asio C++ library

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basic_deadline_timer::cancel (1 of 2 overloads)

Cancel any asynchronous operations that are waiting on the timer.

std::size_t cancel();

This function forces the completion of any pending asynchronous wait operations against the timer. The handler for each cancelled operation will be invoked with the asio::error::operation_aborted error code.

Cancelling the timer does not change the expiry time.

Return Value

The number of asynchronous operations that were cancelled.

Exceptions

asio::system_error

Thrown on failure.


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