task_thread.hxx

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#pragma once
#include <ice/task_types.hxx>
#include <ice/mem_unique_ptr.hxx>
#include <ice/string.hxx>
 
namespace ice
{
 
    using TaskThreadProcedure = auto(void* userdata, ice::TaskQueue&) noexcept -> ice::u32;
 
    struct TaskThreadInfo
    {
        bool exclusive_queue = false;

        bool sort_by_priority = false;

        bool wait_on_queue = true;

        ice::usize stack_size = 0_B;

        ice::TaskThreadProcedure* custom_procedure;

        void* custom_procedure_userdata;

        ice::String debug_name;
    };
 
    class TaskThread
    {
    public:
        virtual ~TaskThread() noexcept = default;
        virtual auto info() const noexcept -> ice::TaskThreadInfo const& = 0;
        virtual bool is_busy() const noexcept = 0;
        virtual bool is_running() const noexcept = 0;
 
        virtual auto estimated_task_count() const noexcept -> ice::u32 = 0;
 
        virtual auto queue() noexcept -> ice::TaskQueue& = 0;
    };
 
    auto create_thread(
        ice::Allocator& alloc,
        ice::TaskQueue& queue,
        ice::TaskThreadInfo const& thread_info
    ) noexcept -> ice::UniquePtr<ice::TaskThread>;
 
} // namespace ice