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Allow enabling the asyncio reactor in complement (#14858)

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Signed-off-by: Jason Little realtyem@gmail.com
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realtyem 2023-02-01 17:42:45 -06:00 • committed by GitHub
parent 1d3a54aa30
commit 58214dbb9b
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6 changed files with 42 additions and 4 deletions
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21
synapse/app/complement_fork_starter.py
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@ -110,6 +110,8 @@ def _worker_entrypoint(
and then kick off the worker's main() function.
"""
from synapse.util.stringutils import strtobool
sys.argv = args
# reset the custom signal handlers that we installed, so that the children start
@ -117,9 +119,24 @@ def _worker_entrypoint(
for sig, handler in _original_signal_handlers.items():
signal.signal(sig, handler)
from twisted.internet.epollreactor import EPollReactor
# Install the asyncio reactor if the
# SYNAPSE_COMPLEMENT_FORKING_LAUNCHER_ASYNC_IO_REACTOR is set to 1. The
# SYNAPSE_ASYNC_IO_REACTOR variable would be used, but then causes
# synapse/__init__.py to also try to install an asyncio reactor.
if strtobool(
os.environ.get("SYNAPSE_COMPLEMENT_FORKING_LAUNCHER_ASYNC_IO_REACTOR", "0")
):
import asyncio
from twisted.internet.asyncioreactor import AsyncioSelectorReactor
reactor = AsyncioSelectorReactor(asyncio.get_event_loop())
proxy_reactor._install_real_reactor(reactor)
else:
from twisted.internet.epollreactor import EPollReactor
proxy_reactor._install_real_reactor(EPollReactor())
proxy_reactor._install_real_reactor(EPollReactor())
func()