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Update examples to use chrono rather than Boost.Date_Time.

N.B. The Windows-specific tick_count_timer example has been removed as
it has been superseded by timers based on the standard steady_clock.
It's also not clear how to map a wrapping time source to the standard
chrono concepts.
This commit is contained in:
Christopher Kohlhoff
2018-04-01 09:58:45 +10:00
parent 5672713c90
commit 69d54db71f
15 changed files with 111 additions and 244 deletions

View File

@@ -11,17 +11,16 @@
#include <iostream>
#include <boost/asio.hpp>
#include <boost/bind.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
void print(const boost::system::error_code& /*e*/,
boost::asio::deadline_timer* t, int* count)
boost::asio::steady_timer* t, int* count)
{
if (*count < 5)
{
std::cout << *count << std::endl;
++(*count);
t->expires_at(t->expires_at() + boost::posix_time::seconds(1));
t->expires_at(t->expiry() + boost::asio::chrono::seconds(1));
t->async_wait(boost::bind(print,
boost::asio::placeholders::error, t, count));
}
@@ -32,7 +31,7 @@ int main()
boost::asio::io_context io;
int count = 0;
boost::asio::deadline_timer t(io, boost::posix_time::seconds(1));
boost::asio::steady_timer t(io, boost::asio::chrono::seconds(1));
t.async_wait(boost::bind(print,
boost::asio::placeholders::error, &t, &count));