def _start_worker(self, service_id, worker_id):
self._slowdown_respawn_if_needed()
pid = os.fork()
if pid != 0:
self._running_services[service_id][pid] = worker_id
return
# reset parent signals
signal.signal(signal.SIGINT, signal.SIG_DFL)
signal.signal(signal.SIGALRM, signal.SIG_DFL)
signal.signal(signal.SIGTERM, signal.SIG_DFL)
signal.signal(signal.SIGHUP, signal.SIG_DFL)
# Close write to ensure only parent has it open
os.close(self.writepipe)
os.close(self.signal_pipe_r)
os.close(self.signal_pipe_w)
_utils.spawn(self._watch_parent_process)
# Reseed random number generator
random.seed()
# Create and run a new service
with _utils.exit_on_exception():
self._current_process = _service.ServiceWorker(
self._services[service_id], worker_id,
self._graceful_shutdown_timeout)
self._run_hooks('new_worker', service_id, worker_id,
self._current_process.service)
self._current_process.wait_forever()
def _reload(self):
with _utils.exit_on_exception():
if self._signal_lock.acquire(False):
try:
self._on_reload_internal_hook(self)
self.reload()
finally:
self._signal_lock.release()
def _reload(self):
with _utils.exit_on_exception():
if self._signal_lock.acquire(False):
try:
self._on_reload_internal_hook(self)
self.reload()
finally:
self._signal_lock.release()
def _run(self):
with _utils.exit_on_exception():
self.run()
def _terminate(self):
with _utils.exit_on_exception(), self._signal_lock:
self.terminate()
sys.exit(0)
def _run(self):
with _utils.exit_on_exception():
self.run()
def _terminate(self):
with _utils.exit_on_exception(), self._signal_lock:
self.terminate()
sys.exit(0)