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64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2006-2007. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/interprocess for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#include <boost/interprocess/detail/config_begin.hpp>
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#include <boost/interprocess/detail/workaround.hpp>
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//[doc_named_allocB
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#include <boost/interprocess/managed_shared_memory.hpp>
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#include <cstddef>
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#include <utility>
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#include <cassert>
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int main ()
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{
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using namespace boost::interprocess;
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typedef std::pair<double, int> MyType;
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try{
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//A special shared memory where we can
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//construct objects associated with a name.
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//Connect to the already created shared memory segment
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//and initialize needed resources
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managed_shared_memory segment(open_only, "MySharedMemory");
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std::pair<MyType*, std::size_t> res;
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//Find the array
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res = segment.find<MyType> ("MyType array");
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//Length should be 10
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assert(res.second == 10);
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//Find the object
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res = segment.find<MyType> ("MyType instance");
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//Length should be 1
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assert(res.second == 1);
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//Find the array constructed from iterators
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res = segment.find<MyType> ("MyType array from it");
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//Length should be 3
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assert(res.second == 3);
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//Use data
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// . . .
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//We're done, delete all the objects
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segment.destroy<MyType>("MyType array");
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segment.destroy<MyType>("MyType instance");
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segment.destroy<MyType>("MyType array from it");
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}
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catch(...){
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shared_memory_object::remove("MySharedMemory");
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throw;
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}
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shared_memory_object::remove("MySharedMemory");
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return 0;
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}
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//]
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#include <boost/interprocess/detail/config_end.hpp>
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