloads)

(Deprecated: Use non-error_code overload.) Run the io_context object's event processing loop to execute one ready handler.

count_type poll_one(
    boost::system::error_code & ec);

The poll_one() function runs at most one handler that is ready to run, without blocking.

Parameters

ec

Set to indicate what error occurred, if any.

Return Value

The number of handlers that were executed.


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