libnx simple thread class

#include "thread.hpp"
extern "C" {
#include <switch/kernel/svc.h>
#include <switch/result.h>
}
static inline int getNextCpuId()
{
    const auto currProcNum = svcGetCurrentProcessorNumber();
    const auto nextProcNum = (currProcNum + 1) % 4;
    if (nextProcNum == 3) //ew, kernel cpu
        return 0;
    else
        return (int)nextProcNum;
}

thread::thread(thread::FuncType&& func, size_t stackSize, int priority) : _func(std::move(func))
{
    _status = threadCreate(&_thr, [](void* arg) { static_cast<thread*>(arg)->run(); }, this, stackSize, priority, getNextCpuId());
    if (R_FAILED(_status))
        return;

    _status = threadStart(&_thr);
    if (R_FAILED(_status))
    {
        threadClose(&_thr);
        return;
    }
}

Result thread::join()
{
    if (R_FAILED(_status))
        return _status;

    return threadWaitForExit(&_thr);
}

thread::~thread()
{
    if (R_SUCCEEDED(_status))
    {
        join();
        threadClose(&_thr);
    }
}