Boost::interprocess memory allocator on anonymous segment?

A mapped_region is a low to mid-level object, and literally represents just the memory Managed shared memory however.

A mapped_region is a low to mid-level object, and literally represents just the memory. Managed shared memory, however is an advanced class that combines a shared memory object and a mapped region that covers all the shared memory object, so it is the managed memory that possess the segment_manager. Given that you want to use anonymous_shared_memory, first you'd get the memory_region as per the example, then you would use placement new to put a segment_manager at the beginning of it.

Its constructor takes the size of the memory segment that it is being constructed in. I do not know if this includes the size of the manager, although I suspect it is included.

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