Article:		Networking and the BSD Sockets API
Subject:		Address in use
Date:		2002-12-28 22:24:50
From:		jasontm
Response to: Address in use
you need to use setsockopt() to set the SO_REUSEADDR option. that way the socket won't stay bound to a port after your program has terminated. Unix holds onto them by default just in case your program launches in the near future. there's a delay that you remove by setting SO_REUSEADDR. :) use the mighty Google to find out more.. i'm too tired to launch into a tutorial. :P good luck..

Showing messages 1 through 1 of 1.

• Address in use
  2002-12-29 17:44:43  johnts [View]
  
  
  Got it to work, using code from Beej's Guide page mentioned in another post - there was the exact description of the problem too. I added:
  
  int yes=1;
  if (setsockopt(listenfd,SOL_SOCKET,SO_REUSEADDR,&yes,sizeof(int)) < 0) {
  perror( "setsockopt" );
  exit(1);
  }
  
  and I can start the server application right after stopping it without an error.