def forever(self, interval_seconds = 1, cb_interval_func = None, func_data = None):
counter = 0
interval = interval_seconds * 10
while not self.is_stop():
time.sleep(0.1)
counter += 1
if counter == interval:
counter = 0
if cb_interval_func:
try:
cb_interval_func(func_data)
except:
util.except_print("cb_interval_func")
pass
pass
# block wait child processes exit
for pname in self.workers.keys():
self.workers[pname].join()
util.warn("{}: worker stopped.".format(pname))
with self.glock:
util.remove_file_nothrow(self.pidfile)
util.remove_file_nothrow(self.stopfile)
pass
def notify_stop(self, exitCode = 0):
try:
self.lock()
if not util.file_exists(self.stopfile):
os.mknod(self.stopfile)
else:
util.warn("stopfile already exists: " + self.stopfile)
except:
util.except_print("notify_stop")
finally:
try:
self.unlock()
except:
util.except_print("unlock")
pass
if not exitCode is None:
sys.exit(exitCode)
pass