// ob_object.c - executive object manager
#include "ob_object.h"
#include "mm_virt.h"     // MmAllocatePool / MmFreePool
#include <string.h>
#include <intrin.h>

OBJECT* ObAllocateObject(OBJECT_TYPE type, size_t size) {
    if (size < sizeof(OBJECT)) size = sizeof(OBJECT);

    OBJECT* obj = (OBJECT *)MmAllocatePool(size);
    if (!obj) return (OBJECT *)0;

    memset(obj, 0, size);
    obj->Type     = type;
    obj->RefCount = 1;
    obj->Destroy  = (void *)0;   /* caller fills this in */
    return obj;
}

void ObReferenceObject(OBJECT* object) {
    if (!object) return;
    _InterlockedIncrement(&object->RefCount);
}

void ObDereferenceObject(OBJECT* object) {
    if (!object) return;
    long prev = _InterlockedDecrement(&object->RefCount);
    if (prev == 0) {
        /* Reference count hit zero - run the destructor then free. */
        if (object->Destroy) {
            object->Destroy(object);
        }
        MmFreePool(object);
    }
}