globals.h

// ***********************************************************************
// Assembly         : task_scheduler
// Author           : viknash
// ***********************************************************************
// <copyright file="globals.h" >
//     Copyright (c) viknash. All rights reserved.
// </copyright>
// <summary></summary>
// ***********************************************************************
#pragma once

#include <atomic>
#include <cstdint>
#include <thread>

#include "platform.h"
#include "types.h"
#include "utils.h"

namespace task_scheduler
{

    const thread_num_t max_num_threads = 64;

    class globals
    {
        public:
        std::mutex io_mutex;
        ts_windows_only(HANDLE console_handle;);
        std::atomic< thread_num_t > next_thread_number;

        globals()
            : next_thread_number(1)
        {
            ts_windows_only(console_handle = GetStdHandle(STD_OUTPUT_HANDLE););
        }

        template <class TKey>
        static globals* instance()
        {
            static globals static_data;
            return &static_data;
        }
    };

    thread_local tstring thread_name;
    thread_local thread_num_t thread_unique_number;
    thread_local void *current_thread;

    inline uint8_t get_thread_number()
    {
        if (!thread_unique_number)
        {
            thread_unique_number = ++(get<globals>()->next_thread_number);
        }
        return thread_unique_number;
    }

    template < class T > T *get_current_thread() { return static_cast<T *>(current_thread); }

}