thread impersonation

[John Baldwin]

On Monday, September 19, 2011 7:50:04 am Gonzalo wrote:
> What i'm trying to achieve is a program like NFS. Users will connect to this
> program and navigate the virtual filesystem. Each connection is a thread,
> and I need to impersonate them for the user associated to each connection,
> if I use setuid, all thread in the process would be impersonated. In Linux I
> achieved that using "setfsid" but that doesn't exists here in FreeBSD

Yes, per-thread credentials don't exist yet.  You can try asking 
zml at FreeBSD.org as he was planning to work on that, but I don't know if he has 
a patch available.  rwatson@ is another good person to ask about this.

-- 
John Baldwin