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Diffstat (limited to 'storage/ndb/include/portlib/NdbMem.h')
-rw-r--r-- | storage/ndb/include/portlib/NdbMem.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/storage/ndb/include/portlib/NdbMem.h b/storage/ndb/include/portlib/NdbMem.h new file mode 100644 index 00000000000..0f2de80200e --- /dev/null +++ b/storage/ndb/include/portlib/NdbMem.h @@ -0,0 +1,81 @@ +/* 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 |