2 * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 * @file single_instance.h
18 * @author Przemyslaw Dobrowolski (p.dobrowolsk@samsung.com)
20 * @brief This file is the implementation file of single instance
22 #ifndef DPL_SINGLE_INSTANCE_H
23 #define DPL_SINGLE_INSTANCE_H
25 #include <dpl/noncopyable.h>
26 #include <dpl/exception.h>
30 class SingleInstance :
37 DECLARE_EXCEPTION_TYPE(DPL::Exception, Base)
38 DECLARE_EXCEPTION_TYPE(Base, LockError)
39 DECLARE_EXCEPTION_TYPE(Base, ReleaseError)
48 virtual ~SingleInstance();
50 bool TryLock(const std::string &lockName);
55 #endif // DPL_SINGLE_INSTANCE_H