fifo.c

   1
   2 // keyboard:
   3 static int keyb_fifo_put=-1;
   4 static int keyb_fifo_get=-1;
   5
   6 static void make_pipe(int* pr,int* pw){
   7   int temp[2];
   8   if(pipe(temp)!=0) printf("Cannot make PIPE!\n");
   9   *pr=temp[0];
  10   *pw=temp[1];
  11 }
  12
  13 void mplayer_put_key(int code){
  14            fd_set rfds;
  15            struct timeval tv;
  16
  17            /* Watch stdin (fd 0) to see when it has input. */
  18            FD_ZERO(&rfds);
  19            FD_SET(keyb_fifo_put, &rfds);
  20            tv.tv_sec = 0;
  21            tv.tv_usec = 0;
  22
  23            //retval = select(keyb_fifo_put+1, &rfds, NULL, NULL, &tv);
  24            if(select(keyb_fifo_put+1, NULL, &rfds, NULL, &tv)>0){
  25              write(keyb_fifo_put,&code,4);
  26 //             printf("*** key event %d sent ***\n",code);
  27            } else {
  28 //             printf("*** key event dropped (FIFO is full) ***\n");
  29            }
  30 }