Aha! That sounds like just the ticket. I hope it's easy to use. A million thank-you's, and a Salami. EDIT: I just saw your edit. That's what I'm doing ---

Aha! That sounds like just the ticket. I hope it's easy to use. A million thank-you's, and a Salami. EDIT: I just saw your edit. That's what I'm doing --- shm_open(), ftruncate(), then mmap(). A little annoying that it doesn't automatically kill the shared memory when the program terminates, but still...