事件锁-Linux

来源：互联网发布：2017网络效应的答案编辑：程序博客网时间：2024/05/18 06:23

#ifndef WAIT_LOCK_DEF
#define WAIT_LOCK_DEF

/*******************************************************************************
* name       : WORDDATA
* description: 本类主要用以加锁和解锁
* 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 循环保证过滤假唤醒
int Wait()
{
  return pthread_cond_wait(&m_cond,&m_mutex);
};
//通知所有等待的线程
void Broadcast()
{
  pthread_cond_broadcast(&m_cond);
};

private:
pthread_mutex_t m_mutex;
pthread_cond_t m_cond;
};

#endif