No, Linux 2.x implements threads entirely in the kernel. The userspace
library merely provides a POSIX API to the kernel interface (clone).
> Now, from my experiance linux handles threads pretty nicely, and from
> what I've seen according to POSIX semantics to boot. Linux, and unix, already
> handles multiple processes at a time, so the idea is, what's a thread but
> another process? (I know I'm going to get flamed for this by SOMEONE), so
> that's the way Linux handles it. Two threads in a running program are just
> simply two processes that share some info, similar to fork'ed processes, but
> not quite. ;)
>
> Anyhow, that's how I understand it, and I've yet to run into any
> problems or drawbacks in the linux thread implementation compared to other
> OS's (Solaris being one, NT another) that have threads at 'kernel-level'.
Linux's implementation is by far the most elegant.
--
Nathan Hand - Chirp Web Design - http://www.chirp.com.au/ - $e^{i\pi}+1 = 0$
Phone: +61 2 6230 1871 Fax: +61 2 6230 1515 E-mail: nathanh@chirp.com.au
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