fix: directly exit with 0 after tests in Windows

Author: georgeh0

python/cocoindex/tests/conftest.py

@@ -1,30 +1,18 @@
 import pytest
 import typing
 import os
-import signal
+import sys
 
 
 @pytest.fixture(scope="session", autouse=True)
-def _cocoindex_env_fixture() -> typing.Generator[None, None, None]:
+def _cocoindex_env_fixture(
+    request: pytest.FixtureRequest,
+) -> typing.Generator[None, None, None]:
     """Shutdown the subprocess pool at exit."""
 
     yield
 
-    try:
-        print("Shutdown the subprocess pool at exit in hook.")
-        import cocoindex.subprocess_exec
-
-        if os.name == "nt":
-            original_sigint_handler = signal.getsignal(signal.SIGINT)
-            try:
-                signal.signal(signal.SIGINT, signal.SIG_IGN)
-                cocoindex.subprocess_exec.shutdown_pool_at_exit()
-            finally:
-                try:
-                    signal.signal(signal.SIGINT, original_sigint_handler)
-                except ValueError:  # noqa: BLE001
-                    pass
-        else:
-            cocoindex.subprocess_exec.shutdown_pool_at_exit()
-    except (ImportError, AttributeError):  # noqa: BLE001
-        pass
+    if sys.platform.startswith("win"):
+        # If any test failed, let pytest exit normally with nonzero code
+        if request.session.testsfailed == 0:
+            os._exit(0)  # immediate success exit (skips atexit/teardown)