Thread.hpp

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#pragma once
 
#include <atomic>
#include <chrono>
#include <libbenbot/search/Callbacks.hpp>
#include <libbenbot/search/Context.hpp>
#include <libchess/game/Position.hpp>
#include <thread>
 
namespace chess::uci {
struct GoCommandOptions;
} // namespace chess::uci
 
namespace ben_bot::search {
 
using std::chrono::milliseconds;

struct Thread final {
    Thread() = default;

    explicit Thread(Callbacks&& callbacksToUse);
 
    ~Thread();
 
    Thread(const Thread&)            = delete;
    Thread& operator=(const Thread&) = delete;
    Thread(Thread&&)                 = delete;
    Thread& operator=(Thread&&)      = delete;

    Context context;

    void start()
    {
        context.wait(); // shouldn't have been searching, but better safe than sorry
 
        startSearch.store(true, std::memory_order::release);
    }
 
private:
    void thread_func();
 
    std::thread searcherThread { [this] { thread_func(); } };
 
    std::atomic_bool threadShouldExit { false };
    std::atomic_bool startSearch { false };
};
 
} // namespace ben_bot::search