void multithread_push_pop(int64_t counts)
{
std::atomic_bool start(false);
std::atomic_bool quit(false);
int64_t push_sum = 0;
int64_t pop_sum1 = 0, pop_sum2 = 0;
WSQ_t q;
std:: thread thrd1([&start, counts, &push_sum, &pop_sum1, &q, &quit](){
while(!start) std::this_thread::yield();
std::chrono::time_point<std::chrono::system_clock> start, end;
start = std::chrono::system_clock::now();
for(int64_t i =0; i < counts; ++i){
if(q.push_back(i))
push_sum += i;
if(i % 3 == 0)
{
int64_t t;
if(q.pop(t)) pop_sum1 += t;
}
}
while(q.size() != 0){
int64_t t;
if(q.pop(t)) pop_sum1 +=t;
}
quit = true;
end = std::chrono::system_clock::now();
auto elapsed_seconds = std::chrono::duration_cast<std::chrono::microseconds>(end-start).count();
g_print_mutex.lock();
std::cout<<"push/pop thread : "<<elapsed_seconds<<std::endl;
g_print_mutex.unlock();
});
std::thread thrd2([&start, &pop_sum2, &q, & quit](){
while(!start) std::this_thread::yield();
std::chrono::time_point<std::chrono::system_clock> start, end;
start = std::chrono::system_clock::now();
while(!quit)
{
int64_t t;
if(q.steal(t)){
pop_sum2 += t;
}
}
end = std::chrono::system_clock::now();
auto elapsed_seconds = std::chrono::duration_cast<std::chrono::microseconds>(end-start).count();
g_print_mutex.lock();
std::cout<<"steal thread : "<<elapsed_seconds<<std::endl;
g_print_mutex.unlock();
});
start = true;
thrd1.join();
thrd2.join();
if(push_sum != pop_sum1 + pop_sum2)
{
std::cout<<"bugs here! push sum is: "<<push_sum<<", pop_sum is "<<pop_sum1 + pop_sum2<<std::endl;
}
}
int main()
{
boost::thread thrd1(&sender);
boost::thread thrd2(&receiver);
thrd1.join();
thrd2.join();
}
int main(int argc, char* argv[]) {
boost::thread thrd1(count(1));
boost::thread thrd2(count(2));
thrd1.join();
thrd2.join();
return 0;
}
int main(int argc, char* argv[])
{
std::thread thrd1(std::bind(&count, 1));
std::thread thrd2(std::bind(&count, 2));
thrd1.join();
thrd2.join();
return 0;
}
int main(int argc, char* argv[])
{
boost::thread thrd1(&reader);
boost::thread thrd2(&writer);
thrd1.join();
thrd2.join();
return 0;
}
int main(int, char*[])
{
boost::thread thrd1(&sender);
boost::thread thrd2(&receiver);
thrd1.join();
thrd2.join();
return 0;
}
void do_test(M* dummy=0)
{
typedef buffer_t<M> buffer_type;
buffer_type::get_buffer();
boost::thread thrd1(&buffer_type::do_receiver_thread);
boost::thread thrd2(&buffer_type::do_receiver_thread);
boost::thread thrd3(&buffer_type::do_sender_thread);
thrd1.join();
thrd2.join();
thrd3.join();
}
int main() {
printf("\n============== sizeof(boost::thread) ============== %d\n", sizeof(boost::thread));
printf("\n============== sizeof(boost::detail::thread_data_base) ============== %d\n", sizeof(boost::detail::thread_data_base));
printf("\n============== sizeof(boost::detail::thread_data<>) ============== %d\n", sizeof(boost::detail::thread_data<void(*)()>));
printf("\n============== Before thread creation ==============\n");
display_mallinfo();
{
boost::thread thrd1(&count);
printf("\n============== After thread creation ==============\n");
display_mallinfo();
boost::thread thrd2(&count);
printf("\n============== After thread creation ==============\n");
display_mallinfo();
boost::thread thrd3(&count);
printf("\n============== After thread creation ==============\n");
display_mallinfo();
thrd1.join();
printf("\n============== After thread join ==============\n");
display_mallinfo();
thrd2.join();
printf("\n============== After thread join ==============\n");
display_mallinfo();
thrd3.join();
printf("\n============== After thread join ==============\n");
display_mallinfo();
}
printf("\n============== After thread destruction ==============\n");
display_mallinfo();
{
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_t thrd1;
pthread_create(&thrd1, &attr, &count2, 0);
printf("\n============== After thread creation ==============\n");
display_mallinfo();
pthread_t thrd2;
pthread_create(&thrd2, &attr, &count2, 0);
printf("\n============== After thread creation ==============\n");
display_mallinfo();
pthread_t thrd3;
pthread_create(&thrd3, &attr, &count2, 0);
printf("\n============== After thread creation ==============\n");
display_mallinfo();
pthread_attr_destroy(&attr);
printf("\n============== After thread attr destroy ==============\n");
display_mallinfo();
void* res;
pthread_join(thrd3, &res);
printf("\n============== After thread join ==============\n");
display_mallinfo();
pthread_join(thrd2, &res);
printf("\n============== After thread join ==============\n");
display_mallinfo();
pthread_join(thrd1, &res);
printf("\n============== After thread join ==============\n");
display_mallinfo();
//pthread_destroy(&thrd1);
//pthread_destroy(&thrd2);
//pthread_destroy(&thrd3);
}
printf("\n============== After thread destruction ==============\n");
display_mallinfo();
return 1;
}