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45 lines
1.4 KiB
C++
45 lines
1.4 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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//[doc_shared_memory
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#include <boost/interprocess/shared_memory_object.hpp>
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#include <boost/interprocess/mapped_region.hpp>
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#include <iostream>
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#include <cstring>
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int main ()
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{
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using namespace boost::interprocess;
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try{
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//Erase previous shared memory
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shared_memory_object::remove("shared_memory");
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//Create a shared memory object.
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shared_memory_object shm (create_only, "shared_memory", read_write);
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//Set size
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shm.truncate(1000);
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//Map the whole shared memory in this process
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mapped_region region(shm, read_write);
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//Write all the memory to 1
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std::memset(region.get_address(), 1, region.get_size());
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}
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catch(interprocess_exception &ex){
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shared_memory_object::remove("shared_memory");
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std::cout << ex.what() << std::endl;
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return 1;
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}
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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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