| 1 | #include <queue>
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| 2 |
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| 3 | #include <boost/atomic.hpp>
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| 4 | #include <boost/bind.hpp>
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| 5 | #include <boost/coroutine/all.hpp>
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| 6 | #include <boost/lockfree/queue.hpp>
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| 7 | #include <boost/thread.hpp>
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| 8 |
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| 9 | typedef boost::coroutines::coroutine< void > coro_t;
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| 10 |
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| 11 | static void foo( coro_t::push_type& yield, int i )
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| 12 | {}
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| 13 |
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| 14 | struct Worker
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| 15 | {
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| 16 | boost::atomic< bool > done;
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| 17 |
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| 18 | Worker() :
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| 19 | done( false)
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| 20 | {}
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| 21 |
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| 22 | void operator()()
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| 23 | {
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| 24 | while ( ! done)
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| 25 | {
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| 26 | pending.consume_all( [&]( int i)
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| 27 | {
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| 28 | coro_t::pull_type( boost::bind( foo, _1, i) );
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| 29 | } );
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| 30 | }
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| 31 | }
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| 32 |
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| 33 | boost::lockfree::queue< int, boost::lockfree::capacity< 1024 > > pending;
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| 34 | };
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| 35 |
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| 36 | int main( int argc, char * argv[])
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| 37 | {
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| 38 | for ( int i = 1; i < 1000; ++i)
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| 39 | {
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| 40 | Worker workers[2];
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| 41 | boost::thread threads[2] = {
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| 42 | boost::thread( boost::ref( workers[0]) ),
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| 43 | boost::thread( boost::ref( workers[1]) )
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| 44 | };
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| 45 | workers[0].pending.push(0);
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| 46 | workers[1].pending.push(1);
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| 47 |
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| 48 | workers[0].done = true;
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| 49 | workers[1].done = true;
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| 50 |
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| 51 | threads[0].join();
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| 52 | threads[1].join();
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| 53 | }
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| 54 | return EXIT_SUCCESS;
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| 55 | }
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