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GeezerVison is showing github.com — interprocess/example/doc_allocator.cpp at develop · boostorg/interprocess Expand file tree/ Copy pathdoc_allocator.cppMore file actions 54 lines (46 loc) · 1.66 KB / Copy pathdoc_allocator.cppFile metadata and controls54 lines (46 loc) · 1.66 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 ////////////////////////////////////////////////////////////////////////////// // // (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. // ////////////////////////////////////////////////////////////////////////////// #ifdef NDEBUG #undef NDEBUG #endif #include <boost/interprocess/detail/workaround.hpp> //[doc_allocator #include <boost/interprocess/managed_shared_memory.hpp> #include <boost/interprocess/allocators/allocator.hpp> #include <cassert> //<- #include "../test/get_process_id_name.hpp" //-> using namespace boost::interprocess; int main () { //Remove shared memory on construction and destruction struct shm_remove { shm_remove() { shared_memory_object::remove(test::get_process_id_name()); } ~shm_remove(){ shared_memory_object::remove(test::get_process_id_name()); } } remover; //<- (void)remover; //-> //Create shared memory managed_shared_memory segment(create_only,test::get_process_id_name(), 65536); //Create an allocator that allocates ints from the managed segment allocator<int, managed_shared_memory::segment_manager> allocator_instance(segment.get_segment_manager()); //Copy constructed allocator is equal allocator<int, managed_shared_memory::segment_manager> allocator_instance2(allocator_instance); assert(allocator_instance2 == allocator_instance); //Allocate and deallocate memory for 100 ints allocator_instance2.deallocate(allocator_instance.allocate(100), 100); return 0; } //] |
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