#ifndef _AQ_THREADING_H
#define _AQ_THREADING_H

#include <stdint.h>

class ThreadPool{

public:
    typedef void(*payload_fn_t)(void*);

    struct payload_t{
        payload_fn_t f;
        void* args;
        constexpr payload_t(payload_fn_t f, void* args) noexcept
            : f(f), args(args) {}
        constexpr payload_t() noexcept
            : f(nullptr), args(nullptr) {};
        bool is_empty() const { return f && args; }
        void empty() { f = nullptr; args = nullptr; }
        void operator()() { f(args); }
    };
    ThreadPool(uint32_t n_threads = 0);
    void enqueue_task(const payload_t& payload);
    bool busy();
    virtual ~ThreadPool();

private:
    uint32_t n_threads;
    void* thread_handles;
    void* thread_flags;
    payload_t* current_payload;
    void* payload_queue;
    void* tick_handle;
    void* ticking;
    void* payload_queue_lock;
    bool terminate;
    void tick();
    void daemon_proc(uint32_t);

};

#endif