busy-wait-io.js

#pseudo code for simple non-blocking I/O with polling loop (busy-wait)
resources = [socketA, socketB, pipeA];

while(!resources.isEmpty()){
  for(i = 0; i< resources.length; i++){
    resource = resources[i];
    //attempt to read resource
    var data = resource.read();
    if(data === NO_DATA_AVAILABLE)
      continue
    if(DATA === RESOURCE_CLOSED)
      resources.remove(i);
    else
      consumdeData(data)
  }
  
}