def init
@retries = DEFAULT_RETRIES
@max_age = DEFAULT_MAX_AGE
@sleep_inc = DEFAULT_SLEEP_INC
@min_sleep = DEFAULT_MIN_SLEEP
@max_sleep = DEFAULT_MAX_SLEEP
@suspend = DEFAULT_SUSPEND
@timeout = DEFAULT_TIMEOUT
@refresh = DEFAULT_REFRESH
@dont_clean = DEFAULT_DONT_CLEAN
@poll_retries = DEFAULT_POLL_RETRIES
@poll_max_sleep = DEFAULT_POLL_MAX_SLEEP
@dont_sweep = DEFAULT_DONT_SWEEP
@dont_use_lock_id = DEFAULT_DONT_USE_LOCK_ID
@debug = DEFAULT_DEBUG
STDOUT.sync = true if @debug
STDERR.sync = true if @debug
end