C++环形缓冲区

最新推荐文章于 2025-04-08 20:57:18 发布

weiyu00

最新推荐文章于 2025-04-08 20:57:18 发布

阅读量1.1k

点赞数

文章标签：环形缓冲区

本文链接：https://blog.youkuaiyun.com/weiyu00/article/details/84750560

版权

本文详细介绍了如何在C++中实现环形缓冲区，包括其数据结构设计、读写操作及其在并发环境下的同步策略。通过实例代码解析，帮助读者深入理解环形缓冲区的工作原理和应用场景。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

https://blog.youkuaiyun.com/weiyu00/article/details/84750560

//RingBuffer.h
#pragma once

template <class T> 
class CRingBuffer
{
public:
	CRingBuffer()
	{
		m_pBuffer = NULL;
		m_nSize = 0;
		m_nUnreadSize = 0;
		m_nWritePos = 0;
		m_nReadPos = 0;
	}

	~CRingBuffer()
	{
		m_cs.Lock();
		if (m_pBuffer != NULL)
		{
			delete [] m_pBuffer;
			m_pBuffer = NULL;
			m_nSize = 0;
			m_nUnreadSize = 0;
			m_nWritePos = 0;
			m_nReadPos = 0;
		}
		m_cs.Unlock();
	}

	//清空环形缓冲区
	void Clear()
	{
		m_cs.Lock();
		m_nUnreadSize = 0;
		m_nWritePos = 0;
		m_nReadPos = 0;
		m_cs.Unlock();
	}

	//设置环形缓冲区
	//nSize：缓冲区大小
	void SetBuffer(UINT nSize)
	{
		m_cs.Lock();
		if (m_pBuffer != NULL)
		{
			delete [] m_pBuffer;
			m_pBuffer = NULL;
			m_nSize = 0;
			m_nUnreadSize = 0;
			m_nWritePos = 0;
			m_nReadPos = 0;
		}

		m_pBuffer