diff options
Diffstat (limited to '3rdparty/asio/src/examples/cpp03/tutorial/timer4/timer.cpp')
-rw-r--r-- | 3rdparty/asio/src/examples/cpp03/tutorial/timer4/timer.cpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/3rdparty/asio/src/examples/cpp03/tutorial/timer4/timer.cpp b/3rdparty/asio/src/examples/cpp03/tutorial/timer4/timer.cpp new file mode 100644 index 00000000000..cbea70d26fa --- /dev/null +++ b/3rdparty/asio/src/examples/cpp03/tutorial/timer4/timer.cpp @@ -0,0 +1,55 @@ +// +// timer.cpp +// ~~~~~~~~~ +// +// Copyright (c) 2003-2016 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) +// + +#include <iostream> +#include <asio.hpp> +#include <boost/bind.hpp> +#include <boost/date_time/posix_time/posix_time.hpp> + +class printer +{ +public: + printer(asio::io_context& io) + : timer_(io, boost::posix_time::seconds(1)), + count_(0) + { + timer_.async_wait(boost::bind(&printer::print, this)); + } + + ~printer() + { + std::cout << "Final count is " << count_ << std::endl; + } + + void print() + { + if (count_ < 5) + { + std::cout << count_ << std::endl; + ++count_; + + timer_.expires_at(timer_.expires_at() + boost::posix_time::seconds(1)); + timer_.async_wait(boost::bind(&printer::print, this)); + } + } + +private: + asio::deadline_timer timer_; + int count_; +}; + +int main() +{ + asio::io_context io; + printer p(io); + io.run(); + + return 0; +} |