SpeedBreakerProject--speedbreaker/runtime/kernel/xdm.cpp

// Adapted from Unleashed Recompiled (https://github.com/hedge-dev/UnleashedRecomp),
// GPL-3.0-or-later. Modified for SpeedBreaker.
#include <stdafx.h>
#include "xdm.h"
#include "freelist.h"

Mutex g_kernelLock;

void DestroyKernelObject(KernelObject* obj)
{
    obj->~KernelObject();
    g_userHeap.Free(obj);
}

void ReleaseKernelObject(KernelObject* obj)
{
    if (--obj->refs == 0)
        DestroyKernelObject(obj);
}

uint32_t GetKernelHandle(KernelObject* obj)
{
    assert(obj != GetInvalidKernelObject());
    return g_memory.MapVirtual(obj);
}

void DestroyKernelObject(uint32_t handle)
{
    DestroyKernelObject(GetKernelObject(handle));
}

bool IsKernelObject(uint32_t handle)
{
    return (handle & 0x80000000) != 0;
}

bool IsKernelObject(void* obj)
{
    return IsKernelObject(g_memory.MapVirtual(obj));
}

bool IsInvalidKernelObject(void* obj)
{
    return obj == GetInvalidKernelObject();
}