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push_back(jobthread);
m_ThreadList.push_back(jobthread);
m_IdleMutex.Unlock();
}
//move and idle thread to busy thread
void CThreadPool::MoveToBusyList(CWorkerThread* idlethread)
{
m_BusyMutex.Lock();
m_BusyList.push_back(idlethread);
m_AvailNum--;
m_BusyMutex.Unlock();
m_IdleMutex.Lock();
vector<CWorkerThread*>::iterator pos;
pos = find(m_IdleList.begin(),m_IdleList.end(),idlethread);
if(pos !=m_IdleList.end())
m_IdleList.erase(pos);
m_IdleMutex.Unlock();
}
void CThreadPool::MoveToIdleList(CWorkerThread* busythread)
{
m_IdleMutex.Lock();
m_IdleList.push_back(busythread);
m_AvailNum++;
m_IdleMutex.Unlock();
m_BusyMutex.Lock();
vector<CWorkerThread*>::iterator pos;
pos = find(m_BusyList.begin(),m_BusyList.end(),busythread);
if(pos!=m_BusyList.end())
m_BusyList.erase(pos);
m_BusyMutex.Unlock();
m_IdleCond.Signal();
m_MaxNumCond.Signal();
}
//create num idle thread and put them to idlelist
void CThreadPool::CreateIdleThread(int num)
{
for(int i=0;i<num;i++){
CWorkerThread* thr = new CWorkerThread();
thr->SetThreadPool(this);
AppendToIdleList(thr);
m_VarMutex.Lock();
m_AvailNum++;
m_VarMutex.Unlock();
thr->Start(); //begin the thread,the thread wait for job
}
}
void CThreadPool::DeleteIdleThread(int num)
{
printf("Enter into CThreadPool::DeleteIdleThreadn");
m_IdleMutex.Lock();
printf("Delete Num is %dn",num);
for(int i=0;i<num;i++){
CWorkerThread* thr;
if(m_IdleList.size() > 0 ){
thr = (CWorkerThread*)m_IdleList.front();
printf("Get Idle thread %dn",thr->GetThreadID());
}
vector<CWorkerThread*>::iterator pos;
pos = find(m_IdleList.begin(),m_IdleList.end(),thr);
if(pos!=m_IdleList.end())
m_IdleList.erase(pos);
m_AvailNum--;
printf("The idle thread available num:%d n",m_AvailNum);
printf("The idlelist num:%d n",m_IdleList.size());
}
m_IdleMutex.Unlock();
}
void CThreadPool::Run(CJob* job,void* jobdata)
{
assert(job!=NULL);
//if the busy thread num adds to m_MaxNum,so we should wait
if(GetBusyNum() == m_MaxNum)
m_MaxNumCond.Wait();
if(m_IdleList.size()<m_AvailLow)
{
if(GetAllNum()+m_InitNum-m_IdleList.size() < m_MaxNum )
CreateIdleThread(m_InitNum-m_IdleList.size());
else
CreateIdleThread(m_MaxNum-GetAllNum());
}
CWorkerThread* idlethr = GetIdleThread();
if(idlethr !=NULL)
{
idlethr->m_WorkMutex.Lock();
MoveToBusyList(idlethr);
idlethr->SetThreadPool(this);
job->SetWorkThread(idlethr);
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