Adding shmserver

Alexandre Julliard julliard at
Tue Mar 4 13:56:07 CST 2003

Gavriel State <gav at> writes:

> I believe that our design has pretty stringent safeguards against a buggy
> process trashing the system structures.  By write-locking the shm area,
> the possibility of a buggy app (or wine client side code) overwriting
> system structures is virtually nil.

I'm not so sure. All processes will contain the code to unlock the shm
area, and then all it takes is a jump to the wrong address. Also a bad
pointer is not the only possible problem, for instance a thread
getting stopped or killed while inside the shm lock will kill the
whole session.

Alexandre Julliard
julliard at

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