koki-h

function Semaphore(max) {
  var counter = 0;
  var waiting = [];
  
  var take = function() {
    if (waiting.length > 0 && counter < max){
      counter++;
      let promise = waiting.shift();
      promise.resolve();
    }

koki-h

function Semaphore(max) {
// 排他制御のためのセマフォ
// https://gist.github.com/Gericop/e33be1f201cf242197d9c4d0a1fa7335

  var counter = 0;
  var waiting = [];
  
  var take = function() {
    if (waiting.length > 0 && counter < max){
      counter++;

koki-h

#!/usr/bin/ruby

require 'rubygems'
require 'sinatra'
require 'haml'
require 'pathname'

get '*' do
        base = Pathname.new(File.dirname(__FILE__)).parent
        path = @params[:splat].first.gsub(/^\//, '')