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#!/usr/bin/env ruby
# This script establishes a UNIX server socket.
# Expected result: Script should run and immediately exit.
# Actual result: Script fails with Errno::EADDRINUSE error.
# Environment: Windows 10 Pro, WSL, Ubuntu 18.04.2, ruby 2.6.5p114 (2019-10-01 revision 67812) [x86_64-linux-gnu]
# To reproduce: Create a tmp folder, copy this script there, and execute.
require 'socket'
path = File.expand_path('listen.sock')
backlog = 5
s =
if backlog
s.listen backlog
File.delete(path) if File.exists?(path)
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