def close_on_exec(self):
for log in loggers():
for handler in log.handlers:
if isinstance(handler, logging.FileHandler):
handler.acquire()
try:
if handler.stream:
util.close_on_exec(handler.stream.fileno())
finally:
handler.release()
def init_signals(self):
"""\
Initialize master signal handling. Most of the signals
are queued. Child signals only wake up the master.
"""
# close old PIPE
for p in self.PIPE:
os.close(p)
# initialize the pipe
self.PIPE = pair = os.pipe()
for p in pair:
util.set_non_blocking(p)
util.close_on_exec(p)
self.log.close_on_exec()
# initialize all signals
for s in self.SIGNALS:
signal.signal(s, self.signal)
signal.signal(signal.SIGCHLD, self.handle_chld)
def init_process(self):
"""\
If you override this method in a subclass, the last statement
in the function should be to call this method with
super(MyWorkerClass, self).init_process() so that the ``run()``
loop is initiated.
"""
# set environment' variables
if self.cfg.env:
for k, v in self.cfg.env.items():
os.environ[k] = v
util.set_owner_process(self.cfg.uid,
self.cfg.gid,
initgroups=self.cfg.initgroups)
# Reseed the random number generator
util.seed()
# For waking ourselves up
self.PIPE = os.pipe()
for p in self.PIPE:
util.set_non_blocking(p)
util.close_on_exec(p)
# Prevent fd inheritance
for s in self.sockets:
util.close_on_exec(s)
util.close_on_exec(self.tmp.fileno())
self.wait_fds = self.sockets + [self.PIPE[0]]
self.log.close_on_exec()
self.init_signals()
# start the reloader
if self.cfg.reload:
def changed(fname):
self.log.info("Worker reloading: %s modified", fname)
self.alive = False
self.cfg.worker_int(self)
time.sleep(0.1)
sys.exit(0)
reloader_cls = reloader_engines[self.cfg.reload_engine]
self.reloader = reloader_cls(
extra_files=self.cfg.reload_extra_files, callback=changed)
self.reloader.start()
self.load_wsgi()
self.cfg.post_worker_init(self)
# Enter main run loop
self.booted = True
self.run()