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author | Anas Nashif <anas.nashif@intel.com> | 2012-10-30 12:57:26 -0700 |
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committer | Anas Nashif <anas.nashif@intel.com> | 2012-10-30 12:57:26 -0700 |
commit | 1a78a62555be32868418fe52f8e330c9d0f95d5a (patch) | |
tree | d3765a80e7d3b9640ec2e930743630cd6b9fce2b /doc/html/boost_asio/example/timers/time_t_timer.cpp | |
download | boost-1a78a62555be32868418fe52f8e330c9d0f95d5a.tar.gz boost-1a78a62555be32868418fe52f8e330c9d0f95d5a.tar.bz2 boost-1a78a62555be32868418fe52f8e330c9d0f95d5a.zip |
Imported Upstream version 1.49.0upstream/1.49.0
Diffstat (limited to 'doc/html/boost_asio/example/timers/time_t_timer.cpp')
-rwxr-xr-x | doc/html/boost_asio/example/timers/time_t_timer.cpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/doc/html/boost_asio/example/timers/time_t_timer.cpp b/doc/html/boost_asio/example/timers/time_t_timer.cpp new file mode 100755 index 0000000000..4348019612 --- /dev/null +++ b/doc/html/boost_asio/example/timers/time_t_timer.cpp @@ -0,0 +1,93 @@ +// +// time_t_timer.cpp +// ~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2012 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 <boost/asio.hpp> +#include <ctime> +#include <iostream> + +struct time_t_traits +{ + // The time type. + typedef std::time_t time_type; + + // The duration type. + struct duration_type + { + duration_type() : value(0) {} + duration_type(std::time_t v) : value(v) {} + std::time_t value; + }; + + // Get the current time. + static time_type now() + { + return std::time(0); + } + + // Add a duration to a time. + static time_type add(const time_type& t, const duration_type& d) + { + return t + d.value; + } + + // Subtract one time from another. + static duration_type subtract(const time_type& t1, const time_type& t2) + { + return duration_type(t1 - t2); + } + + // Test whether one time is less than another. + static bool less_than(const time_type& t1, const time_type& t2) + { + return t1 < t2; + } + + // Convert to POSIX duration type. + static boost::posix_time::time_duration to_posix_duration( + const duration_type& d) + { + return boost::posix_time::seconds(d.value); + } +}; + +typedef boost::asio::basic_deadline_timer< + std::time_t, time_t_traits> time_t_timer; + +void handle_timeout(const boost::system::error_code&) +{ + std::cout << "handle_timeout\n"; +} + +int main() +{ + try + { + boost::asio::io_service io_service; + + time_t_timer timer(io_service); + + timer.expires_from_now(5); + std::cout << "Starting synchronous wait\n"; + timer.wait(); + std::cout << "Finished synchronous wait\n"; + + timer.expires_from_now(5); + std::cout << "Starting asynchronous wait\n"; + timer.async_wait(&handle_timeout); + io_service.run(); + std::cout << "Finished asynchronous wait\n"; + } + catch (std::exception& e) + { + std::cout << "Exception: " << e.what() << "\n"; + } + + return 0; +} |