Subj : Re: A question about atomic_ptr
To   : comp.programming.threads
From : Chris Thomasson
Date : Mon Apr 18 2005 05:07 pm

> mfence fails with exception C000001E, "an attempt was made to execute an
> invalid lock sequence". Athlon XP 2800+.
>
>

Try replacing the inline assembly with this:


__asm__ __volatile__ ("lock; addl $0, 0(%%esp)" : : : "memory");


__asm__ __volatile__ ("mfence" : : : "memory");

.