pending_task_queue.hpp

#pragma once
 
#include <deque>
 
namespace dispatch_queue {
 
namespace detail {
 
using pending_task = std::function<void()>;
 
class pending_task_queue {
public:
    bool empty() const;
    size_t size() const;
    void clear();
 
    void push(pending_task&& task, bool run_on_main_loop);
    bool try_pop(pending_task& task);
    std::deque<pending_task> pop_main_loop_tasks();
 
private:
    std::deque<pending_task> background_tasks;
    std::deque<pending_task> main_loop_tasks;
};
 
} // end namespace detail
 
} // end namespace dispatch_queue