On Fri, Jul 15, 2016 at 1:56 AM, <bytevolc...@safe-mail.net> wrote: > Ted Unangst wrote: >> >> bytevolc...@safe-mail.net wrote: >>> >>> I see where you are coming from, but what I am getting at is, where in >>> the POSIX standard does it say that it needs to be anywhere in the file >>> system at all? If it is shared memory, then surely this doesn't require >>> backing up. >> >> Oh. It doesn't have to be a file. It can be a file. (And you can't asusme >> it's not a file.) > > Well, I am amazed. I guess I just have to do some more investigation into > workarounds for this, as RAM-based tmpfs file systems will get full very > quickly with shared memory segments, and large segments result in high disk > activity when munmap() is called. And SysV shared memory is too limiting for > my purposes.
Could you clarify what underlying problem you're trying to solve? Maybe there's just a misunderstanding about the POSIX APIs, or about how OpenBSD implements them, or what alternative APIs exist. Philip Guenther
