//************************************************************
//********功能：向线程池提交工作对象
//********做法：若线程池中有空闲线程则立即给该工作给配线程并通知处理，否则进行线程池扩容或将工作根据优先级压入相应的工作队列： 高/普通工作队列
//********参数：工作对象shared_ptr指针
//********返回值：无
//************************************************************
bool CRealThreadPool::SubmitJob(shared_ptr<CJob>& job)//提交一个工作
{
if (m_IdleThread.isEmpty())//空闲线程栈为空
{
if (m_ThreadNum >= m_maxThreadNum)//当前线程数大于等于最大线程数，将工作压入工作队列
{
if (job->GetJobPri() == ThreadPriority::Normal)
m_NormalJob.pushJob(job);//压入普通工作队列
else
m_HighJob.pushJob(job);//压入高优先级工作队列
return true;
}
else
{
IncreaseCapacity();//扩容
}
}
CRealThread* pThread=m_IdleThread.pop();//从空闲栈取出
if (pThread == NULL)return false;
m_ActiveThread.addThread(pThread);//放入活动链表
pThread->AssignJob(job);//分配任务
pThread->notifyStartJob();//开始做任务
return true;
}
void Vector::InsertAt(int index, Object *o) {
CheckIndex(index);
if (curSize == curCap)
IncreaseCapacity();
for (int i = curSize; i > index; i--) { // shift elements right
elements[i] = elements[i - 1];
} // for
elements[index] = o;
curSize++;
} // Vector::InsertAt
char* ByteBuffer::GetBuffer(int size){
pthread_mutex_lock(_mutex);
if(_used+size>_capacity){
int tmp = _capacity;
while(tmp<_used+size)
tmp*=2;
IncreaseCapacity(tmp);
}
char* result = _buffer+_used;
_used+=size;
pthread_mutex_unlock(_mutex);
return result;
}
void Vector::Add(Object *o) {
if (curSize == curCap) // vector is full
IncreaseCapacity();
elements[curSize] = o;
curSize++;
} // Vector::Add