73 lines
1.6 KiB
C++
73 lines
1.6 KiB
C++
/* Copyright (C) 2011 John Maddock
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*
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* Use, modification and distribution is subject to the
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* Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
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*/
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#include <boost/pool/pool_alloc.hpp>
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#include <boost/thread.hpp>
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#if defined(BOOST_MSVC) && (BOOST_MSVC == 1400)
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#pragma warning(push)
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#pragma warning(disable:4244)
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#endif
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#include <boost/random/mersenne_twister.hpp>
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#include <boost/random/uniform_int_distribution.hpp>
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#if defined(BOOST_MSVC) && (BOOST_MSVC == 1400)
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#pragma warning(pop)
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#endif
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void run_tests()
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{
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boost::random::mt19937 gen;
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boost::random::uniform_int_distribution<> dist(-10, 10);
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std::list<int, boost::fast_pool_allocator<int> > l;
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for(int i = 0; i < 100; ++i)
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l.push_back(i);
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for(int i = 0; i < 100000; ++i)
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{
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int val = dist(gen);
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if(val < 0)
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{
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while(val && l.size())
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{
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l.pop_back();
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++i;
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}
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}
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else
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{
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while(val)
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{
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l.push_back(val);
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--val;
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}
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}
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}
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}
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int main()
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{
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std::list<boost::shared_ptr<boost::thread> > threads;
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for(int i = 0; i < 10; ++i)
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{
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try{
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threads.push_back(boost::shared_ptr<boost::thread>(new boost::thread(&run_tests)));
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}
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catch(const std::exception& e)
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{
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std::cerr << "<note>Thread creation failed with message: " << e.what() << "</note>" << std::endl;
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}
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}
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std::list<boost::shared_ptr<boost::thread> >::const_iterator a(threads.begin()), b(threads.end());
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while(a != b)
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{
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(*a)->join();
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++a;
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}
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return 0;
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}
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