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54 lines
1.0 KiB
54 lines
1.0 KiB
#include <boost/interprocess/ipc/message_queue.hpp>
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#include <iostream>
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#include <vector>
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#include <thread>
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using namespace boost::interprocess;
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#define N 1024
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message_queue *sub_queue(const char *name){
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while (true){
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try {
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message_queue *mq = new message_queue(open_only, name);
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return mq;
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}
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catch(interprocess_exception &ex){
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std::this_thread::sleep_for(std::chrono::milliseconds(10));
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}
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}
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}
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message_queue *pub_queue(const char *name){
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message_queue::remove(name);
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message_queue *mq = new message_queue(create_only, name, 100, N);
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return mq;
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}
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int main ()
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{
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message_queue::remove("queue_1");
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message_queue::remove("queue_2");
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message_queue *pq = pub_queue("queue_2");
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message_queue *sq = sub_queue("queue_1");
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std::cout << "Ready" << std::endl;
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unsigned int priority;
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std::size_t recvd_size;
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char * rcv_msg = new char[N];
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while (true){
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sq->receive(rcv_msg, N, recvd_size, priority);
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assert(N == recvd_size);
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pq->send(rcv_msg, N, 0);
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}
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return 0;
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}
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