1 | #include <iostream>
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2 | #include <boost/thread.hpp>
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3 | #include <boost/timer/timer.hpp>
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4 |
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5 | void Timeout()
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6 | {
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7 | boost::timer::cpu_timer stopwatch;
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8 | try
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9 | {
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10 | boost::this_thread::sleep_for(boost::chrono::minutes(10));
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11 |
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12 | std::cout << "Timeout!" << std::endl;
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13 | std::cout << "Elapsed time: " << boost::timer::format(stopwatch.elapsed()).c_str() << "." << std::endl;
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14 | exit(31);
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15 | }
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16 | catch (const boost::thread_interrupted&)
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17 | {
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18 | //ok, interrupt was successful, we just let the thread go away.
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19 | }
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20 | }
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21 |
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22 |
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23 | void run_test()
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24 | {
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25 |
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26 | std::cout << "first test" << std::endl;
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27 | for(int i = 0; i < 10000; ++i)
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28 | {
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29 | std::vector<boost::shared_ptr<boost::thread> > threads;
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30 |
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31 | for(int j = 0; j < 50; ++j)
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32 | {
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33 | threads.push_back(boost::shared_ptr<boost::thread>(new boost::thread(Timeout)));
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34 |
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35 | //interrupt some of the threads immediately
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36 | if (j%4 == 0)
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37 | {
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38 | threads.back()->interrupt();
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39 | }
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40 | }
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41 |
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42 | for (std::vector<boost::shared_ptr<boost::thread> >::iterator it = threads.begin(); it != threads.end(); ++it)
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43 | {
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44 | (*it)->interrupt();
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45 | }
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46 |
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47 | while (!threads.empty())
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48 | {
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49 | threads.back()->join();
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50 | threads.pop_back();
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51 | }
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52 | }
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53 |
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54 | std::cout << "second test" << std::endl;
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55 | double sleepTime = 0;
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56 | double maxSleepTime = 0;
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57 | for(int i = 0; i < 10000; ++i)
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58 | {
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59 | boost::timer::cpu_timer stopwatch;
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60 |
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61 | boost::thread thread(Timeout);
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62 | thread.interrupt();
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63 | thread.join();
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64 | const double elapsed = stopwatch.elapsed().wall / 1000000000.0;
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65 | sleepTime += elapsed;
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66 | maxSleepTime = std::max(maxSleepTime, elapsed);
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67 |
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68 | if (elapsed > 30) //more than 30 seconds
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69 | {
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70 | std::cout << "Interrupt was too slow! elapsed: " << boost::timer::format(stopwatch.elapsed()).c_str() << "." << std::endl;
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71 | exit(14);
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72 | }
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73 | }
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74 |
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75 | std::cout << "Average interrupt time is " << sleepTime/10000*1000 << " milliseconds" << std::endl;
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76 | std::cout << "Maximum interrupt time is " << maxSleepTime*1000 << " milliseconds" << std::endl;
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77 | }
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78 |
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79 | int main()
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80 | {
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81 | try
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82 | {
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83 | run_test();
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84 | }
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85 | catch(const std::exception& e)
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86 | {
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87 | std::cout << "Caught exception: " << e.what() << std::endl;
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88 | return 1;
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89 | }
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90 | catch (...)
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91 | {
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92 | std::cout << "Caught ... exception" << std::endl;
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93 | return 1;
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94 | }
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95 | return 0;
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96 | }
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