def spawn_worker(self):
self.worker_age += 1
worker = self.worker_class(self.worker_age, self.pid, self.LISTENER,
self.app, self.timeout/2.0,
self.cfg, self.log)
self.cfg.pre_fork(self, worker)
pid = os.fork()
if pid != 0:
self.WORKERS[pid] = worker
return pid
# Process Child
worker_pid = os.getpid()
try:
util._setproctitle("worker [%s]" % self.proc_name)
self.log.info("Booting worker with pid: %s", worker_pid)
self.cfg.post_fork(self, worker)
worker.init_process()
sys.exit(0)
except SystemExit:
raise
except:
self.log.exception("Exception in worker process:\n%s",
traceback.format_exc())
if not worker.booted:
sys.exit(self.WORKER_BOOT_ERROR)
sys.exit(-1)
finally:
self.log.info("Worker exiting (pid: %s)", worker_pid)
try:
worker.tmp.close()
self.cfg.worker_exit(self, worker)
except:
pass
def spawn_worker(self):
self.worker_age += 1
worker = self.worker_class(self.worker_age, self.pid, self.LISTENERS,
self.app, self.timeout / 2.0,
self.cfg, self.log)
self.cfg.pre_fork(self, worker)
pid = os.fork()
if pid != 0:
self.WORKERS[pid] = worker
return pid
# Process Child
worker_pid = os.getpid()
try:
util._setproctitle("worker [%s]" % self.proc_name)
self.log.info("Booting worker with pid: %s", worker_pid)
self.cfg.post_fork(self, worker)
worker.init_process()
sys.exit(0)
except SystemExit:
raise
except:
self.log.exception("Exception in worker process:\n%s",
traceback.format_exc())
if not worker.booted:
sys.exit(self.WORKER_BOOT_ERROR)
sys.exit(-1)
finally:
self.log.info("Worker exiting (pid: %s)", worker_pid)
try:
worker.tmp.close()
self.cfg.worker_exit(self, worker)
except:
pass
def run_gunicorn_worker():
if not einhorn.is_worker():
print >> sys.stderr, "This process does not appear to be running under Einhorn."
sys.exit(1)
app = PasterApplication()
util._setproctitle("worker [%s]" % app.cfg.proc_name)
worker = EinhornSyncWorker(app.cfg, app)
worker.init_process()
def run_gunicorn_worker():
if not einhorn.is_worker():
print >> sys.stderr, "This process does not appear to be running under Einhorn."
sys.exit(1)
app = PasterApplication()
util._setproctitle("worker [%s]" % app.cfg.proc_name)
worker = EinhornSyncWorker(app.cfg, app)
worker.init_process()
def spawn_worker(self):
self.worker_age += 1
worker = self.worker_class(self.worker_age, self.pid, self.LISTENERS,
self.app, self.timeout / 2.0, self.cfg,
self.log)
self.cfg.pre_fork(self, worker)
if self.use_cuda:
iter_cnt = 0
while iter_cnt < len(self.gpu_ids) and self.gpu_count[
self.gpu_id] >= self.gpu_limit:
self.gpu_id = next(self.gpu_cycle)
os.environ["CUDA_VISIBLE_DEVICES"] = self.gpu_id
self.gpu_count[self.gpu_id] += 1
worker.gpu_id = self.gpu_id
pid = os.fork()
if pid != 0:
worker.pid = pid
self.WORKERS[pid] = worker
return pid
# Do not inherit the temporary files of other workers
for sibling in self.WORKERS.values():
sibling.tmp.close()
# Process Child
worker.pid = os.getpid()
try:
util._setproctitle("worker [%s]" % self.proc_name)
self.log.info("Booting worker with pid: %s", worker.pid)
self.cfg.post_fork(self, worker)
worker.init_process()
sys.exit(0)
except SystemExit:
raise
except AppImportError as e:
self.log.debug("Exception while loading the application",
exc_info=True)
print("%s" % e, file=sys.stderr)
sys.stderr.flush()
sys.exit(self.APP_LOAD_ERROR)
except Exception:
self.log.exception("Exception in worker process")
if not worker.booted:
sys.exit(self.WORKER_BOOT_ERROR)
sys.exit(-1)
finally:
self.log.info("Worker exiting (pid: %s)", worker.pid)
try:
worker.tmp.close()
self.cfg.worker_exit(self, worker)
except Exception:
self.log.warning("Exception during worker exit:\n%s",
traceback.format_exc())
def reload(self):
old_address = self.cfg.address
# reset old environment
for k in self.cfg.env:
if k in self.cfg.env_orig:
# reset the key to the value it had before
# we launched gunicorn
os.environ[k] = self.cfg.env_orig[k]
else:
# delete the value set by gunicorn
try:
del os.environ[k]
except KeyError:
pass
# reload conf
self.app.reload()
self.setup(self.app)
# reopen log files
self.log.reopen_files()
# do we need to change listener ?
if old_address != self.cfg.address:
# close all listeners
for l in self.LISTENERS:
l.close()
# init new listeners
self.LISTENERS = sock.create_sockets(self.cfg, self.log)
listeners_str = ",".join([str(l) for l in self.LISTENERS])
self.log.info("Listening at: %s", listeners_str)
# do some actions on reload
self.cfg.on_reload(self)
# unlink pidfile
if self.pidfile is not None:
self.pidfile.unlink()
# create new pidfile
if self.cfg.pidfile is not None:
self.pidfile = Pidfile(self.cfg.pidfile)
self.pidfile.create(self.pid)
# set new proc_name
util._setproctitle("master [%s]" % self.proc_name)
# spawn new workers
for _ in range(self.cfg.workers):
self.spawn_worker()
# manage workers
self.manage_workers()
def reload(self):
old_address = self.cfg.address
# reset old environment
for k in self.cfg.env:
if k in self.cfg.env_orig:
# reset the key to the value it had before
# we launched gunicorn
os.environ[k] = self.cfg.env_orig[k]
else:
# delete the value set by gunicorn
try:
del os.environ[k]
except KeyError:
pass
# reload conf
self.app.reload()
self.setup(self.app)
# reopen log files
self.log.reopen_files()
# do we need to change listener ?
if old_address != self.cfg.address:
# close all listeners
for l in self.LISTENERS:
l.close()
# init new listeners
self.LISTENERS = sock.create_sockets(self.cfg, self.log)
listeners_str = ",".join([str(l) for l in self.LISTENERS])
self.log.info("Listening at: %s", listeners_str)
# do some actions on reload
self.cfg.on_reload(self)
# unlink pidfile
if self.pidfile is not None:
self.pidfile.unlink()
# create new pidfile
if self.cfg.pidfile is not None:
self.pidfile = Pidfile(self.cfg.pidfile)
self.pidfile.create(self.pid)
# set new proc_name
util._setproctitle("master [%s]" % self.proc_name)
# spawn new workers
for _ in range(self.cfg.workers):
self.spawn_worker()
# manage workers
self.manage_workers()
def run(self):
"Main master loop."
self.start()
util._setproctitle("master [%s]" % self.proc_name)
"Starting new customer process - dataset checker "
self.checker_alive = False
self.checker_pipe = os.pipe()
for p in self.checker_pipe:
util.set_non_blocking(p)
util.close_on_exec(p)
self.manage_checker()
try:
self.manage_workers()
while True:
self.maybe_promote_master()
sig = self.SIG_QUEUE.pop(0) if self.SIG_QUEUE else None
if sig is None:
self.sleep()
self.murder_workers()
self.manage_workers()
self.manage_checker(update_workers_pids=True)
continue
if sig not in self.SIG_NAMES:
self.log.info("Ignoring unknown signal: %s", sig)
continue
signame = self.SIG_NAMES.get(sig)
handler = getattr(self, "handle_%s" % signame, None)
if not handler:
self.log.error("Unhandled signal: %s", signame)
continue
self.log.info("Handling signal: %s", signame)
handler()
self.wakeup()
except StopIteration:
self.halt()
except KeyboardInterrupt:
self.halt()
except HaltServer as inst:
self.halt(reason=inst.reason, exit_status=inst.exit_status)
except SystemExit:
raise
except Exception:
self.log.info("Unhandled exception in main loop", exc_info=True)
self.stop(False)
if self.pidfile is not None:
self.pidfile.unlink()
sys.exit(-1)
def run(self):
"Main master loop."
self.start()
util._setproctitle("master [%s]" % self.proc_name)
try:
self.manage_workers()
#master 的事件循环 接收不同指令 或者 检查worker的健康状态
while True:
# 没有信号的时候 循环一直进行 不停的进行 None 分支的代码
# 判断信号队列有么有值就可以响应信号了，为什么还要用管道来唤醒进程呢？
# 猜测应该是减少while的循环频率，但是为了即时响应信号，用select + pipe的读写来即时获取到信号的到来
#self.log.info("master main loop, sigs: %s"%self.SIG_QUEUE)
sig = self.SIG_QUEUE.pop(0) if len(self.SIG_QUEUE) else None
if sig is None:
#self.log.info("master sleep before")
#信号读写在这里发生
self.sleep()
#self.log.info("master sleep after")
self.murder_workers()
self.manage_workers()
continue
if sig not in self.SIG_NAMES:
self.log.info("Ignoring unknown signal: %s", sig)
continue
signame = self.SIG_NAMES.get(sig)
handler = getattr(self, "handle_%s" % signame, None)
if not handler:
self.log.error("Unhandled signal: %s", signame)
continue
self.log.info("Handling signal: %s", signame)
#如果是一个可处理的信号
handler()
self.wakeup()
except StopIteration:
self.halt()
except KeyboardInterrupt:
self.halt()
except HaltServer as inst:
self.halt(reason=inst.reason, exit_status=inst.exit_status)
except SystemExit:
raise
except Exception:
self.log.info("Unhandled exception in main loop",
exc_info=True)
self.stop(False)
if self.pidfile is not None:
self.pidfile.unlink()
sys.exit(-1)
def spawn_worker(self):
self.worker_age += 1
worker_id = -1
for i in range(self.num_workers):
if i not in self.WORKER_IDS.values():
worker_id = i
break
worker = self.worker_class(self.worker_age, self.pid, self.LISTENERS,
self.app, self.timeout / 2.0, self.cfg,
self.log)
self.cfg.pre_fork(self, worker)
pid = os.fork()
if pid != 0:
self.WORKERS[pid] = worker
self.WORKER_IDS[pid] = worker_id
return pid
# Process Child
worker_pid = os.getpid()
try:
util._setproctitle("worker [%s]" % self.proc_name)
self.log.info("Booting worker with pid: %s", worker_pid)
self.cfg.post_fork(self, worker)
if self.num_workers > 1 and worker_id != -1:
os.environ['GUNICORN_WORKER_INSTANCE'] = str(worker_id)
worker.init_process()
sys.exit(0)
except SystemExit:
raise
except AppImportError as e:
self.log.debug("Exception while loading the application: \n%s",
traceback.format_exc())
print("%s" % e, file=sys.stderr)
sys.stderr.flush()
sys.exit(self.APP_LOAD_ERROR)
except:
self.log.exception("Exception in worker process:\n%s",
traceback.format_exc())
if not worker.booted:
sys.exit(self.WORKER_BOOT_ERROR)
sys.exit(-1)
finally:
self.log.info("Worker exiting (pid: %s)", worker_pid)
try:
worker.tmp.close()
self.cfg.worker_exit(self, worker)
except:
pass
def maybe_promote_master(self):
if self.master_pid == 0:
return
if self.master_pid != os.getppid():
self.log.info("Master has been promoted.")
# reset master infos
self.master_name = "Master"
self.master_pid = 0
self.proc_name = self.cfg.proc_name
del os.environ['GUNICORN_PID']
# rename the pidfile
if self.pidfile is not None:
self.pidfile.rename(self.cfg.pidfile)
# reset proctitle
util._setproctitle("master [%s]" % self.proc_name)
def maybe_promote_master(self):
if self.master_pid == 0:
return
if self.master_pid != os.getppid():
self.log.info("Master has been promoted.")
# reset master infos
self.master_name = "Master"
self.master_pid = 0
self.proc_name = self.cfg.proc_name
del os.environ['GUNICORN_PID']
# rename the pidfile
if self.pidfile is not None:
self.pidfile.rename(self.cfg.pidfile)
# reset proctitle
util._setproctitle("master [%s]" % self.proc_name)
def run(self):
"Main master loop."
self.start()
util._setproctitle("master [%s]" % self.proc_name)
try:
self.manage_workers()
while True:
self.maybe_promote_master()
sig = self.SIG_QUEUE.pop(0) if len(self.SIG_QUEUE) else None
if sig is None:
self.sleep()
self.murder_workers()
self.manage_workers()
continue
if sig not in self.SIG_NAMES:
self.log.info("Ignoring unknown signal: %s", sig)
continue
signame = self.SIG_NAMES.get(sig)
handler = getattr(self, "handle_%s" % signame, None)
if not handler:
self.log.error("Unhandled signal: %s", signame)
continue
self.log.info("Handling signal: %s", signame)
handler()
self.wakeup()
except StopIteration:
self.halt()
except KeyboardInterrupt:
self.halt()
except HaltServer as inst:
self.halt(reason=inst.reason, exit_status=inst.exit_status)
except SystemExit:
raise
except Exception:
self.log.info("Unhandled exception in main loop",
exc_info=True)
self.stop(False)
if self.pidfile is not None:
self.pidfile.unlink()
sys.exit(-1)
def spawn_worker(self):
self.worker_age += 1
worker = self.worker_class(self.worker_age, self.pid, self.LISTENERS,
self.app, self.timeout / 2.0,
self.cfg, self.log)
self.cfg.pre_fork(self, worker)
pid = os.fork()
if pid != 0:
worker.pid = pid
self.WORKERS[pid] = worker
return pid
# Do not inherit the temporary files of other workers
for sibling in self.WORKERS.values():
sibling.tmp.close()
# Process Child
worker.pid = os.getpid()
try:
util._setproctitle("worker [%s]" % self.proc_name)
self.log.info("Booting worker with pid: %s", worker.pid)
self.cfg.post_fork(self, worker)
worker.init_process()
sys.exit(0)
except SystemExit:
raise
except AppImportError as e:
self.log.debug("Exception while loading the application",
exc_info=True)
print("%s" % e, file=sys.stderr)
sys.stderr.flush()
sys.exit(self.APP_LOAD_ERROR)
except:
self.log.exception("Exception in worker process")
if not worker.booted:
sys.exit(self.WORKER_BOOT_ERROR)
sys.exit(-1)
finally:
self.log.info("Worker exiting (pid: %s)", worker.pid)
try:
worker.tmp.close()
self.cfg.worker_exit(self, worker)
except:
self.log.warning("Exception during worker exit:\n%s",
traceback.format_exc())
def run(self):
"Main master loop."
self.start()
util._setproctitle("master [%s]" % self.proc_name)
try:
self.manage_workers()
while True:
self.maybe_promote_master()
sig = self.SIG_QUEUE.pop(0) if len(self.SIG_QUEUE) else None
if sig is None:
self.sleep()
self.murder_workers()
self.manage_workers()
continue
if sig not in self.SIG_NAMES:
self.log.info("Ignoring unknown signal: %s", sig)
continue
signame = self.SIG_NAMES.get(sig)
handler = getattr(self, "handle_%s" % signame, None)
if not handler:
self.log.error("Unhandled signal: %s", signame)
continue
self.log.info("Handling signal: %s", signame)
handler()
self.wakeup()
except StopIteration:
self.halt()
except KeyboardInterrupt:
self.halt()
except HaltServer as inst:
self.halt(reason=inst.reason, exit_status=inst.exit_status)
except SystemExit:
raise
except Exception:
self.log.info("Unhandled exception in main loop",
exc_info=True)
self.stop(False)
if self.pidfile is not None:
self.pidfile.unlink()
sys.exit(-1)
def run(self):
"Main master loop."
self.start()
util._setproctitle("master [%s]" % self.proc_name)
self.manage_workers()
while True:
try:
self.reap_workers()
sig = self.SIG_QUEUE.pop(0) if len(self.SIG_QUEUE) else None
if sig is None:
self.sleep()
self.murder_workers()
self.manage_workers()
continue
if sig not in self.SIG_NAMES:
self.log.info("Ignoring unknown signal: %s" % sig)
continue
signame = self.SIG_NAMES.get(sig)
handler = getattr(self, "handle_%s" % signame, None)
if not handler:
self.log.error("Unhandled signal: %s" % signame)
continue
self.log.info("Handling signal: %s" % signame)
handler()
self.wakeup()
except StopIteration:
break
except KeyboardInterrupt:
break
except Exception:
self.log.info("Unhandled exception in main loop:\n%s" %
traceback.format_exc())
self.stop(False)
if self.pidfile:
del self.pidfile
sys.exit(-1)
self.stop()
self.log.info("Shutting down: %s" % self.master_name)
if self.pidfile:
del self.pidfile
sys.exit(0)
def spawn_worker(self):
self.worker_age += 1
worker = self.worker_class(self.worker_age, self.pid, self.LISTENERS,
self.app, self.timeout / 2.0, self.cfg,
self.log)
worker.index = self.next_worker_index()
self.cfg.pre_fork(self, worker)
pid = os.fork()
if pid != 0:
worker.pid = pid
self.WORKERS[pid] = worker
return pid
# Process Child
worker.pid = os.getpid()
try:
util._setproctitle("worker [%s]" % self.proc_name)
self.log.info("Booting worker with pid: %s", worker.pid)
self.cfg.post_fork(self, worker)
worker.init_process()
sys.exit(0)
except SystemExit:
raise
except AppImportError as e:
self.log.debug("Exception while loading the application",
exc_info=True)
print("%s" % e, file=sys.stderr)
sys.stderr.flush()
sys.exit(self.APP_LOAD_ERROR)
except:
self.log.exception("Exception in worker process"),
if not worker.booted:
sys.exit(self.WORKER_BOOT_ERROR)
sys.exit(-1)
finally:
self.log.info("Worker exiting (pid: %s)", worker.pid)
try:
worker.tmp.close()
self.cfg.worker_exit(self, worker)
except:
self.log.warning("Exception during worker exit:\n%s",
traceback.format_exc())
def spawn_workers(self):
"""\
Spawn new workers as needed.
This is where a worker process leaves the main loop
of the master process.
"""
for i in range(self.num_workers - len(self.WORKERS.keys())):
self.worker_age += 1
worker = self.worker_class(self.worker_age, self.pid, self.LISTENER,
self.app, self.timeout/2.0, self.cfg)
self.cfg.pre_fork(self, worker)
pid = os.fork()
if pid != 0:
self.WORKERS[pid] = worker
continue
# Process Child
worker_pid = os.getpid()
try:
util._setproctitle("worker [%s]" % self.proc_name)
self.log.debug("Booting worker: %s (age: %s)" % (
worker_pid, self.worker_age))
self.cfg.post_fork(self, worker)
worker.init_process()
sys.exit(0)
except SystemExit:
raise
except:
self.log.exception("Exception in worker process:")
if not worker.booted:
sys.exit(self.WORKER_BOOT_ERROR)
sys.exit(-1)
finally:
self.log.info("Worker exiting (pid: %s)" % worker_pid)
try:
worker.tmp.close()
os.unlink(worker.tmpname)
except:
pass
def reload(self):
old_address = self.cfg.address
# reload conf
self.app.reload()
self.setup(self.app)
# reopen log files
self.log.reopen_files()
# do we need to change listener ?
if old_address != self.cfg.address:
# close all listeners
[l.close for l in self.LISTENERS]
# init new listeners
self.LISTENERS = create_sockets(self.cfg, self.log)
self.log.info("Listening at: %s", ",".join(str(self.LISTENERS)))
# do some actions on reload
self.cfg.on_reload(self)
# unlink pidfile
if self.pidfile is not None:
self.pidfile.unlink()
# create new pidfile
if self.cfg.pidfile is not None:
self.pidfile = Pidfile(self.cfg.pidfile)
self.pidfile.create(self.pid)
# set new proc_name
util._setproctitle("master [%s]" % self.proc_name)
# spawn new workers
for i in range(self.cfg.workers):
self.spawn_worker()
# manage workers
self.manage_workers()
def reload(self):
old_address = self.cfg.address
# reload conf
self.app.reload()
self.setup(self.app)
# reopen log files
self.log.reopen_files()
# do we need to change listener ?
if old_address != self.cfg.address:
# close all listeners
[l.close for l in self.LISTENERS]
# init new listeners
self.LISTENERS = create_sockets(self.cfg, self.log)
self.log.info("Listening at: %s", ",".join(str(self.LISTENERS)))
# do some actions on reload
self.cfg.on_reload(self)
# unlink pidfile
if self.pidfile is not None:
self.pidfile.unlink()
# create new pidfile
if self.cfg.pidfile is not None:
self.pidfile = Pidfile(self.cfg.pidfile)
self.pidfile.create(self.pid)
# set new proc_name
util._setproctitle("master [%s]" % self.proc_name)
# spawn new workers
for i in range(self.cfg.workers):
self.spawn_worker()
# manage workers
self.manage_workers()
def maybe_promote_master(self):
# self._log('promote master master_pid=%s' % self.master_pid)
if self.master_pid == 0:
return
# os.getppid: Return the parent’s process id. On Unix
# the id returned is the one of the init process (1)
# todo: 不太理解
self._log('promote master mid=%s ppid=%s' %
(self.master_pid, os.getppid()))
if self.master_pid == os.getppid():
return
self._log("Master has been promoted.")
# reset master infos
self.master_name = "Master"
self.master_pid = 0
self.proc_name = self.cfg.proc_name
del os.environ['GUNICORN_PID']
# rename the pidfile
if self.pidfile is not None:
self.pidfile.rename(self.cfg.pidfile)
# reset proc title
util._setproctitle("master [%s]" % self.proc_name)
def run(self):
"""Main master loop.
"""
self._log('run')
self.start()
util._setproctitle("master [%s]" % self.proc_name)
abc = 'RUN>'
try:
# 看是否需要 增/减 worker
self.manage_workers()
while True:
self.maybe_promote_master()
# 周期性检测信号
sig = self.SIG_QUEUE.pop(0) if self.SIG_QUEUE else None
if sig is None:
# 处理 PIPE 中的消息(数据)
self.sleep()
# 终止unused/idle worker
self.murder_workers()
# 看是否需要 增/减 worker
self.manage_workers()
continue
self._log('run got sig=%s' % sig)
if sig not in self.SIG_NAMES:
self.log.info("Ignoring unknown signal: %s", sig)
continue
signame = self.SIG_NAMES.get(sig)
handler = getattr(self, "handle_%s" % signame, None)
if not handler:
self.log.error("Unhandled signal: %s", signame)
continue
self._log("Handling signal: %s" % signame)
handler()
# todo: 为啥此处要 wakeup?
self._log('run will wakeup')
self.wakeup(abc='RUN>')
except StopIteration:
self._log('run except1: StopIteration')
self.halt(abc=abc)
except KeyboardInterrupt:
self._log('run except1: KeyboardInterrupt')
self.halt(abc=abc)
except HaltServer as e:
self._log('run except2: %s' % e)
self.halt(reason=e.reason, exit_status=e.exit_status, abc=abc)
except SystemExit:
self._log('run except3: SystemExit')
raise
except Exception as e:
self._log('run except4: %s' % e)
self.log.info("Unhandled exception in main loop", exc_info=True)
# 此处直接可以调用 halt 方法的吧?
self.stop(False, abc=abc)
if self.pidfile is not None:
self.pidfile.unlink()
sys.exit(-1)
def spawn_worker(self, abc=''):
self._log('%s spawn_worker' % abc)
self.worker_age += 1
worker = self.worker_class(self.worker_age, self.pid, self.LISTENERS,
self.app, self.timeout / 2.0,
self.cfg, self.log)
self.cfg.pre_fork(self, worker) # hook before fork
self._log('spawn_worker before fork')
pid = os.fork()
self._log('spawn_worker after fork')
if pid != 0: # 父进程中
worker.pid = pid
self.WORKERS[pid] = worker
return pid
# 在子进程中
# Do not inherit the temporary files of other workers
for sibling in self.WORKERS.values():
sibling.tmp.close()
# Process Child
worker.pid = os.getpid()
try:
util._setproctitle("worker [%s]" % self.proc_name)
self._log("Booting worker with pid: %s" % worker.pid)
self.cfg.post_fork(self, worker)
worker._log('spawn_worker before worker init_process')
# 现在是在子进程中, 下面会hang住
worker.init_process()
# 如: 直到Ctrl-C worker退出, 才会执行到这里
worker._log('spawn_worker after worker init_process')
sys.exit(0)
except SystemExit:
# 比如: worker.init_process中因为修改代码而reload时, 将会运行到这儿
worker._log('spawn_worker except SystemExit')
raise
except AppImportError as e:
self.log.debug("Exception while loading the application",
exc_info=True)
print("%s" % e, file=sys.stderr)
sys.stderr.flush()
sys.exit(self.APP_LOAD_ERROR)
except Exception as e:
worker._log('spawn_worker except %s' % e)
self.log.exception("Exception in worker process")
if not worker.booted:
sys.exit(self.WORKER_BOOT_ERROR)
sys.exit(-1)
finally:
# worker.init_process中因为修改代码而reload时, 将会运行到这儿
worker._log('spawn_worker finally worker exiting')
self.log.info("Worker exiting (pid: %s)", worker.pid)
try:
worker.tmp.close()
self.cfg.worker_exit(self, worker)
except:
self.log.warning("Exception during worker exit:\n%s",
traceback.format_exc())
