NdbMem.h
上传用户:romrleung
上传日期:2022-05-23
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文件大小:2k
- /* Copyright (C) 2003 MySQL AB
- 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 2 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, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #ifndef NDB_MEM_H
- #define NDB_MEM_H
- #include <ndb_global.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- /**
- * NdbMem_Create
- * Create and initalise internal data structures for Ndb
- */
- void NdbMem_Create(void);
- /**
- * NdbMem_Destroy
- * Destroy all memory allocated by NdbMem
- */
- void NdbMem_Destroy(void);
- /**
- * NdbMem_Allocate
- * Allocate size of memory
- * @parameter size - size in bytes of memory to allocate
- * @returns - pointer to memory if succesful otherwise NULL
- */
- void* NdbMem_Allocate(size_t size);
- /**
- * NdbMem_AllocateAlign
- * Allocate size of memory
- * @parameter size - size in bytes of memory to allocate
- * @paramter alignment - byte boundary to align the data at
- * @returns - pointer to memory if succesful otherwise NULL
- */
- void* NdbMem_AllocateAlign(size_t size, size_t alignment);
- /**
- * NdbMem_Free
- * Free the memory that ptr points to
- * @parameter ptr - pointer to the memory to free
- */
- void NdbMem_Free(void* ptr);
- /**
- * NdbMem_MemLockAll
- * Locks virtual memory in main memory
- */
- int NdbMem_MemLockAll(void);
- /**
- * NdbMem_MemUnlockAll
- * Unlocks virtual memory
- */
- int NdbMem_MemUnlockAll(void);
- #ifdef __cplusplus
- }
- #endif
- #endif