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Add SIGQUIT handler to UvicornWorker #1710

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merged 5 commits into from Nov 1, 2022
Merged

Add SIGQUIT handler to UvicornWorker #1710

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1b105e7
sigquit handling in uvicorn worker
adnaanbheda Oct 16, 2022
06a69d1
check for main thread not required
adnaanbheda Oct 28, 2022
2b348ef
close the sockets before closing down the servers
adnaanbheda Oct 28, 2022
6d5c58a
bRevert "close the sockets before closing down the servers"
adnaanbheda Oct 31, 2022
aa2431b
Update uvicorn/workers.py
Kludex Nov 1, 2022
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11 changes: 11 additions & 0 deletions uvicorn/workers.py
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Expand Up @@ -76,9 +76,20 @@ def init_signals(self) -> None:
# Don't let SIGUSR1 disturb active requests by interrupting system calls
signal.siginterrupt(signal.SIGUSR1, False)

def _install_sigquit_handler(self) -> None:
"""Install a SIGQUIT handler on workers.

- https://github.com/encode/uvicorn/issues/1116
- https://github.com/benoitc/gunicorn/issues/2604
"""

loop = asyncio.get_running_loop()
loop.add_signal_handler(signal.SIGQUIT, self.handle_exit, signal.SIGQUIT, None)

async def _serve(self) -> None:
self.config.app = self.wsgi
server = Server(config=self.config)
self._install_sigquit_handler()
await server.serve(sockets=self.sockets)
if not server.started:
sys.exit(Arbiter.WORKER_BOOT_ERROR)
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