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Add thread-safe handler initialization using double-checked locking #174

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Merged
merged 2 commits into from
May 19, 2025
Merged

Add thread-safe handler initialization using double-checked locking #174

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3671e68
feat: add thread-safe handler initialization using double-checked loc…
ImMin5 May 19, 2025
118fbb3
fix: rename thread lock variable for clarity in handler initialization
ImMin5 May 19, 2025
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8 changes: 6 additions & 2 deletions src/spaceone/core/handler/__init__.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import abc
import logging
import threading
from typing import List
from spaceone.core.base import CoreObject
from spaceone.core import config
Expand All @@ -25,6 +26,7 @@
"mutation": [],
"event": [],
}
_HANDLER_THREAD_LOCK = threading.Lock()

_LOGGER = logging.getLogger(__name__)

Expand Down Expand Up @@ -145,5 +147,7 @@ def get_event_handlers() -> List[BaseEventHandler]:

def _check_init_state() -> None:
if not _HANDLER_INFO["init"]:
_init_handlers()
_HANDLER_INFO["init"] = True
with _HANDLER_THREAD_LOCK:
if not _HANDLER_INFO["init"]:
_init_handlers()
_HANDLER_INFO["init"] = True
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