def spawn_watchdog():
"""Spawn a new process for watchdog_loop if WATCHDOGLOCK is not locked"""
if WATCHDOGLOCK.is_locked():
raise lockfile.AlreadyLocked('Watchdog already runing')
watchdog_proc = mp.Process(target=watchdog_loop, args=(TIMEOUT, ))
watchdog_proc.start()
LOGGER.info(f'Started watchdog process on {watchdog_proc.pid}')
def acquire(self):
logging.debug("Locking %s", self.path)
try:
fcntl.flock(self.lock_file.fileno(), fcntl.LOCK_EX | fcntl.LOCK_NB)
self._has_lock = True
except IOError, e:
raise lockfile.AlreadyLocked()
def spawn_daemon():
"""Spawn a new process for main_loop if DAEMONLOCK is not locked"""
if DAEMONLOCK.is_locked():
raise lockfile.AlreadyLocked('Daemon already running')
main_proc = mp.Process(target=main_loop)
main_proc.start()
LOGGER.info(f'Started main process on {main_proc.pid}')
def mock_acquire(timeout=None):
if scenario['locking_pid'] is not None:
raise lockfile.AlreadyLocked()
scenario['locking_pid'] = scenario['pid']