72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/*
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Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef NDB_MEM_H
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#define NDB_MEM_H
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#include <ndb_global.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* NdbMem_MemLockAll
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* Locks virtual memory in main memory
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*/
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int NdbMem_MemLockAll(int);
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/**
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* NdbMem_MemUnlockAll
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* Unlocks virtual memory
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*/
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int NdbMem_MemUnlockAll(void);
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/**
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* Memlock region
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*/
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int NdbMem_MemLock(const void * ptr, size_t len);
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#ifdef VM_TRACE
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/**
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* Experimental functions for manage address space without backing, nor in
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* memory nor on disk.
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*/
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int NdbMem_ReserveSpace(void** ptr, size_t len);
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int NdbMem_PopulateSpace(void* ptr, size_t len);
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int NdbMem_FreeSpace(void* ptr, size_t len);
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#endif
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void* NdbMem_AlignedAlloc(size_t alignment, size_t size);
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void NdbMem_AlignedFree(void* p);
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#ifdef __cplusplus
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}
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#endif
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#endif
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