lab-rv32i-freertos-scheduler-states/include/freertos/task_ref.hpp

#ifndef FREERTOS_CPP_TASK_REF_HPP
#define FREERTOS_CPP_TASK_REF_HPP

extern "C"
{
#include "FreeRTOS.h"
#include "task.h"
}

namespace freertos
{

/* Non-owning view: it never deletes the task and must not outlive the handle. */
class TaskRef final
{
public:
    explicit constexpr TaskRef( TaskHandle_t handle ) noexcept
        : handle_ { handle }
    {
    }

    static TaskRef current() noexcept
    {
        return TaskRef { xTaskGetCurrentTaskHandle() };
    }

    eTaskState state() const noexcept
    {
        return eTaskGetState( handle_ );
    }

    UBaseType_t priority() const noexcept
    {
        return uxTaskPriorityGet( handle_ );
    }

    void set_priority( UBaseType_t priority ) const noexcept
    {
        vTaskPrioritySet( handle_, priority );
    }

    constexpr TaskHandle_t native_handle() const noexcept
    {
        return handle_;
    }

private:
    TaskHandle_t handle_;
};

} // namespace freertos

#endif