k.c

   1 main()
   2 {
   3
   4         fd_set fds;
   5
   6
   7         while (!read_all_data) {
   8                 tval.tv_sec = 1;
   9                 tval.tv_usec = 0;
  10                 FD_ZERO(&fds);
  11                 FS_SET(&fds, s);
  12                 ret = select(s+1, &fds, NULL, NULL, &tval);
  13                 if (ret > 0) {
  14                         if (FD_ISSET(&fds, s)) {
  15                                 read(s, lksnfglkm);
  16                         }
  17                 }
  18                 do_background_processing();
  19         }
  20
  21 }