ceph/src/boost/libs/thread/test/test_scheduler.cpp

   1 // Copyright (C) 2014 Ian Forbed
   2 // Copyright (C) 2014 Vicente J. Botet Escriba
   3 //
   4 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7
   8 #include <boost/config.hpp>
   9 #if ! defined  BOOST_NO_CXX11_DECLTYPE
  10 #define BOOST_RESULT_OF_USE_DECLTYPE
  11 #endif
  12
  13 #define BOOST_THREAD_VERSION 4
  14 #define BOOST_THREAD_PROVIDES_EXECUTORS
  15
  16 #include <boost/thread/executors/scheduler.hpp>
  17 #include <boost/thread/executors/basic_thread_pool.hpp>
  18 #include <boost/chrono/chrono_io.hpp>
  19 #include <iostream>
  20
  21 #include <boost/core/lightweight_test.hpp>
  22
  23 using namespace boost::chrono;
  24
  25
  26 typedef boost::executors::basic_thread_pool thread_pool;
  27
  28 void fn(int x)
  29 {
  30   //std::cout << "[" << __LINE__ << "] " << steady_clock::now() << std::endl;
  31     std::cout << x << std::endl;
  32 }
  33
  34 void test_scheduler(const int n, boost::scheduler<>& sch)
  35 {
  36     for(int i = 1; i <= n; i++)
  37     {
  38       sch.submit_after(boost::bind(fn,i), seconds(i));
  39       sch.submit_after(boost::bind(fn,i), milliseconds(i*100));
  40     }
  41 }
  42
  43 void test_after(const int n, boost::scheduler<>& sch)
  44 {
  45     for(int i = 1; i <= n; i++)
  46     {
  47       sch.after(seconds(i)).submit(boost::bind(fn,i));
  48       sch.after(milliseconds(i*100)).submit(boost::bind(fn,i));
  49     }
  50 }
  51
  52 void test_at(const int n, boost::scheduler<>& sch)
  53 {
  54     for(int i = 1; i <= n; i++)
  55     {
  56       sch.at(steady_clock::now()+seconds(i)).submit(boost::bind(fn,i));
  57       sch.at(steady_clock::now()+milliseconds(i*100)).submit(boost::bind(fn,i));
  58     }
  59 }
  60
  61 void test_on(const int n, boost::scheduler<>& sch, thread_pool& tp)
  62 {
  63     for(int i = 1; i <= n; i++)
  64     {
  65       sch.on(tp).after(seconds(i)).submit(boost::bind(fn,i));
  66       sch.on(tp).after(milliseconds(i*100)).submit(boost::bind(fn,i));
  67     }
  68 }
  69
  70 int main()
  71 {
  72   thread_pool tp(4);
  73   boost::scheduler<> sch;
  74   test_scheduler(5, sch);
  75   test_after(5, sch);
  76   test_at(5, sch);
  77   test_on(5, sch, tp);
  78   boost::this_thread::sleep_for(boost::chrono::seconds(10));
  79
  80   return boost::report_errors();
  81 }