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UT_MemUtil.h
Go to the documentation of this file.
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/*
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* PROPRIETARY INFORMATION. This software is proprietary to
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* Side Effects Software Inc., and is not to be reproduced,
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* transmitted, or disclosed in any way without written permission.
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*
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* NAME: UT_MemUtil.h ( UT Library, C++)
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*
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* COMMENTS:
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*
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* Memory utility functions, for doing various low-level memory
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* operations. Currently only implemented for Linux.
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*
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*/
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#ifndef UT_MEM_UTIL_H
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#define UT_MEM_UTIL_H
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#include "
UT_API.h
"
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#include <
SYS/SYS_Types.h
>
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#include <stddef.h>
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enum
UTmemAdvice
{
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UT_MEM_ADVICE_NONE
,
// no advice.
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UT_MEM_ADVICE_RANDOM
,
// random order access - don't fetch ahead.
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UT_MEM_ADVICE_SEQ
,
// sequential access - fetch ahead aggresively.
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UT_MEM_ADVICE_NEEDSOON
,
// fetch ahead.
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UT_MEM_ADVICE_DONE
// done with the memory for now.
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};
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UT_API
int
UTmemAdvise
(
void
*mem,
size_t
bytes
,
UTmemAdvice
advice);
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// like memset, except it'll work with any arbitrary byte size of data.
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UT_API
void
UTmemsetChunk
(
void
*dest,
const
void
*
value
,
exint
valuesize,
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exint
ncopies);
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// attempts to return the actual # of bytes that malloc would return for a
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// block of 'size' bytes.
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UT_API
size_t
UTmallocSize
(
size_t
size
);
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UT_API
void
UTdumpHeap
();
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UT_API
void
UTdumpMemory
(
void
*base);
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/// Attempt to free unused heap allocated memory.
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UT_API
void
UTtrimUnusedHeapMemory
();
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#endif
UTmallocSize
UT_API size_t UTmallocSize(size_t size)
UTtrimUnusedHeapMemory
UT_API void UTtrimUnusedHeapMemory()
Attempt to free unused heap allocated memory.
UT_MEM_ADVICE_DONE
Definition:
UT_MemUtil.h:26
UTmemAdvice
UTmemAdvice
Definition:
UT_MemUtil.h:21
exint
int64 exint
Definition:
SYS_Types.h:125
UT_MEM_ADVICE_RANDOM
Definition:
UT_MemUtil.h:23
UT_API.h
UT_API
#define UT_API
Definition:
UT_API.h:14
UT_MEM_ADVICE_NONE
Definition:
UT_MemUtil.h:22
SYS_Types.h
UTmemAdvise
UT_API int UTmemAdvise(void *mem, size_t bytes, UTmemAdvice advice)
UTdumpHeap
UT_API void UTdumpHeap()
size
GLsizeiptr size
Definition:
glcorearb.h:664
UT_MEM_ADVICE_NEEDSOON
Definition:
UT_MemUtil.h:25
UT_MEM_ADVICE_SEQ
Definition:
UT_MemUtil.h:24
UTmemsetChunk
UT_API void UTmemsetChunk(void *dest, const void *value, exint valuesize, exint ncopies)
value
Definition:
core.h:1131
UTdumpMemory
UT_API void UTdumpMemory(void *base)
bytes
Definition:
format.h:2459
UT
UT_MemUtil.h
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