Re: SCO: "thread creation is about a thousand times faster than on

From: Alan Cox (
Date: Mon Aug 28 2000 - 16:45:55 EST

> In the POSIX spec fork demolishes all threads in the child. This is the
> only sensible answer and it seems wasteful to ignore the rare sensible
> parts of the POSIX spec. I think exec should do the same thing: calling
> thread should die and be replaced by a thread/process that is not in the
> thread group since it no longer shares memory.

It isnt a sensible answer. Think about a threaded web server firing off
cgi scripts. You should probably kill those with the same mm. Especially if
you have an unclone(CLONE_MM) since you can then unshare the VM for a thread
and exec stuff off it

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