> So I have to allocate 56 bytes (sizeof(Tos) on 386) of space above the > top of stack (before copying argc and argv) and set AX to that > address, correct?
Yes. And you need to maintain it. At the very least you need to initialize tos->pid and update it on return from rfork. > The clone(2) system call in linux allows for creation of child > processes that share address space with its parent, with the exception > of the stack segment. It does? I don't see that anywhere in the man page. Russ
