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Handle SIGINT with forkserver (#18860)

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* Pass stopevent from main start

* Share stop event across processes

* preload modules

* remove explicit os._exit call

---------

Co-authored-by: Josh Hawkins <32435876+hawkeye217@users.noreply.github.com>
This commit is contained in:
Nicolas Mowen
2025-08-16 10:20:33 -05:00
committed by Blake Blackshear
co-authored by Josh Hawkins
parent e1ee6f010f
commit 542bf05bb8
11 changed files with 68 additions and 46 deletions
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frigate/app.py
+10 -9
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@@ -81,10 +81,12 @@ logger = logging.getLogger(__name__)
class FrigateApp:
def __init__(self, config: FrigateConfig, manager: SyncManager) -> None:
def __init__(
self, config: FrigateConfig, manager: SyncManager, stop_event: MpEvent
) -> None:
self.metrics_manager = manager
self.audio_process: Optional[mp.Process] = None
self.stop_event: MpEvent = mp.Event()
self.stop_event = stop_event
self.detection_queue: Queue = mp.Queue()
self.detectors: dict[str, ObjectDetectProcess] = {}
self.detection_shms: list[mp.shared_memory.SharedMemory] = []
@@ -225,14 +227,14 @@ class FrigateApp:
self.processes["go2rtc"] = proc.info["pid"]
def init_recording_manager(self) -> None:
recording_process = RecordProcess(self.config)
recording_process = RecordProcess(self.config, self.stop_event)
self.recording_process = recording_process
recording_process.start()
self.processes["recording"] = recording_process.pid or 0
logger.info(f"Recording process started: {recording_process.pid}")
def init_review_segment_manager(self) -> None:
review_segment_process = ReviewProcess(self.config)
review_segment_process = ReviewProcess(self.config, self.stop_event)
self.review_segment_process = review_segment_process
review_segment_process.start()
self.processes["review_segment"] = review_segment_process.pid or 0
@@ -252,8 +254,7 @@ class FrigateApp:
return
embedding_process = EmbeddingProcess(
self.config,
self.embeddings_metrics,
self.config, self.embeddings_metrics, self.stop_event
)
self.embedding_process = embedding_process
embedding_process.start()
@@ -389,6 +390,7 @@ class FrigateApp:
list(self.config.cameras.keys()),
self.config,
detector_config,
self.stop_event,
)
def start_ptz_autotracker(self) -> None:
@@ -412,7 +414,7 @@ class FrigateApp:
self.detected_frames_processor.start()
def start_video_output_processor(self) -> None:
output_processor = OutputProcess(self.config)
output_processor = OutputProcess(self.config, self.stop_event)
self.output_processor = output_processor
output_processor.start()
logger.info(f"Output process started: {output_processor.pid}")
@@ -438,7 +440,7 @@ class FrigateApp:
if audio_cameras:
self.audio_process = AudioProcessor(
self.config, audio_cameras, self.camera_metrics
self.config, audio_cameras, self.camera_metrics, self.stop_event
)
self.audio_process.start()
self.processes["audio_detector"] = self.audio_process.pid or 0
@@ -666,4 +668,3 @@ class FrigateApp:
_stop_logging()
self.metrics_manager.shutdown()
os._exit(os.EX_OK)