| 1 | /*
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| 2 | * multithread_producer.cpp
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| 3 | *
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| 4 | * Created on: 10 окт. 2013 г.
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| 5 | * Author: aleksander
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| 6 | */
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| 7 |
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| 8 | #include <boost/bind.hpp>
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| 9 | #include <boost/thread.hpp>
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| 10 | #include <boost/interprocess/ipc/message_queue.hpp>
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| 11 | #include <vector>
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| 12 | boost::mutex mutex;
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| 13 |
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| 14 | void send(boost::interprocess::message_queue* q) {
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| 15 | // boost::mutex::scoped_lock lock(mutex);
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| 16 | char buff;
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| 17 | for (int i = 0; i < 10000; i++) {
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| 18 | q->send(&buff, 1, 0);
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| 19 | }
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| 20 | std::cout<<"writer thread complete"<<std::endl;
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| 21 | }
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| 22 |
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| 23 | void receive(boost::interprocess::message_queue* q) {
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| 24 | char buff;
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| 25 | size_t size;
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| 26 | unsigned int priority;
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| 27 | do {
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| 28 | q->receive(&buff, 1, size, priority);
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| 29 | } while (size > 0);
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| 30 | std::cout<<"reader thread complete"<<std::endl;
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| 31 | }
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| 32 |
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| 33 | const int THREAD_COUNT = 2;
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| 34 | int main(int argc, char **argv) {
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| 35 |
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| 36 | try {
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| 37 | char queue_name[] = "queue_test";
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| 38 | boost::interprocess::message_queue::remove(queue_name);
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| 39 | boost::interprocess::message_queue mq(boost::interprocess::open_or_create, queue_name, 100, 1);
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| 40 |
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| 41 | std::vector<boost::thread*> threads;
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| 42 |
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| 43 | for (int i = 0; i < THREAD_COUNT; i++) {
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| 44 | threads.push_back(new boost::thread(boost::bind(send, &mq)));
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| 45 | }
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| 46 | threads.push_back(new boost::thread(boost::bind(receive, &mq)));
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| 47 |
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| 48 | for (int i = 0; i < THREAD_COUNT; i++) {
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| 49 | threads[i]->join();
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| 50 | }
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| 51 |
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| 52 | char buff;
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| 53 |
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| 54 | mq.send(&buff, 0, 0);
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| 55 |
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| 56 | threads[THREAD_COUNT]->join();
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| 57 | std::cout << "complete" << std::endl;
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| 58 | } catch (std::exception &e) {
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| 59 | std::cout << "error " << e.what() << std::endl;
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| 60 | }
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| 61 | return 0;
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| 62 | }
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