1 //////////////////////////////////////////////////////////////////////////////
2 //
3 // (C) Copyright Ion Gaztanaga 2004-2012. Distributed under the Boost
4 // Software License, Version 1.0. (See accompanying file
5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 //
7 // See http://www.boost.org/libs/interprocess for documentation.
8 //
9 //////////////////////////////////////////////////////////////////////////////
10 #define BOOST_INTERPROCESS_BOOTSTAMP_IS_EVENTLOG_BASED
11 #include <boost/interprocess/shared_memory_object.hpp>
12 #include <boost/interprocess/detail/managed_open_or_create_impl.hpp>
13 #include <boost/interprocess/exceptions.hpp>
14 #include "named_creation_template.hpp"
15 #include <cstring>   //for strcmp, memset
16 #include <iostream>  //for cout
17 #include <string>
18 #include "get_process_id_name.hpp"
19 
20 using namespace boost::interprocess;
21 
22 static const std::size_t ShmSize = 1000;
23 static const char *      ShmName = test::get_process_id_name();
24 
25 struct eraser
26 {
~erasereraser27    ~eraser()
28    {
29       shared_memory_object::remove(ShmName);
30    }
31 };
32 
33 typedef ipcdetail::managed_open_or_create_impl<shared_memory_object, 0, true, false> shared_memory;
34 
35 //This wrapper is necessary to have a common constructor
36 //in generic named_creation_template functions
37 class shared_memory_creation_test_wrapper
38    : public eraser
39    , public shared_memory
40 {
41 
42    public:
shared_memory_creation_test_wrapper(create_only_t)43    shared_memory_creation_test_wrapper(create_only_t)
44       :  shared_memory(create_only, ShmName, ShmSize, read_write, 0, permissions())
45    {}
46 
shared_memory_creation_test_wrapper(open_only_t)47    shared_memory_creation_test_wrapper(open_only_t)
48       :  shared_memory(open_only, ShmName, read_write, 0)
49    {}
50 
shared_memory_creation_test_wrapper(open_or_create_t)51    shared_memory_creation_test_wrapper(open_or_create_t)
52       :  shared_memory(open_or_create, ShmName, ShmSize, read_write, 0, permissions())
53    {}
54 };
55 
56 
main()57 int main ()
58 {
59    try{
60       shared_memory_object::remove(ShmName);
61       test::test_named_creation<shared_memory_creation_test_wrapper>();
62 
63       //Create and get name, size and address
64       {
65          shared_memory_object::remove(ShmName);
66          shared_memory shm1(create_only, ShmName, ShmSize, read_write, 0, permissions());
67 
68          //Overwrite all memory
69          std::memset(shm1.get_user_address(), 0, shm1.get_user_size());
70 
71          //Now test move semantics
72          shared_memory move_ctor(boost::move(shm1));
73          shared_memory move_assign;
74          move_assign = boost::move(move_ctor);
75       }
76    }
77    catch(std::exception &ex){
78       shared_memory_object::remove(ShmName);
79       std::cout << ex.what() << std::endl;
80       return 1;
81    }
82    shared_memory_object::remove(ShmName);
83    return 0;
84 }
85