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DragonFly users List (threaded) for 2005-02
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Re: POSIX threads on DFly

From: Joerg Sonnenberger <joerg@xxxxxxxxxxxxxxxxx>
Date: Fri, 25 Feb 2005 15:26:39 +0100
Mail-followup-to: users@crater.dragonflybsd.org

On Thu, Feb 24, 2005 at 10:25:54PM +0000, Jonathon McKitrick wrote:
> "WARNING: As of this writing, the thread packages commonly shipped with
> Linux and FreeBSD don't adhere to the POSIX standard, chiefly because they
> implement a thread either too weakly (doing everything in user space) or too
> strongly (using a process for each thread)....

The "too weakly" is bullshit, there's any non-conformance of libc_r with
POSIX is a bug.

> Look for the newest Linux thread implementation, called Native POSIX Thread
> Library for Linux (NPTL), which is now finding its way into Linux systems.
> It fixes all of the important POSIX-compliance bugs."

Read: provides a working thread implementation, not a fork-like threading.

> Understanding that LWKT is just for the kernel, where do Xu threads fit in?
> Where are we in comparison with POSIX?

Still some kernel parts to fix before it can be fully POSIX conformant.
I'm working on that.


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