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Fix signal handler deadlock and add satellite TLE data

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Remove logging and cleanup_all_processes() from signal handler to
prevent deadlocks when another thread holds the logging or process lock.
Process cleanup is handled by the atexit handler instead.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Smittix
2026-02-08 21:50:13 +00:00
parent 0c656cff2b
commit 2bed35dd64
2 changed files with 216 additions and 4 deletions
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10
utils/process.py
View File

@@ -85,11 +85,13 @@ atexit.register(cleanup_all_processes)
# Handle signals for graceful shutdown
def _signal_handler(signum, frame):
"""Handle termination signals."""
"""Handle termination signals.
Keep this minimal — logging and lock acquisition in signal handlers
can deadlock when another thread holds the logging or process lock.
Process cleanup is handled by the atexit handler registered above.
"""
import sys
logger.info(f"Received signal {signum}, cleaning up...")
cleanup_all_processes()
# Re-raise KeyboardInterrupt for SIGINT so Flask can handle shutdown
if signum == signal.SIGINT:
raise KeyboardInterrupt()
sys.exit(0)