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Diffstat (limited to '3rdParty/Boost/boost/asio/basic_deadline_timer.hpp')
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diff --git a/3rdParty/Boost/boost/asio/basic_deadline_timer.hpp b/3rdParty/Boost/boost/asio/basic_deadline_timer.hpp
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-//
-// basic_deadline_timer.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef BOOST_ASIO_BASIC_DEADLINE_TIMER_HPP
-#define BOOST_ASIO_BASIC_DEADLINE_TIMER_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include <boost/asio/detail/push_options.hpp>
-
-#include <boost/asio/detail/push_options.hpp>
-#include <cstddef>
-#include <boost/config.hpp>
-#include <boost/asio/detail/pop_options.hpp>
-
-#include <boost/asio/basic_io_object.hpp>
-#include <boost/asio/deadline_timer_service.hpp>
-#include <boost/asio/error.hpp>
-#include <boost/asio/detail/throw_error.hpp>
-
-namespace boost {
-namespace asio {
-
-/// Provides waitable timer functionality.
-/**
- * The basic_deadline_timer class template provides the ability to perform a
- * blocking or asynchronous wait for a timer to expire.
- *
- * Most applications will use the boost::asio::deadline_timer typedef.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- *
- * @par Examples
- * Performing a blocking wait:
- * @code
- * // Construct a timer without setting an expiry time.
- * boost::asio::deadline_timer timer(io_service);
- *
- * // Set an expiry time relative to now.
- * timer.expires_from_now(boost::posix_time::seconds(5));
- *
- * // Wait for the timer to expire.
- * timer.wait();
- * @endcode
- *
- * @par
- * Performing an asynchronous wait:
- * @code
- * void handler(const boost::system::error_code& error)
- * {
- * if (!error)
- * {
- * // Timer expired.
- * }
- * }
- *
- * ...
- *
- * // Construct a timer with an absolute expiry time.
- * boost::asio::deadline_timer timer(io_service,
- * boost::posix_time::time_from_string("2005-12-07 23:59:59.000"));
- *
- * // Start an asynchronous wait.
- * timer.async_wait(handler);
- * @endcode
- *
- * @par Changing an active deadline_timer's expiry time
- *
- * Changing the expiry time of a timer while there are pending asynchronous
- * waits causes those wait operations to be cancelled. To ensure that the action
- * associated with the timer is performed only once, use something like this:
- * used:
- *
- * @code
- * void on_some_event()
- * {
- * if (my_timer.expires_from_now(seconds(5)) > 0)
- * {
- * // We managed to cancel the timer. Start new asynchronous wait.
- * my_timer.async_wait(on_timeout);
- * }
- * else
- * {
- * // Too late, timer has already expired!
- * }
- * }
- *
- * void on_timeout(const boost::system::error_code& e)
- * {
- * if (e != boost::asio::error::operation_aborted)
- * {
- * // Timer was not cancelled, take necessary action.
- * }
- * }
- * @endcode
- *
- * @li The boost::asio::basic_deadline_timer::expires_from_now() function
- * cancels any pending asynchronous waits, and returns the number of
- * asynchronous waits that were cancelled. If it returns 0 then you were too
- * late and the wait handler has already been executed, or will soon be
- * executed. If it returns 1 then the wait handler was successfully cancelled.
- *
- * @li If a wait handler is cancelled, the boost::system::error_code passed to
- * it contains the value boost::asio::error::operation_aborted.
- */
-template <typename Time,
- typename TimeTraits = boost::asio::time_traits<Time>,
- typename TimerService = deadline_timer_service<Time, TimeTraits> >
-class basic_deadline_timer
- : public basic_io_object<TimerService>
-{
-public:
- /// The time traits type.
- typedef TimeTraits traits_type;
-
- /// The time type.
- typedef typename traits_type::time_type time_type;
-
- /// The duration type.
- typedef typename traits_type::duration_type duration_type;
-
- /// Constructor.
- /**
- * This constructor creates a timer without setting an expiry time. The
- * expires_at() or expires_from_now() functions must be called to set an
- * expiry time before the timer can be waited on.
- *
- * @param io_service The io_service object that the timer will use to dispatch
- * handlers for any asynchronous operations performed on the timer.
- */
- explicit basic_deadline_timer(boost::asio::io_service& io_service)
- : basic_io_object<TimerService>(io_service)
- {
- }
-
- /// Constructor to set a particular expiry time as an absolute time.
- /**
- * This constructor creates a timer and sets the expiry time.
- *
- * @param io_service The io_service object that the timer will use to dispatch
- * handlers for any asynchronous operations performed on the timer.
- *
- * @param expiry_time The expiry time to be used for the timer, expressed
- * as an absolute time.
- */
- basic_deadline_timer(boost::asio::io_service& io_service,
- const time_type& expiry_time)
- : basic_io_object<TimerService>(io_service)
- {
- boost::system::error_code ec;
- this->service.expires_at(this->implementation, expiry_time, ec);
- boost::asio::detail::throw_error(ec);
- }
-
- /// Constructor to set a particular expiry time relative to now.
- /**
- * This constructor creates a timer and sets the expiry time.
- *
- * @param io_service The io_service object that the timer will use to dispatch
- * handlers for any asynchronous operations performed on the timer.
- *
- * @param expiry_time The expiry time to be used for the timer, relative to
- * now.
- */
- basic_deadline_timer(boost::asio::io_service& io_service,
- const duration_type& expiry_time)
- : basic_io_object<TimerService>(io_service)
- {
- boost::system::error_code ec;
- this->service.expires_from_now(this->implementation, expiry_time, ec);
- boost::asio::detail::throw_error(ec);
- }
-
- /// Cancel any asynchronous operations that are waiting on the timer.
- /**
- * 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 boost::asio::error::operation_aborted error code.
- *
- * Cancelling the timer does not change the expiry time.
- *
- * @return The number of asynchronous operations that were cancelled.
- *
- * @throws boost::system::system_error Thrown on failure.
- */
- std::size_t cancel()
- {
- boost::system::error_code ec;
- std::size_t s = this->service.cancel(this->implementation, ec);
- boost::asio::detail::throw_error(ec);
- return s;
- }
-
- /// Cancel any asynchronous operations that are waiting on the timer.
- /**
- * 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 boost::asio::error::operation_aborted error code.
- *
- * Cancelling the timer does not change the expiry time.
- *
- * @param ec Set to indicate what error occurred, if any.
- *
- * @return The number of asynchronous operations that were cancelled.
- */
- std::size_t cancel(boost::system::error_code& ec)
- {
- return this->service.cancel(this->implementation, ec);
- }
-
- /// Get the timer's expiry time as an absolute time.
- /**
- * This function may be used to obtain the timer's current expiry time.
- * Whether the timer has expired or not does not affect this value.
- */
- time_type expires_at() const
- {
- return this->service.expires_at(this->implementation);
- }
-
- /// Set the timer's expiry time as an absolute time.
- /**
- * This function sets the expiry time. Any pending asynchronous wait
- * operations will be cancelled. The handler for each cancelled operation will
- * be invoked with the boost::asio::error::operation_aborted error code.
- *
- * @param expiry_time The expiry time to be used for the timer.
- *
- * @return The number of asynchronous operations that were cancelled.
- *
- * @throws boost::system::system_error Thrown on failure.
- */
- std::size_t expires_at(const time_type& expiry_time)
- {
- boost::system::error_code ec;
- std::size_t s = this->service.expires_at(
- this->implementation, expiry_time, ec);
- boost::asio::detail::throw_error(ec);
- return s;
- }
-
- /// Set the timer's expiry time as an absolute time.
- /**
- * This function sets the expiry time. Any pending asynchronous wait
- * operations will be cancelled. The handler for each cancelled operation will
- * be invoked with the boost::asio::error::operation_aborted error code.
- *
- * @param expiry_time The expiry time to be used for the timer.
- *
- * @param ec Set to indicate what error occurred, if any.
- *
- * @return The number of asynchronous operations that were cancelled.
- */
- std::size_t expires_at(const time_type& expiry_time,
- boost::system::error_code& ec)
- {
- return this->service.expires_at(this->implementation, expiry_time, ec);
- }
-
- /// Get the timer's expiry time relative to now.
- /**
- * This function may be used to obtain the timer's current expiry time.
- * Whether the timer has expired or not does not affect this value.
- */
- duration_type expires_from_now() const
- {
- return this->service.expires_from_now(this->implementation);
- }
-
- /// Set the timer's expiry time relative to now.
- /**
- * This function sets the expiry time. Any pending asynchronous wait
- * operations will be cancelled. The handler for each cancelled operation will
- * be invoked with the boost::asio::error::operation_aborted error code.
- *
- * @param expiry_time The expiry time to be used for the timer.
- *
- * @return The number of asynchronous operations that were cancelled.
- *
- * @throws boost::system::system_error Thrown on failure.
- */
- std::size_t expires_from_now(const duration_type& expiry_time)
- {
- boost::system::error_code ec;
- std::size_t s = this->service.expires_from_now(
- this->implementation, expiry_time, ec);
- boost::asio::detail::throw_error(ec);
- return s;
- }
-
- /// Set the timer's expiry time relative to now.
- /**
- * This function sets the expiry time. Any pending asynchronous wait
- * operations will be cancelled. The handler for each cancelled operation will
- * be invoked with the boost::asio::error::operation_aborted error code.
- *
- * @param expiry_time The expiry time to be used for the timer.
- *
- * @param ec Set to indicate what error occurred, if any.
- *
- * @return The number of asynchronous operations that were cancelled.
- */
- std::size_t expires_from_now(const duration_type& expiry_time,
- boost::system::error_code& ec)
- {
- return this->service.expires_from_now(
- this->implementation, expiry_time, ec);
- }
-
- /// Perform a blocking wait on the timer.
- /**
- * This function is used to wait for the timer to expire. This function
- * blocks and does not return until the timer has expired.
- *
- * @throws boost::system::system_error Thrown on failure.
- */
- void wait()
- {
- boost::system::error_code ec;
- this->service.wait(this->implementation, ec);
- boost::asio::detail::throw_error(ec);
- }
-
- /// Perform a blocking wait on the timer.
- /**
- * This function is used to wait for the timer to expire. This function
- * blocks and does not return until the timer has expired.
- *
- * @param ec Set to indicate what error occurred, if any.
- */
- void wait(boost::system::error_code& ec)
- {
- this->service.wait(this->implementation, ec);
- }
-
- /// Start an asynchronous wait on the timer.
- /**
- * This function may be used to initiate an asynchronous wait against the
- * timer. It always returns immediately.
- *
- * For each call to async_wait(), the supplied handler will be called exactly
- * once. The handler will be called when:
- *
- * @li The timer has expired.
- *
- * @li The timer was cancelled, in which case the handler is passed the error
- * code boost::asio::error::operation_aborted.
- *
- * @param handler The handler to be called when the timer expires. Copies
- * will be made of the handler as required. The function signature of the
- * handler must be:
- * @code void handler(
- * const boost::system::error_code& error // Result of operation.
- * ); @endcode
- * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * boost::asio::io_service::post().
- */
- template <typename WaitHandler>
- void async_wait(WaitHandler handler)
- {
- this->service.async_wait(this->implementation, handler);
- }
-};
-
-} // namespace asio
-} // namespace boost
-
-#include <boost/asio/detail/pop_options.hpp>
-
-#endif // BOOST_ASIO_BASIC_DEADLINE_TIMER_HPP