| ////////////////////////////////////////////////////////////////////////////// |
| // |
| // (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> |
| //[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; |
| |
| //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> |