mirror of
https://github.com/VincentWei/MiniGUI.git
synced 2026-09-28 16:17:09 +08:00
99 lines
3.0 KiB
C
99 lines
3.0 KiB
C
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// IMPORTANT NOTICE
|
|
//
|
|
// The following open source license statement does not apply to any
|
|
// entity in the Exception List published by FMSoft.
|
|
//
|
|
// For more information, please visit:
|
|
//
|
|
// https://www.fmsoft.cn/exception-list
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
/*
|
|
* This file is part of MiniGUI, a mature cross-platform windowing
|
|
* and Graphics User Interface (GUI) support system for embedded systems
|
|
* and smart IoT devices.
|
|
*
|
|
* Copyright (C) 2002~2018, Beijing FMSoft Technologies Co., Ltd.
|
|
* Copyright (C) 1998~2002, WEI Yongming
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* Or,
|
|
*
|
|
* As this program is a library, any link to this program must follow
|
|
* GNU General Public License version 3 (GPLv3). If you cannot accept
|
|
* GPLv3, you need to be licensed from FMSoft.
|
|
*
|
|
* If you have got a commercial license of this program, please use it
|
|
* under the terms and conditions of the commercial license.
|
|
*
|
|
* For more information about the commercial license, please refer to
|
|
* <http://www.minigui.com/blog/minigui-licensing-policy/>.
|
|
*/
|
|
/*
|
|
** blockheap.h: the head file of heap for block data.
|
|
**
|
|
** Create date: 2001/01/10
|
|
*/
|
|
|
|
#ifndef GUI_BLOCKHEAP_H
|
|
#define GUI_BLOCKHEAP_H
|
|
|
|
#ifndef _MGUI_GDI_H /* included in include/gdi.h */
|
|
|
|
struct _BLOCKHEAP {
|
|
#ifdef _MGRM_THREADS
|
|
pthread_mutex_t lock;
|
|
#endif
|
|
/* Size of one block element. */
|
|
size_t sz_block;
|
|
/* Size of the heap in blocks. */
|
|
size_t sz_heap;
|
|
/* The first free element in the heap. */
|
|
size_t sz_usage_bmp;
|
|
/* The number of blocks extra allocated. */
|
|
size_t nr_alloc;
|
|
|
|
/* Pointer to the pre-allocated heap. */
|
|
unsigned char* heap;
|
|
/* Pointer to the usage bitmap. */
|
|
unsigned char* usage_bmp;
|
|
};
|
|
|
|
typedef struct _BLOCKHEAP BLOCKHEAP;
|
|
typedef BLOCKHEAP* PBLOCKHEAP;
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
/* Function definitions */
|
|
|
|
void InitBlockDataHeap (PBLOCKHEAP heap, size_t bd_size, size_t heap_size);
|
|
void* BlockDataAlloc (PBLOCKHEAP heap);
|
|
void BlockDataFree (PBLOCKHEAP heap, void* data);
|
|
void DestroyBlockDataHeap (PBLOCKHEAP heap);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
#endif /* not defined GUI_GDI_H */
|
|
|
|
#endif /* GUI_BLOCKHEAP_H */
|
|
|
|
|