altos_getchar(struct altos_file *file, int timeout)
{
int ret;
+
+ file->busy = 1;
while (file->in_read == file->in_used) {
ret = altos_fill(file, timeout);
if (ret)
- return ret;
+ goto done;
}
- return file->in_data[file->in_read++];
+ ret = file->in_data[file->in_read++];
+done:
+ file->busy = 0;
+ return ret;
}
PUBLIC int
PUBLIC void
altos_free(struct altos_file *file)
{
+ int i;
altos_close(file);
+ for (i = 0; i < 10 && file->busy; i++)
+ altos_pause_one_second();
free(file);
}