CLONE_VM doesn't appear to work as documented

[David Nicol]

anyone familiar with the nuances of clone(2) care to comment?  I am running
the attached program on a quad machine with a inux version
2.6.11-1.1369_FC4smp (bhcompile at decompose.build.redhat.com) and gcc
version 4.0.2 20051125 (Red Hat 4.0.2-8)

and I do not get a single counter increased by multiple threads, which
is what I want.

I don't even seem to get four different counters incremented by multiple threads
that are on the same CPU.  It appears that all the threads are running their own
counter, and all starting from 0.

Advice?


-- 
David L Nicol
Dickenson on the flag
http://cronos.advenge.com/pc/EmilyDickenson/SecondBook/p39.html