Linux線程安全 鎖和廣播鎖，

 

 

#ifndef LOCK_DEF
#define LOCK_DEF

/*******************************************************************************
* name       : WORDDATA
* description: 本類主要用以加鎖和解鎖
* remark     : Created by PanJing 2011-8-8 16:23:02 for #
*******************************************************************************/
class   CLock
{
public:
 CLock()
 {
  pthread_mutex_init(&m_mutex,NULL);
 }
 ~CLock()
 {
  pthread_mutex_destroy(&m_mutex);
 }
public:
 void Lock()
 {
  pthread_mutex_lock(&m_mutex);
 }
 void UnLock()
 {
  pthread_mutex_unlock(&m_mutex);
 }
private:
 pthread_mutex_t   m_mutex;
};

#endif

#ifndef WAIT_LOCK_DEF
#define WAIT_LOCK_DEF

/*******************************************************************************
* name       : WORDDATA
* description: 本類主要用以加鎖和解鎖
* remark     : Created by PanJing 2011-8-8 16:23:02 for #
*******************************************************************************/
class   CWaitLock
{
public:
 CWaitLock()
 {
  pthread_mutex_init(&m_mutex,NULL);
  pthread_cond_init(&m_cond,NULL);
 } ;
 ~CWaitLock()
 {
  pthread_mutex_destroy(&m_mutex);
 };
public:
 void Lock()
 {
  pthread_mutex_lock(&m_mutex);
 };
 void UnLock()
 {
  pthread_mutex_unlock(&m_mutex);
 };
 //等待 注意使用while 循環保證過濾假喚醒
 void Wait()
 {
  pthread_cond_wait(&m_cond,&m_mutex);
 };
 //通知所有等待的線程
 void Broadcast()
 {
  pthread_cond_broadcast(&m_cond);
 };

private:
 pthread_mutex_t   m_mutex;
 pthread_cond_t m_cond;
};

#endif