+struct callback {
+ void (*handle)(void *p);
+ void *obj;
+};
+
+#define MAX_CALLBACK 20
+
+struct callback callback_table[MAX_CALLBACK];
+
+void tcl_mainloop (Tcl_Interp *interp)
+{
+ int i;
+ int res;
+ int count;
+ char input_buf[256];
+ Tcl_DString command;
+
+ for (i=0; i<MAX_CALLBACK; i++)
+ callback_table[i].handle = NULL;
+ Tcl_DStringInit (&command);
+ printf ("[TCL]"); fflush (stdout);
+ while (1)
+ {
+ FD_ZERO (&fdset_tcl);
+ FD_SET (0, &fdset_tcl);
+ for (i=3; i<MAX_CALLBACK; i++)
+ if (callback_table[i].handle)
+ FD_SET (i, &fdset_tcl);
+ if ((res = select(MAX_CALLBACK+1, &fdset_tcl, 0, 0, 0)) < 0)
+ {
+ perror("select");
+ exit(1);
+ }
+ if (!res)
+ continue;
+ for (i=3; i<MAX_CALLBACK; i++)
+ if (FD_ISSET (i, &fdset_tcl))
+ {
+ assert (callback_table[i].handle);
+ (*callback_table[i].handle) (callback_table[i].obj);
+ }
+ if (FD_ISSET(0, &fdset_tcl))
+ {
+ count = read (0, input_buf, 256);
+ if (count <= 0)
+ exit (0);
+ Tcl_DStringAppend (&command, input_buf, count);
+ if (Tcl_CommandComplete (Tcl_DStringValue (&command)))
+ {
+ int code = Tcl_Eval (interp, Tcl_DStringValue (&command));
+ Tcl_DStringFree (&command);
+ if (code)
+ printf ("[ERR:%s]\n", interp->result);
+ else
+ printf ("[RES:%s]\n", interp->result);
+ printf ("[TCL]"); fflush (stdout);
+ }
+ }
+ }
+}
+
+void ir_select_add (int fd, void *obj)
+{
+ callback_table[fd].obj = obj;
+ callback_table[fd].handle = ir_select_proc;
+}
+
+void ir_select_remove (int fd, void *obj)
+{
+ callback_table[fd].handle = NULL;
+}