task_awaitable.hxx

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#pragma once
#include <ice/task_types.hxx>
#include <ice/task_flags.hxx>
 
namespace ice
{
 
    enum class TaskAwaitableModifier : ice::u32
    {
        Unused = 0x0,
        PriorityFlags = 0x8000'0000,
        DelayedExecution = 0x4000'0000,
        CustomValue = 0x2000'0000,
        CustomResumer = 0x1000'0000,
    };
 
    struct TaskAwaitableParams
    {
        ice::TaskAwaitableModifier modifier;
        union
        {
            ice::u32 u32_value;
            ice::TaskFlags task_flags;
        };
    };
 
    struct TaskAwaitableResult
    {
        void* ptr;
    };
 
    struct TaskAwaitableBase
    {
        ice::TaskAwaitableParams const _params;
        ice::coroutine_handle<> _coro;
        ice::TaskAwaitableBase* _next;
        ice::TaskAwaitableResult result;
    };
 
    using FnCustomResumerFunc = bool(*)(void* userdata, ice::TaskAwaitableBase const& awaitable) noexcept;
 
    struct TaskAwaitableCustomResumer
    {
        FnCustomResumerFunc fn_resumer;
        void* ud_resumer;
    };
 
    // Callback aliases
    using FnTaskQueueFilter = bool(*)(ice::TaskAwaitableParams params, void* userdata) noexcept;
 
} // namespace ice