asio 同步 RuntimeError

c++:

      static tcp::socket *g_socket;
      int send_msg_async(void* conn, const char* data, int len) {
      	tcp::socket * client = (tcp::socket*)g_socket;
     	printf("start send %s\n", data);
      	asio::write(*client, asio::buffer("data", 4));
     	/*std::size_t request_length = 0;
       request_length = std::strlen(data);
       asio::write(client->socket_, asio::buffer(data, request_length));
       printf("send end %s\n", data);*/
     	return 0;
      }
      void * start_conn_async(py::function call_back) {
     	std::string host = "127.0.0.1";
     	std::string port = "5200";
     	enum { BUF_SIZE = 1024 };
      	asio::io_context io_context;
     	// NOTE:
     	// Don't use output parameter |error_code| in this example.
     	// Using exception handling could largely simplify the source code.
     	try {
     		tcp::resolver resolver(io_context);
     		// Return type: tcp::resolver::results_type
     		auto endpoints = resolver.resolve(
  
 

文章来源: blog.csdn.net，作者：网奇，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/jacke121/article/details/89458099