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Library/boost/libs/thread/test/test_scheduling_adaptor.cpp
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19 дек 2024, 19:11
19 дек 2024, 19:11
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// Copyright (C) 2014 Ian Forbed // Copyright (C) 2014 Vicente J. Botet Escriba // // 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/config.hpp> #if ! defined BOOST_NO_CXX11_DECLTYPE #define BOOST_RESULT_OF_USE_DECLTYPE #endif #define BOOST_THREAD_VERSION 4 #define BOOST_THREAD_PROVIDES_EXECUTORS #include <boost/function.hpp> #include <boost/thread/executors/executor.hpp> #include <boost/thread/executors/basic_thread_pool.hpp> #include <boost/thread/executors/scheduling_adaptor.hpp> #include <boost/chrono/chrono_io.hpp> #include <boost/core/lightweight_test.hpp> using namespace boost::chrono; typedef boost::executors::basic_thread_pool thread_pool; void fn(int x) { //std::cout << "[" << __LINE__ << "] " << steady_clock::now() << std::endl; std::cout << x << std::endl; } void test_timing(const int n) { thread_pool tp(4); boost::scheduling_adaptor<thread_pool> sa(tp); for(int i = 1; i <= n; i++) { sa.submit_after(boost::bind(fn,i),seconds(i)); sa.submit_after(boost::bind(fn,i), milliseconds(i*100)); } boost::this_thread::sleep_for(boost::chrono::seconds(10)); } int main() { steady_clock::time_point start = steady_clock::now(); test_timing(5); steady_clock::duration diff = steady_clock::now() - start; BOOST_TEST(diff > seconds(5)); return boost::report_errors(); }