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Do not reopen stdout and stderr on fork

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This is no longer necessary, since we switched to forkserver
This commit is contained in:
George Tsiamasiotis 2024-10-02 18:44:12 +03:00
parent 2e432601b6
commit 32787e2789
1 changed files with 0 additions and 14 deletions
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14
frigate/log.py
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@ -2,7 +2,6 @@ import atexit
import logging import logging
import multiprocessing as mp import multiprocessing as mp
import os import os
import sys
import threading import threading
from collections import deque from collections import deque
from logging.handlers import QueueHandler, QueueListener from logging.handlers import QueueHandler, QueueListener
@ -53,19 +52,6 @@ def _stop_logging() -> None:
log_listener = None log_listener = None
# When a multiprocessing.Process exits, python tries to flush stdout and stderr. However, if the
# process is created after a thread (for example a logging thread) is created and the process fork
# happens while an internal lock is held, the stdout/err flush can cause a deadlock.
#
# https://github.com/python/cpython/issues/91776
def reopen_std_streams() -> None:
sys.stdout = os.fdopen(1, "w")
sys.stderr = os.fdopen(2, "w")
os.register_at_fork(after_in_child=reopen_std_streams)
# based on https://codereview.stackexchange.com/a/17959 # based on https://codereview.stackexchange.com/a/17959
class LogPipe(threading.Thread): class LogPipe(threading.Thread):
def __init__(self, log_name: str): def __init__(self, log_name: str):