Module: Rb2db

Defined in:
lib/rb2db.rb,
lib/rb2db/version.rb

Constant Summary collapse

VERSION = 
"0.2.1"

Class Method Summary collapse

Class Method Details

.pid_check ⇒ Object 



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# File 'lib/rb2db.rb', line 4

def self.pid_check

  # PID file to use.
  pid_file = (ENV['XDG_RUNTIME_DIR'] || '/tmp') + '/.rb2db.pid'

  # If the file exists, check if the pid inside is still running
  if (pid = File.file?(pid_file) && File.read(pid_file))
    if pid.to_i > 0 && `ps -p #{pid}`.include?(pid)
      abort "[!] rb2db already running on pid #{pid}"
    end
  end

  # Write new PID file.
  File.write(pid_file, $$)
end