Fossil

      strncpy(uxaddr.sun_path, g.zSockName, sizeof(uxaddr.sun_path)-1);
      listener = socket(AF_UNIX, SOCK_STREAM, 0);
      if( listener<0 ){
        fossil_fatal("unable to create a unix socket named %s",
                     g.zSockName);
      }
      /* Set the access permission for the new socket.  Default to 0660.
      ** But use an alternative specified by --socket-mode if available.
      ** Do this before bind() to avoid a race condition. */
      if( g.zSockMode ){
        file_set_mode(g.zSockName, listener, g.zSockMode, 0);
      }else{
        file_set_mode(g.zSockName, listener, "0660", 1);
      }




    }else{
      /* Initialize a TCP/IP socket on port iPort */
      memset(&inaddr, 0, sizeof(inaddr));
      inaddr.sin_family = AF_INET;
      if( zIpAddr ){
        inaddr.sin_addr.s_addr = inet_addr(zIpAddr);
        if( inaddr.sin_addr.s_addr == INADDR_NONE ){

    }

    /* if we can't terminate nicely, at least allow the socket to be reused */
    setsockopt(listener,SOL_SOCKET,SO_REUSEADDR,&opt,sizeof(opt));
  
    if( flags & HTTP_SERVER_UNIXSOCKET ){
      rc = bind(listener, (struct sockaddr*)&uxaddr, sizeof(uxaddr));
      /* Set the owner of the socket if requested by --socket-owner.  This
      ** must wait until after bind(), after the filesystem object has been
      ** created.  See https://lkml.org/lkml/2004/11/1/84 and
      ** https://fossil-scm.org/forum/forumpost/7517680ef9684c57 */
      if( g.zSockOwner ){
        file_set_owner(g.zSockName, listener, g.zSockOwner);
      }
    }else{
      rc = bind(listener, (struct sockaddr*)&inaddr, sizeof(inaddr));
    }
    if( rc<0 ){
      close(listener);
      iPort++;
      continue;

      fossil_fatal("unable to open listening socket on any"
                   " port in the range %d..%d", mnPort, mxPort);
    }
  }
  if( iPort>mxPort ) return 1;
  listen(listener,10);
  if( flags & HTTP_SERVER_UNIXSOCKET ){
    fossil_print("Listening for %s requests on unix socket %s\n",
       (flags & HTTP_SERVER_SCGI)!=0 ? "SCGI" :
          g.httpUseSSL?"TLS-encrypted HTTPS":"HTTP",  g.zSockName);
  }else{
    fossil_print("Listening for %s requests on TCP port %d\n",
       (flags & HTTP_SERVER_SCGI)!=0 ? "SCGI" :
          g.httpUseSSL?"TLS-encrypted HTTPS":"HTTP",  iPort);
  }
  fflush(stdout);
  if( zBrowser && (flags & HTTP_SERVER_UNIXSOCKET)==0 ){

  if( zGrp ){
    grp = getgrnam(zGrp);
    if( grp==0 ){
      fossil_fatal("no such group: \"%s\"", zGrp);
    }
    gid = grp->gr_gid;
  }

  if( chown(zFN, uid, gid) ){
    fossil_fatal("cannot change ownership of %s to %s",zFN, zOwner);
  }
  if( zOwner!=zUsr ){
    fossil_free((char*)zUsr);
  }
}