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.cpp
18 * @author Przemyslaw Dobrowolski (p.dobrowolsk@samsung.com)
20 * @brief This file is the implementation file of single instance example
23 #include <dpl/single_instance.h>
26 int main(int argc, char *argv[])
30 std::cout << "Specify instance name!" << std::endl;
34 DPL::SingleInstance singleInstance;
36 if (singleInstance.TryLock(argv[1]))
38 std::cout << "Succedded to lock single instance." << std::endl << "Press ENTER to release lock..." << std::endl;
43 // Release gathered lock
44 singleInstance.Release();
50 std::cout << "Cannot retrieve single instance lock." << std::endl
51 << "Another application has locked single instance." << std::endl
52 << "Will now exit." << std::endl;