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Full merge from trunk at revision 41356 of entire boost-root tree.

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[SVN r41369]
This commit is contained in:
Beman Dawes
2007-11-25 18:07:19 +00:00
parent fec5f75606
commit 28bf848aaa
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46
example/doc_shared_memory2.cpp
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//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2006-2007. 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/config_begin.hpp>
//[doc_shared_memory2
#include <boost/interprocess/shared_memory_object.hpp>
#include <boost/interprocess/mapped_region.hpp>
#include <iostream>
#include <cstring>
int main ()
{
using namespace boost::interprocess;
try{
//Open already created shared memory object.
shared_memory_object shm (open_only, "shared_memory", read_only);
//Map the whole shared memory in this process
mapped_region region(shm, read_only);
//Check that memory was initialized to 1
const char *mem = static_cast<char*>(region.get_address());
for(std::size_t i = 0; i < region.get_size(); ++i){
if(*mem++ != 1){
std::cout << "Error checking memory!" << std::endl;
return 1;
}
}
std::cout << "Test successful!" << std::endl;
}
catch(interprocess_exception &ex){
std::cout << "Unexpected exception: " << ex.what() << std::endl;
return 1;
}
return 0;
}
//]
#include <boost/interprocess/detail/config_end.hpp>