py: Set EFD_CLOEXEC on eventfd to avoid fd leaking

Set EFD_CLOEXEC on eventfd to avoid fd leaking.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

src/py/libcamera/py_camera_manager.cpp

@@ -24,7 +24,7 @@ PyCameraManager::PyCameraManager()
 
 	cameraManager_ = std::make_unique<CameraManager>();
 
-	int fd = eventfd(0, 0);
+	int fd = eventfd(0, EFD_CLOEXEC);
 	if (fd == -1)
 		throw std::system_error(errno, std::generic_category(),
 					"Failed to create eventfd");