diff options
Diffstat (limited to 'dummy_drv_video/object_heap.h')
-rw-r--r-- | dummy_drv_video/object_heap.h | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/dummy_drv_video/object_heap.h b/dummy_drv_video/object_heap.h deleted file mode 100644 index 58e1183..0000000 --- a/dummy_drv_video/object_heap.h +++ /dev/null @@ -1,100 +0,0 @@ -/* - * Copyright (c) 2007 Intel Corporation. All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#ifndef OBJECT_HEAP_H -#define OBJECT_HEAP_H - -#include <pthread.h> - -#define OBJECT_HEAP_OFFSET_MASK 0x7F000000 -#define OBJECT_HEAP_ID_MASK 0x00FFFFFF - -typedef struct object_base *object_base_p; -typedef struct object_heap *object_heap_p; - -struct object_base { - int id; - int next_free; -}; - -struct object_heap { - pthread_mutex_t mutex; - int object_size; - int id_offset; - int next_free; - int heap_size; - int heap_increment; - void **bucket; - int num_buckets; -}; - -typedef int object_heap_iterator; - -/* - * Return 0 on success, -1 on error - */ -int -object_heap_init(object_heap_p heap, int object_size, int id_offset); - -/* - * Allocates an object - * Returns the object ID on success, returns -1 on error - */ -int -object_heap_allocate(object_heap_p heap); - -/* - * Lookup an allocated object by object ID - * Returns a pointer to the object on success, returns NULL on error - */ -object_base_p -object_heap_lookup(object_heap_p heap, int id); - -/* - * Iterate over all objects in the heap. - * Returns a pointer to the first object on the heap, returns NULL if heap is empty. - */ -object_base_p -object_heap_first(object_heap_p heap, object_heap_iterator *iter); - -/* - * Iterate over all objects in the heap. - * Returns a pointer to the next object on the heap, returns NULL if heap is empty. - */ -object_base_p -object_heap_next(object_heap_p heap, object_heap_iterator *iter); - -/* - * Frees an object - */ -void -object_heap_free(object_heap_p heap, object_base_p obj); - -/* - * Destroys a heap, the heap must be empty. - */ -void -object_heap_destroy(object_heap_p heap); - -#endif /* OBJECT_HEAP_H */ |