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pthread_create
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pthread_join
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pthread_cancel
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pthread_mutex_lock
pthread_mutex_unlock
pthread_cond_signal
pthread_cond_wait
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/**
Ö´ÐÐÈÎÎñµÄÀ࣬ÉèÖÃÈÎÎñÊý¾Ý²¢Ö´ÐÐ
**/
class CTask
{
protected:
 string m_strTaskName;  //ÈÎÎñµÄÃû³Æ
 void* m_ptrData;       //ÒªÖ´ÐеÄÈÎÎñµÄ¾ßÌåÊý¾Ý
public:
 CTask(){}
 CTask(string taskName)
 {
  this->m_strTaskName = taskName;
  m_ptrData = NULL;
 }
 virtual int Run()= 0;
 void SetData(void* data);    //ÉèÖÃÈÎÎñÊý¾Ý
};
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/**
Ï̳߳Ø
**/
class CThreadPool
{
private:
 vector<CTask*> m_vecTaskList;         //ÈÎÎñÁбí
 int m_iThreadNum;                            //Ï̳߳ØÖÐÆô¶¯µÄÏß³ÌÊý          
 static vector<pthread_t> m_vecIdleThread;   //µ±Ç°¿ÕÏеÄÏ̼߳¯ºÏ
 static vector<pthread_t> m_vecBusyThread;   //µ±Ç°ÕýÔÚÖ´ÐеÄÏ̼߳¯ºÏ
 static pthread_mutex_t m_pthreadMutex;    //Ïß³Ìͬ²½Ëø
 static pthread_cond_t m_pt


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