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- //验证channel是否线程安全
-
- #include <chrono>
- #include <iostream>
- #include <string>
- #include <conio.h>
- #include <thread>
- #include <deque>
- #include <mutex>
-
- #include "librf.h"
-
- using namespace resumef;
-
- using namespace std::chrono;
- static std::mutex cout_mutex;
-
- #define OUTPUT_DEBUG 0
-
- future_vt test_channel_consumer(const channel_t<std::string> & c, size_t cnt)
- {
- for (size_t i = 0; i < cnt; ++i)
- {
- try
- {
- auto val = co_await c.read();
- #if OUTPUT_DEBUG
- {
- scoped_lock<std::mutex> __lock(cout_mutex);
- std::cout << "R " << val << "@" << std::this_thread::get_id() << std::endl;
- }
- #endif
- }
- catch (channel_exception e)
- {
- //MAX_CHANNEL_QUEUE=0,并且先读后写,会触发read_before_write异常
- scoped_lock<std::mutex> __lock(cout_mutex);
- std::cout << e.what() << std::endl;
- }
-
- #if OUTPUT_DEBUG
- co_await sleep_for(50ms);
- #endif
- }
- }
-
- future_vt test_channel_producer(const channel_t<std::string> & c, size_t cnt)
- {
- for (size_t i = 0; i < cnt; ++i)
- {
- co_await c.write(std::to_string(i));
- #if OUTPUT_DEBUG
- {
- scoped_lock<std::mutex> __lock(cout_mutex);
- std::cout << "W " << i << "@" << std::this_thread::get_id() << std::endl;
- }
- #endif
- }
- }
-
- const size_t N = 8;
- const size_t BATCH = 1000000;
- const size_t MAX_CHANNEL_QUEUE = N + 1; //0, 1, 5, 10, -1
-
- void resumable_main_channel_mult_thread()
- {
- channel_t<std::string> c(MAX_CHANNEL_QUEUE);
-
- std::thread wth([&]
- {
- //local_scheduler my_scheduler; //2017/11/27日,仍然存在BUG。真多线程下调度,存在有协程无法被调度完成的BUG
- go test_channel_producer(c, BATCH * N);
- this_scheduler()->run_until_notask();
-
- std::cout << "Write OK" << std::endl;
- });
-
- //std::this_thread::sleep_for(100ms);
-
- std::thread rth[N];
- for (size_t i = 0; i < N; ++i)
- {
- rth[i] = std::thread([&]
- {
- //local_scheduler my_scheduler; //2017/11/27日,仍然存在BUG。真多线程下调度,存在有协程无法被调度完成的BUG
- go test_channel_consumer(c, BATCH);
- this_scheduler()->run_until_notask();
-
- std::cout << "Read OK" << std::endl;
- });
- }
-
- for(auto & th : rth)
- th.join();
- wth.join();
-
- std::cout << "OK" << std::endl;
- _getch();
- }
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