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- //////////////////////////////////////////////////////////////////////////////
- //
- // (C) Copyright Ion Gaztanaga 2006-2012. 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/config_begin.hpp>
- //[doc_managed_raw_allocation
- #include <boost/interprocess/managed_shared_memory.hpp>
- //<-
- #include "../test/get_process_id_name.hpp"
- //->
- int main()
- {
- using namespace boost::interprocess;
- //Remove shared memory on construction and destruction
- struct shm_remove
- {
- //<-
- #if 1
- shm_remove() { shared_memory_object::remove(test::get_process_id_name()); }
- ~shm_remove(){ shared_memory_object::remove(test::get_process_id_name()); }
- #else
- //->
- shm_remove() { shared_memory_object::remove("MySharedMemory"); }
- ~shm_remove(){ shared_memory_object::remove("MySharedMemory"); }
- //<-
- #endif
- //->
- } remover;
- //<-
- (void)remover;
- //->
- //Managed memory segment that allocates portions of a shared memory
- //segment with the default management algorithm
- //<-
- #if 1
- managed_shared_memory managed_shm(create_only,test::get_process_id_name(), 65536);
- #else
- //->
- managed_shared_memory managed_shm(create_only,"MySharedMemory", 65536);
- //<-
- #endif
- //->
- //Allocate 100 bytes of memory from segment, throwing version
- void *ptr = managed_shm.allocate(100);
- //Deallocate it
- managed_shm.deallocate(ptr);
- //Non throwing version
- ptr = managed_shm.allocate(100, std::nothrow);
- //Deallocate it
- managed_shm.deallocate(ptr);
- return 0;
- }
- //]
- #include <boost/interprocess/detail/config_end.hpp>
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