| ////////////////////////////////////////////////////////////////////////////// |
| // |
| // (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_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 |
| { |
| //<- |
| #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(), 65536); |
| #else |
| //-> |
| managed_shared_memory segment(create_only, |
| "MySharedMemory", //segment name |
| 65536); |
| //<- |
| #endif |
| //-> |
| |
| //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; |
| } |
| //] |
| #include <boost/interprocess/detail/config_end.hpp> |