Re: [Boost-users] [Interprocess] error_code_t = 9 (already_exists_error) while opening a fixed_managed_shared_memory

On Fri, 20 May 2011 10:15:52 +0200, Gaetan Gaumer wrote: 1) every process has its own address space 2) the memory, where you're trying to map the shared memory may be already partially occupied, so fixed mapping *have to* fail occasionally To summarize: I would not use fixed shared memory mapping - to be stable it shall require dirty hacks to preallocate the memory region, with unexpected problems floating up when you create a library from your code. -- Slava