Chloe M.
96 lines
1.9 KiB
C
96 lines
1.9 KiB
C
/*
|
|
* Copyright (c) 2026, Chloe M.
|
|
* Provided under the BSD-3 clause.
|
|
*
|
|
* Description: Object manager
|
|
* Author: Chloe M.
|
|
*/
|
|
|
|
#ifndef _OB_OBJECT_H_
|
|
#define _OB_OBJECT_H_ 1
|
|
|
|
#include <stapi/status.h>
|
|
#include <stdef.h>
|
|
|
|
/* Maximum size of system object names */
|
|
#define OBJECT_NAMESZ 32
|
|
|
|
/* Slut tag for pool allocations */
|
|
#define OBJECT_POOL_TAG 'OB'
|
|
|
|
/*
|
|
* Represents valid object types
|
|
*
|
|
* @OBJECT_TYPE_DIRECTORY: Object is directory
|
|
*/
|
|
typedef enum {
|
|
OBJECT_TYPE_DIRECTORY
|
|
} OBJECT_TYPE;
|
|
|
|
/*
|
|
* Represents a Slut Technology system object
|
|
*
|
|
* @Name: Name of object
|
|
* @RefCount: Object reference count
|
|
* @Type: Object type
|
|
* @Data: Object data
|
|
* @CacheNext: Used when reclaiming object
|
|
*/
|
|
typedef struct _ST_OBJECT {
|
|
CHAR Name[OBJECT_NAMESZ];
|
|
ULONG RefCount;
|
|
OBJECT_TYPE Type;
|
|
VOID *Data;
|
|
struct _ST_OBJECT *CacheNext;
|
|
} ST_OBJECT;
|
|
|
|
/*
|
|
* Represents a directory object containing one or more
|
|
* objects.
|
|
*
|
|
* @First: First entry in object directory
|
|
* @Last: Last entry in object directory
|
|
* @EntryCount: Number of entries in directory
|
|
*/
|
|
typedef struct {
|
|
ST_OBJECT *First;
|
|
ST_OBJECT *Last;
|
|
USIZE EntryCount;
|
|
} OBJECT_DIRECTORY;
|
|
|
|
/*
|
|
* Create a new object directory
|
|
*
|
|
* @Name: Name of object
|
|
* @Result: Resulting object is written here
|
|
*/
|
|
ST_STATUS ObCreateDirectory(const CHAR *Name, ST_OBJECT **Result);
|
|
|
|
/*
|
|
* Allocate and create a new objec
|
|
*
|
|
* @Name: Object name
|
|
* @Type: Object type
|
|
* @Data: Actual backing data
|
|
* @Result: Result is written here
|
|
*/
|
|
ST_STATUS ObCreateObject(
|
|
const CHAR *Name, OBJECT_TYPE Type,
|
|
VOID *Data, ST_OBJECT **Result
|
|
);
|
|
|
|
/*
|
|
* Initialize the object manager
|
|
*/
|
|
VOID ObInitManager(VOID);
|
|
|
|
/*
|
|
* Reclaim an object after use, if its reference count is > 1, simply
|
|
* bump it down. Once it hits zero, the object is returned to the cache.
|
|
*
|
|
* @Object: Object to reclaim
|
|
*/
|
|
VOID ObReclaimObject(ST_OBJECT *Object);
|
|
|
|
#endif /* !_OB_OBJECT_H_ */
|