$obj = FlatLock->new (%inp);

%inp hash can contain follow members:
  id     - Id of new flocked fibre.(Default: rand() 1 to 10000)
  path   - Full path to directory where temp files will be created!
           (Default: '/tmp')
  wpc    - Is time between two attempts when fibre is locked! 
           (default is rand() between 0.3 - 0.6 sec.)
  tpc    - Is total number of attempts in case of locked fibre.
           (default: 6)
  critical_time - Is maximum time in seconds before engine to 
                  force deleting of locked fibre! (default: 300)