一个关于Python的死锁问题

2020-07-06 00:00:00 函数线程进程阻塞这把

某日，在排查线上问题时，在dump线程后发现了一些“诡异”的异常：

File "/usr/local/lib/python3.5/logging/__init__.py", line 1838, in info
    root.info(msg, *args, **kwargs)
  File "/usr/local/lib/python3.5/logging/__init__.py", line 1271, in info
    Log 'msg % args' with severity 'INFO'.
  File "/usr/local/lib/python3.5/logging/__init__.py", line 1279, in info
    self._log(INFO, msg, args, **kwargs)
  File "/usr/local/lib/python3.5/logging/__init__.py", line 1415, in _log
    self.handle(record)
  File "/usr/local/lib/python3.5/logging/__init__.py", line 1425, in handle
    self.callHandlers(record)
  File "/usr/local/lib/python3.5/logging/__init__.py", line 1487, in callHandlers
    hdlr.handle(record)
  File "/usr/local/lib/python3.5/logging/__init__.py", line 853, in handle
    self.acquire()
  File "/usr/local/lib/python3.5/logging/__init__.py", line 804, in acquire
    self.lock.acquire()

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