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Smittix
13cf391211
Gunicorn's gevent worker deadlocks during init_process() on Raspberry Pi (ARM) before it can apply its own monkey-patching. Patching in post_fork runs immediately after fork and before worker init, avoiding the race. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
"""Gunicorn configuration for INTERCEPT."""
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def post_fork(server, worker):
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"""Apply gevent monkey-patching immediately after fork.
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Gunicorn's built-in gevent worker is supposed to handle this, but on
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some platforms (notably Raspberry Pi / ARM) the worker deadlocks during
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its own init_process() before it gets to patch. Doing it here — right
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after fork, before any worker initialisation — avoids the race.
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"""
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try:
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from gevent import monkey
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monkey.patch_all(subprocess=False)
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except Exception:
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pass
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def post_worker_init(worker):
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"""Suppress noisy SystemExit tracebacks during gevent worker shutdown.
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When gunicorn receives SIGINT, the gevent worker's handle_quit()
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calls sys.exit(0) inside a greenlet. Gevent treats SystemExit as
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an error by default and prints a traceback. Adding it to NOT_ERROR
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silences this harmless noise.
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"""
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try:
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import ssl
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from gevent import get_hub
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hub = get_hub()
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suppress = (SystemExit, ssl.SSLZeroReturnError, ssl.SSLError)
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for exc in suppress:
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if exc not in hub.NOT_ERROR:
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hub.NOT_ERROR = hub.NOT_ERROR + (exc,)
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except Exception:
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pass
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