1 | #include <boost/thread/thread.hpp>
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2 | #include <boost/thread/shared_mutex.hpp>
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3 |
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4 | #include <iostream>
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5 |
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6 | boost::shared_mutex mutex;
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7 |
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8 | void thread()
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9 | {
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10 | try
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11 | {
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12 | for (;;)
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13 | {
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14 | boost::system_time timeout = boost::get_system_time() + boost::posix_time::milliseconds(50);
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15 |
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16 | if (mutex.timed_lock(timeout))
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17 | {
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18 | boost::this_thread::sleep(boost::posix_time::milliseconds(10));
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19 | mutex.unlock();
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20 | }
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21 | }
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22 | }
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23 | catch (boost::lock_error& le)
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24 | {
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25 | std::cerr << "lock_error exception\n";
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26 | }
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27 | }
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28 |
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29 | int main()
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30 | {
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31 | const int nrThreads = 20;
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32 | boost::thread* threads[nrThreads];
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33 |
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34 | for (int i = 0; i < nrThreads; ++i)
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35 | threads[i] = new boost::thread(&thread);
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36 |
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37 | for (int i = 0; i < nrThreads; ++i)
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38 | {
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39 | threads[i]->join();
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40 | delete threads[i];
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41 | }
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42 | return 0;
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43 | }
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