Function napi_add_env_cleanup_hook 

pub unsafe extern "C" fn napi_add_env_cleanup_hook(
    env: napi_env,
    fun: Option<unsafe extern "C" fn(arg: *mut c_void)>,
    arg: *mut c_void,
) -> napi_status

Available on crate features napi and api-11 only.

Registers a clean-up hook for releasing resources when the environment exits.

Arguments

• env - Current running virtual machine context.

• fun - Function pointer which will be triggered when environment is destroy.

• arg - The argument is passed to the function pointer ‘fun’.

Returns

• Returns the function execution status.

Available since API-level: 11