#include?“stdafx.h“
#include?“mem_pool.h“
//#include?“../auto_lock.h“

//--------------------------------------------MemBlock----------------------------------------------------
#define?LOG_TAG?“mem?pool“

FixedMemBlock::FixedMemBlock（UINT?unitSize?USHORT?unitCount）?:
m_blockTotalSize（unitSize?*?unitCount）
m_freeUnitCount（unitCount?-?1）
m_firstFreeIndex（1）
m_pNextBlock（NULL）
m_unitSize（unitSize）
{
	char?*p?=?m_firstByte;
	//the?min?index?is?1?max?index?is?（unitCount?-?1）
	//0th?unit?points?to?1th?unit?1th?points?to?2th...（unitCount-2）th?points?to?（unitCount-1）

	for?（int?i?=?1;?i?<=?unitCount?-?1;?++i）
	{
		（*（USHORT?*）p）?=?i;
		p?+=?unitSize;
	}
}

FixedMemBlock::~FixedMemBlock（）
{}

void?*FixedMemBlock::getFirstFreeUnit（）
{
	void?*pRet?=?NULL;
	if（m_freeUnitCount?>?0）
	{
		pRet?=?m_firstByte?+?（（UINT）m_firstFreeIndex）?*?m_unitSize;
#ifdef?FIXEDMEMPOOL_DEBUG
		PRINT_I（LOG_TAG?“alloc?unit?%i?%i??from?%i“?m_firstFreeIndex?pRet?this）;
#endif
		m_firstFreeIndex?=?*（USHORT?*）pRet;
		m_freeUnitCount--;
#ifdef?FIXEDMEMPOOL_DEBUG
		PRINT_I（LOG_TAG?“next?unit?%i“?m_firstFreeIndex）;
		PRINT_I（LOG_TAG?“current?unit?count?%i“?m_freeUnitCount）;
		PRINT_I（LOG_TAG?“--------------------------“）;
#endif
	}
	return?pRet;
}

bool?FixedMemBlock::containsUnit（void?*addr）
{
	ULONG?l?=?（ULONG）addr;
	return?（l?>=?（ULONG）（m_firstByte）?&&?l?}

void?FixedMemBlock::releaseUnit（void?*p）
{
	//when?invoke?this?method?should?guarantee?that?p?definitely?belongs?to?this?block
	//so?it‘s?private?not?allow?user?to?invoke?it
	//write?the?pre-free?index?to?the?head?of?the?unit
	*（USHORT?*）p?=?m_firstFreeIndex;
	m_firstFreeIndex?=?（USHORT）（（（ULONG）p?-?（ULONG）（m_firstByte））?/?m_unitSize）;
	m_freeUnitCount++;
#ifdef?FIXEDMEMPOOL_DEBUG
	PRINT_I（LOG_TAG?“release?unit?%i??from?%i“?m_firstFreeIndex?this）;
	PRINT_I（LOG_TAG?“current?unit?count?%i“?m_freeUnitCount）;
#endif
}

void?*?FixedMemBlock::operator?new（size_t?UINT?unitSize?UINT?unitCount）
{
	void?*ret?=?::operator?new（sizeof（FixedMemBlock）?+?unitSize?*?unitCount）;
#ifdef?FIXEDMEMPOOL_DEBUG
	PRINT_I（LOG_TAG?“alloc?new?block?%i“?ret）;
#endif
	return?ret;
}

void?FixedMemBlock::operator?delete（void?*p?UINT?unitSize?UINT?unitCount）
{
	if?（p）::operator?delete（p）;
}

void?FixedMemBlock::operator?delete（void?*p?size_t）
{
#ifdef?FIXEDMEMPOOL_DEBUG
	PRINT_I（LOG_TAG?“release?block?%i“?p）;
#endif
	if?（p）::operator?delete（p）;
}



//--------------------------------------------MemPool----------------------------------------------------

FixedMemPool::FixedMemPool（）:
m_pBlockHead（NULL）
m_blockCount（0）
m_autoReleaseFreeBlock（false）
m_maxReserveBlocksCount（0）
m_totalAllocSize（0）
m_isInited（false）
m_unitSize（0）
m_unitCountPerBlock（0）
{
}

FixedMemPool::FixedMemPool（UINT?unitSize?USHORT?unitCountPerBlock）?:
m_pBlockHead（NULL）
m_blockCount（0）
m_autoReleaseFreeBl

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-08-03?15:31??threadPool\
?????文件?????3083264??2015-08-03?17:25??threadPool.ncb
?????文件?????????896??2015-07-23?22:02??threadPool.sln
?????文件???????31232??2015-08-03?17:24??threadPool.suo
?????目錄???????????0??2015-08-03?15:31??threadPool\Debug\
?????文件????????6706??2015-08-03?15:31??threadPool\Debug\BuildLog.htm
?????文件???????20691??2015-07-24?00:57??threadPool\Debug\mem_pool.obj
?????文件??????????65??2015-08-03?15:31??threadPool\Debug\mt.dep
?????文件???????11917??2015-07-23?22:12??threadPool\Debug\stdafx.obj
?????文件???????68561??2015-07-28?22:17??threadPool\Debug\thread.obj
?????文件?????????663??2015-07-23?22:12??threadPool\Debug\threadPool.exe.embed.manifest
?????文件?????????728??2015-07-23?22:12??threadPool\Debug\threadPool.exe.embed.manifest.res
?????文件?????????621??2015-08-03?15:31??threadPool\Debug\threadPool.exe.intermediate.manifest
?????文件???????60963??2015-08-03?15:31??threadPool\Debug\threadPool.obj
?????文件?????3211264??2015-07-23?22:12??threadPool\Debug\threadPool.pch
?????文件??????353307??2015-08-03?15:29??threadPool\Debug\ThreadPoolExecutor.obj
?????文件??????666624??2015-08-03?15:31??threadPool\Debug\vc90.idb
?????文件??????389120??2015-08-03?15:31??threadPool\Debug\vc90.pdb
?????文件????????6986??2015-07-24?00:57??threadPool\mem_pool.cpp
?????文件????????2413??2015-07-24?00:57??threadPool\mem_pool.h
?????文件????????1201??2015-07-23?22:02??threadPool\ReadMe.txt
?????文件?????????215??2015-07-23?22:02??threadPool\stdafx.cpp
?????文件?????????233??2015-07-23?22:02??threadPool\stdafx.h
?????文件?????????498??2015-07-23?22:02??threadPool\targetver.h
?????文件????????2441??2015-07-24?00:58??threadPool\thread.cpp
?????文件????????1624??2015-07-23?22:04??threadPool\thread.h
?????文件?????????785??2015-08-03?15:31??threadPool\threadPool.cpp
?????文件????????4901??2015-07-24?00:55??threadPool\threadPool.vcproj
?????文件????????1413??2015-08-03?17:24??threadPool\threadPool.vcproj.zhang-PC.zhang.user
?????文件????????5553??2015-08-03?15:28??threadPool\ThreadPoolExecutor.cpp
?????文件????????2211??2015-07-24?00:52??threadPool\ThreadPoolExecutor.h
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