97 lines
3.6 KiB
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97 lines
3.6 KiB
HTML
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<title>Source listing for Timer.4</title>
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<link rel="up" href="../tuttimer4.html" title="Timer.4 - Using a member function as a handler">
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<table cellpadding="2" width="100%"><tr><td valign="top"><img alt="asio C++ library" width="250" height="60" src="../../../asio.png"></td></tr></table>
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<div class="titlepage"><div><div><h4 class="title">
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<a name="asio.tutorial.tuttimer4.src"></a><a class="link" href="src.html" title="Source listing for Timer.4">Source listing for Timer.4</a>
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</h4></div></div></div>
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<pre class="programlisting">//
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// timer.cpp
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// ~~~~~~~~~
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//
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// Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include <iostream>
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#include <asio.hpp>
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#include <boost/bind/bind.hpp>
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class printer
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{
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public:
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printer(asio::io_context& io)
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: timer_(io, asio::chrono::seconds(1)),
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count_(0)
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{
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timer_.async_wait(boost::bind(&printer::print, this));
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}
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~printer()
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{
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std::cout << "Final count is " << count_ << std::endl;
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}
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void print()
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{
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if (count_ < 5)
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{
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std::cout << count_ << std::endl;
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++count_;
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timer_.expires_at(timer_.expiry() + asio::chrono::seconds(1));
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timer_.async_wait(boost::bind(&printer::print, this));
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}
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}
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private:
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asio::steady_timer timer_;
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int count_;
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};
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int main()
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{
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asio::io_context io;
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printer p(io);
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io.run();
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return 0;
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}
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</pre>
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<p>
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Return to <a class="link" href="../tuttimer4.html" title="Timer.4 - Using a member function as a handler">Timer.4 - Using a member
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function as a handler</a>
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</p>
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</div>
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="left"></td>
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<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M.
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Kohlhoff<p>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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