def handle_read(self): fail = True try: signum = signalfd.read() if signum > 0: self.handle_signal(signum) fail = False finally: if fail: self.handle_close()
def handle_signal(service):
num = signalfd.read()
if num == signal.SIGINT:
log.debug("SIGINT received")
return True
elif num == signal.SIGTERM:
log.debug("SIGTERM received")
return True
elif num == signal.SIGHUP:
log.info("reconfiguring")
service.reconfigure()
elif num == signal.SIGUSR1:
log.debug("SIGUSR1 received")
if conf.getboolean("debug", "force_cache_rotation", False):
service.flush(force_rotate=True)
elif num != signal.SIGCHLD:
log.debug("signal %r ignored", num)
def handle_signal(service):
num = signalfd.read()
if num == signal.SIGINT:
log.debug("SIGINT received")
return True
elif num == signal.SIGTERM:
log.debug("SIGTERM received")
return True
elif num == signal.SIGHUP:
log.info("reconfiguring")
service.reconfigure()
elif num == signal.SIGUSR1:
log.debug("SIGUSR1 received")
if conf.getboolean("debug", "force_cache_rotation", False):
service.flush(force_rotate=True)
elif num != signal.SIGCHLD:
log.debug("signal %r ignored", num)
def sleep(self):
""" Try to sleep until the configured timeout.
@rtype Control.Condition
"""
start = time.time()
while True:
elapsed = time.time() - start
timeout = self.interval - elapsed
if timeout < 0:
break
try:
rlist, wlist, xlist = select.select([self.fd], [], [], timeout)
except select.error as e:
if e.args[0] == errno.EINTR:
continue
else:
raise
if not rlist:
return self.Condition.Timeout
num = signalfd.read()
if num is None:
log.warning("EOF from signal fd")
return self.Condition.Terminate
if num == signal.SIGTERM:
log.debug("SIGTERM received")
return self.Condition.Terminate
elif num == signal.SIGINT:
log.debug("SIGINT received")
return self.Condition.Terminate
elif num == signal.SIGHUP:
log.debug("SIGHUP received")
return self.Condition.Hangup
elif num == signal.SIGUSR1:
log.debug("SIGUSR1 received")
return self.Condition.User1
elif num != signal.SIGCHLD:
log.debug("signal %d ignored", num)
