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Clear tornado ioloop before os.fork (#1831)

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7 2018-07-21 13:38:04 -07:00 committed by Randall Leeds
parent 7d0787cd1a
commit cdd147841a
1 changed files with 8 additions and 0 deletions
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8
gunicorn/workers/gtornado.py
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@ -69,6 +69,14 @@ class TornadoWorker(Worker):
if not self.ioloop._callbacks: if not self.ioloop._callbacks:
self.ioloop.stop() self.ioloop.stop()
def init_process(self):
# IOLoop cannot survive a fork or be shared across processes
# in any way. When multiple processes are being used, each process
# should create its own IOLoop. We should clear current IOLoop
# if exists before os.fork.
IOLoop.clear_current()
super(TornadoWorker, self).init_process()
def run(self): def run(self):
self.ioloop = IOLoop.instance() self.ioloop = IOLoop.instance()
self.alive = True self.alive = True