1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2004-2012. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/interprocess for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#include <boost/interprocess/detail/workaround.hpp>
#if defined(BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS)
#include <fstream>
#include <iostream>
#include <boost/interprocess/xsi_shared_memory.hpp>
#include <boost/interprocess/mapped_region.hpp>
#include <boost/interprocess/file_mapping.hpp>
#include <boost/interprocess/detail/file_wrapper.hpp>
#include <string>
#include <iostream>
#include "get_process_id_name.hpp"
using namespace boost::interprocess;
void remove_shared_memory(const xsi_key &key)
{
BOOST_TRY{
xsi_shared_memory xsi(open_only, key);
xsi_shared_memory::remove(xsi.get_shmid());
}
BOOST_CATCH(interprocess_exception &e){
if(e.get_error_code() != not_found_error)
BOOST_RETHROW
} BOOST_CATCH_END
}
class xsi_shared_memory_remover
{
public:
xsi_shared_memory_remover(xsi_shared_memory &xsi_shm)
: xsi_shm_(xsi_shm)
{}
~xsi_shared_memory_remover()
{ xsi_shared_memory::remove(xsi_shm_.get_shmid()); }
private:
xsi_shared_memory & xsi_shm_;
};
int main ()
{
std::string filename(get_filename());
const char *names[2] = { filename.c_str(), 0 };
file_mapping::remove(names[0]);
{ ipcdetail::file_wrapper(create_only, names[0], read_write); }
xsi_key key(names[0], 1);
file_mapping::remove(names[0]);
remove_shared_memory(key);
unsigned int i;
BOOST_TRY{
for(i = 0; i < sizeof(names)/sizeof(names[0]); ++i)
{
const std::size_t FileSize = 99999*2;
//Create a file mapping
xsi_shared_memory mapping (create_only, names[i] ? key : xsi_key(), FileSize);
xsi_shared_memory_remover rem(mapping);
BOOST_TRY{
{
//Partial mapping should fail fox XSI shared memory
bool thrown = false;
BOOST_TRY{
mapped_region region2(mapping, read_write, FileSize/2, FileSize - FileSize/2, 0);
}
BOOST_CATCH(...){
thrown = true;
} BOOST_CATCH_END
if(thrown == false){
return 1;
}
//Create a mapped region
mapped_region region (mapping, read_write, 0, FileSize, 0);
//Fill two regions with a pattern
unsigned char *filler = static_cast<unsigned char*>(region.get_address());
for(std::size_t i = 0; i < FileSize; ++i){
*filler++ = static_cast<unsigned char>(i);
}
}
//Now check the pattern mapping a single read only mapped_region
{
//Create a single region, mapping all the file
mapped_region region (mapping, read_only);
//Check pattern
unsigned char *pattern = static_cast<unsigned char*>(region.get_address());
for(std::size_t i = 0; i < FileSize; ++i, ++pattern){
if(*pattern != static_cast<unsigned char>(i)){
return 1;
}
}
}
}
BOOST_CATCH(std::exception &exc){
std::cout << "Unhandled exception: " << exc.what() << std::endl;
return 1;
} BOOST_CATCH_END
}
}
BOOST_CATCH(std::exception &exc){
std::cout << "Unhandled exception: " << exc.what() << std::endl;
return 1;
} BOOST_CATCH_END
return 0;
}
#else
int main()
{
return 0;
}
#endif //BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS
|
