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list
CCondition m_IdleJobCond; //m_JobCond is used to sync job list
CCondition m_MaxNumCond;
vector<CWorkerThread*> m_ThreadList;
vector<CWorkerThread*> m_BusyList; //Thread List
vector<CWorkerThread*> m_IdleList; //Idle List
CThreadPool();
CThreadPool(int initnum);
virtual ~CThreadPool();
void SetMaxNum(int maxnum){m_MaxNum = maxnum;}
int GetMaxNum(void){return m_MaxNum;}
void SetAvailLowNum(int minnum){m_AvailLow = minnum;}
int GetAvailLowNum(void){return m_AvailLow;}
void SetAvailHighNum(int highnum){m_AvailHigh = highnum;}
int GetAvailHighNum(void){return m_AvailHigh;}
int GetActualAvailNum(void){return m_AvailNum;}
int GetAllNum(void){return m_ThreadList.size();}
int GetBusyNum(void){return m_BusyList.size();}
void SetInitNum(int initnum){m_InitNum = initnum;}
int GetInitNum(void){return m_InitNum;}
void TerminateAll(void);
void Run(CJob* job,void* jobdata);
};
CThreadPool::CThreadPool()
{
m_MaxNum = 50;
m_AvailLow = 5;
m_InitNum=m_AvailNum = 10 ;
m_AvailHigh = 20;
m_BusyList.clear();
m_IdleList.clear();
for(int i=0;i<m_InitNum;i++){
CWorkerThread* thr = new CWorkerThread();
thr->SetThreadPool(this);
AppendToIdleList(thr);
thr->Start();
}
}
CThreadPool::CThreadPool(int initnum)
{
assert(initnum>0 && initnum<=30);
m_MaxNum = 30;
m_AvailLow = initnum-10>0?initnum-10:3;
m_InitNum=m_AvailNum = initnum ;
m_AvailHigh = initnum+10;
m_BusyList.clear();
m_IdleList.clear();
for(int i=0;i<m_InitNum;i++){
CWorkerThread* thr = new CWorkerThread();
AppendToIdleList(thr);
thr->SetThreadPool(this);
thr->Start(); //begin the thread,the thread wait for job
}
}
CThreadPool::~CThreadPool()
{
TerminateAll();
}
void CThreadPool::TerminateAll()
{
for(int i=0;i < m_ThreadList.size();i++) {
CWorkerThread* thr = m_ThreadList[i];
thr->Join();
}
return;
}
CWorkerThread* CThreadPool::GetIdleThread(void)
{
while(m_IdleList.size() ==0 )
m_IdleCond.Wait();
m_IdleMutex.Lock();
if(m_IdleList.size() > 0 )
{
CWorkerThread* thr = (CWorkerThread*)m_IdleList.front();
printf("Get Idle thread %dn",thr->GetThreadID());
m_IdleMutex.Unlock();
return thr;
}
m_IdleMutex.Unlock();
return NULL;
}
//add an idle thread to idle list
void CThreadPool::AppendToIdleList(CWorkerThread* jobthread)
{
m_IdleMutex.Lock();
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