socket and gtk problem, help!

[huangjnb legend com cn]

Hi,all, I am writing a server program which listen and process client's request from other computer on LAN. I build server's GUI with gtk and wrote a piece of code to listen socket request as follow: 

.... 
BuildGUI(); 

do{ 
int newsockd=accept(sockd,(struct sockaddr *)&client_addr,&sin_size); 
if£¨newsockd!=-1£© 
  DoSomething(); 
else 
  continue; 
}while(1); 
.... 

there, gtk_main(); was put in BuildGUI. The program suspend when it goes to gtk_main(), so the do-while loop does not take effect .I know that gtk_main() raise a message loop and do-while is another loop . How can I make them work together? MultiThread program maybe a way to go and I tried but failed when i put some gtk-about code in DoSomething(). How should I do then? 

Help me ,thanks!