int engine_unlocked_finish(ENGINE *e, int unlock_for_handlers)
	{
	int to_return = 1;

	/* Reduce the functional reference count here so if it's the terminating
	 * case, we can release the lock safely and call the finish() handler
	 * without risk of a race. We get a race if we leave the count until
	 * after and something else is calling "finish" at the same time -
	 * there's a chance that both threads will together take the count from
	 * 2 to 0 without either calling finish(). */
	e->funct_ref--;
	engine_ref_debug(e, 1, -1);
	if((e->funct_ref == 0) && e->finish)
		{
		if(unlock_for_handlers)
			CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
		to_return = e->finish(e);
		if(unlock_for_handlers)
			CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
		if(!to_return)
			return 0;
		}
#ifdef REF_CHECK
	if(e->funct_ref < 0)
		{
		fprintf(stderr,"ENGINE_finish, bad functional reference count\n");
		abort();
		}
#endif
	/* Release the structural reference too */
	if(!engine_free_util(e, 0))
		{
		ENGINEerr(ENGINE_F_ENGINE_FINISH,ENGINE_R_FINISH_FAILED);
		return 0;
		}
	return to_return;
	}