| ////////////////////////////////////////////////////////////////////////////// |
| // |
| // (C) Copyright Ion Gaztanaga 2006-2009. 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> |
| #include <boost/interprocess/detail/workaround.hpp> |
| //[doc_cont |
| #include <boost/interprocess/containers/vector.hpp> |
| #include <boost/interprocess/allocators/allocator.hpp> |
| #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; |
| |
| //A managed shared memory where we can construct objects |
| //associated with a c-string |
| //<- |
| #if 1 |
| managed_shared_memory segment(create_only,test::get_process_id_name(), 65536); |
| #else |
| //-> |
| managed_shared_memory segment(create_only, |
| "MySharedMemory", //segment name |
| 65536); |
| //<- |
| #endif |
| //-> |
| |
| //Alias an STL-like allocator of ints that allocates ints from the segment |
| typedef allocator<int, managed_shared_memory::segment_manager> |
| ShmemAllocator; |
| |
| //Alias a vector that uses the previous STL-like allocator |
| typedef vector<int, ShmemAllocator> MyVector; |
| |
| int initVal[] = {0, 1, 2, 3, 4, 5, 6 }; |
| const int *begVal = initVal; |
| const int *endVal = initVal + sizeof(initVal)/sizeof(initVal[0]); |
| |
| //Initialize the STL-like allocator |
| const ShmemAllocator alloc_inst (segment.get_segment_manager()); |
| |
| //Construct the vector in the shared memory segment with the STL-like allocator |
| //from a range of iterators |
| MyVector *myvector = |
| segment.construct<MyVector> |
| ("MyVector")/*object name*/ |
| (begVal /*first ctor parameter*/, |
| endVal /*second ctor parameter*/, |
| alloc_inst /*third ctor parameter*/); |
| |
| //Use vector as your want |
| std::sort(myvector->rbegin(), myvector->rend()); |
| // . . . |
| //When done, destroy and delete vector from the segment |
| segment.destroy<MyVector>("MyVector"); |
| return 0; |
| } |
| //] |
| #include <boost/interprocess/detail/config_end.hpp> |