boost.asio的异步回调函数是否在同一线程中执行

最新推荐文章于 2023-11-02 11:13:39 发布

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最新推荐文章于 2023-11-02 11:13:39 发布 · 911 阅读

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#boost #c++11 #多线程

boost.asio中有async_read_some，async_accept，async_write_some，async_connect这几个函数，那么他们的回调函数都在同一线程吗？如果io_context在单线程运行，那么是的，测试如下。

class LIBTEST_BOOST_DLL TcpServer
{
   
   
public:
	typedef  boost::asio::ip::tcp::socket tcp_socket_t;
	typedef  boost::asio::ip::tcp::acceptor tcp_acceptor_t;
	typedef  boost::asio::ip::tcp::endpoint tcp_endpoint_t;
	typedef  boost::asio::io_context io_context_t;
	TcpServer(io_context_t &io, const tcp_endpoint_t& endpoint);
	void Accept();
	void ReadHandler(tcp_socket_t *sock);
private:
	tcp_acceptor_t acceptor_;
	io_context_t *io_;
	std::vector<char> buf_;
	uint64_t cnt_ = 0;
};
class LIBTEST_BOOST_DLL TcpClient
{
   
   
public:
	typedef  boost::asio::ip::tcp::socket tcp_socket_t;
	typedef  boost::asio::ip::tcp::endpoint tcp_endpoint_t;
	typedef  boost::asio::io_context io_context_t;
	TcpClient(io_context_t &io);
	void Connect(const tcp_endpoint_t& endpoint);
	void Write();
private:
	tcp_socket_t sock_;
	io_context_t  *io_;
	uint64_t cnt_ = 0;
};

TcpServer::TcpServer(io_context_t &io, const tcp_endpoint_t& endpoint)
	:acce