Create a partial completion token adapter that cancels an operation if not complete before the specified relative timeout has elapsed.

template<
    typename Rep,
    typename Period>
partial_cancel_after< chrono::steady_clock > cancel_after(
    const chrono::duration< Rep, Period > & timeout,
    cancellation_type_t cancel_type = cancellation_type::terminal);
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template<
    typename Clock,
    typename WaitTraits,
    typename Executor,
    typename Rep,
    typename Period>
partial_cancel_after_timer< Clock, WaitTraits, Executor > cancel_after(
    basic_waitable_timer< Clock, WaitTraits, Executor > & timer,
    const chrono::duration< Rep, Period > & timeout,
    cancellation_type_t cancel_type = cancellation_type::terminal);
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Create a partial completion token adapter that cancels an operation if not complete before the specified asynchronous operation completes.

template<
    typename Trigger>
constraint_t< is_async_operation< Trigger >::value, partial_cancel_after_trigger< decay_t< Trigger > > > cancel_after(
    Trigger && trigger,
    cancellation_type_t cancel_type = cancellation_type::terminal);
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Adapt a completion token to cancel an operation if not complete before the specified relative timeout has elapsed.

template<
    typename Rep,
    typename Period,
    typename CompletionToken>
cancel_after_t< decay_t< CompletionToken >, chrono::steady_clock > cancel_after(
    const chrono::duration< Rep, Period > & timeout,
    CompletionToken && completion_token);
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template<
    typename Rep,
    typename Period,
    typename CompletionToken>
cancel_after_t< decay_t< CompletionToken >, chrono::steady_clock > cancel_after(
    const chrono::duration< Rep, Period > & timeout,
    cancellation_type_t cancel_type,
    CompletionToken && completion_token);
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template<
    typename Clock,
    typename WaitTraits,
    typename Executor,
    typename Rep,
    typename Period,
    typename CompletionToken>
cancel_after_timer< decay_t< CompletionToken >, Clock, WaitTraits, Executor > cancel_after(
    basic_waitable_timer< Clock, WaitTraits, Executor > & timer,
    const chrono::duration< Rep, Period > & timeout,
    CompletionToken && completion_token);
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template<
    typename Clock,
    typename WaitTraits,
    typename Executor,
    typename Rep,
    typename Period,
    typename CompletionToken>
cancel_after_timer< decay_t< CompletionToken >, Clock, WaitTraits, Executor > cancel_after(
    basic_waitable_timer< Clock, WaitTraits, Executor > & timer,
    const chrono::duration< Rep, Period > & timeout,
    cancellation_type_t cancel_type,
    CompletionToken && completion_token);
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Adapt a completion token to cancel an operation if not complete before the specified asynchronous operation completes.

template<
    typename Trigger,
    typename CompletionToken>
constraint_t< is_async_operation< Trigger >::value, cancel_after_trigger< decay_t< CompletionToken >, decay_t< Trigger > > > cancel_after(
    Trigger && trigger,
    CompletionToken && completion_token);
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template<
    typename Trigger,
    typename CompletionToken>
constraint_t< is_async_operation< Trigger >::value, cancel_after_trigger< decay_t< CompletionToken >, decay_t< Trigger > > > cancel_after(
    Trigger && trigger,
    cancellation_type_t cancel_type,
    CompletionToken && completion_token);
  » more...

Requirements

Header: boost/asio/cancel_after.hpp

Convenience header: boost/asio.hpp