////////////////////////////////////////////////////////////////////////////// // // (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_offset_ptr #include <boost/interprocess/managed_shared_memory.hpp> #include <boost/interprocess/offset_ptr.hpp> //<- #include "../test/get_process_id_name.hpp" //-> using namespace boost::interprocess; //Shared memory linked list node struct list_node { offset_ptr<list_node> next; int value; }; int main () { //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; //Create shared memory //<- #if 1 managed_shared_memory segment(create_only, test::get_process_id_name(), //segment name 65536); #else //-> managed_shared_memory segment(create_only, "MySharedMemory", //segment name 65536); //<- #endif //-> //Create linked list with 10 nodes in shared memory offset_ptr<list_node> prev = 0, current, first; int i; for(i = 0; i < 10; ++i, prev = current){ current = static_cast<list_node*>(segment.allocate(sizeof(list_node))); current->value = i; current->next = 0; if(!prev) first = current; else prev->next = current; } //Communicate list to other processes //. . . //When done, destroy list for(current = first; current; /**/){ prev = current; current = current->next; segment.deallocate(prev.get()); } return 0; } //] #include <boost/interprocess/detail/config_end.hpp>