Method ast

src/jrd/CryptoManager.h:197–205

	}

	void ast(Jrd::thread_db* tdbb)
	{
		Firebird::MutexLockGuard g(mutex, FB_FUNCTION);
		if (counter >= 0)
		{
			counter -= BIG_VALUE;
		}
		callback->doOnAst(tdbb);
	}

	void lockBegin(Jrd::thread_db* tdbb)
	{