2
* Copyright (c) 2007 Intel Corporation. All Rights Reserved.
4
* Permission is hereby granted, free of charge, to any person obtaining a
5
* copy of this software and associated documentation files (the
6
* "Software"), to deal in the Software without restriction, including
7
* without limitation the rights to use, copy, modify, merge, publish,
8
* distribute, sub license, and/or sell copies of the Software, and to
9
* permit persons to whom the Software is furnished to do so, subject to
10
* the following conditions:
12
* The above copyright notice and this permission notice (including the
13
* next paragraph) shall be included in all copies or substantial portions
16
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
19
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
20
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
21
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
22
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25
#ifndef _OBJECT_HEAP_H_
26
#define _OBJECT_HEAP_H_
28
#define OBJECT_HEAP_OFFSET_MASK 0x7F000000
29
#define OBJECT_HEAP_ID_MASK 0x00FFFFFF
31
typedef struct object_base *object_base_p;
32
typedef struct object_heap *object_heap_p;
48
typedef int object_heap_iterator;
51
* Return 0 on success, -1 on error
53
int object_heap_init( object_heap_p heap, int object_size, int id_offset);
57
* Returns the object ID on success, returns -1 on error
59
int object_heap_allocate( object_heap_p heap );
62
* Lookup an allocated object by object ID
63
* Returns a pointer to the object on success, returns NULL on error
65
object_base_p object_heap_lookup( object_heap_p heap, int id );
68
* Iterate over all objects in the heap.
69
* Returns a pointer to the first object on the heap, returns NULL if heap is empty.
71
object_base_p object_heap_first( object_heap_p heap, object_heap_iterator *iter );
74
* Iterate over all objects in the heap.
75
* Returns a pointer to the next object on the heap, returns NULL if heap is empty.
77
object_base_p object_heap_next( object_heap_p heap, object_heap_iterator *iter );
82
void object_heap_free( object_heap_p heap, object_base_p obj );
85
* Destroys a heap, the heap must be empty.
87
void object_heap_destroy( object_heap_p heap );
89
#endif /* _OBJECT_HEAP_H_ */
added
removed
dummy_drv_video/object_heap.h
