RE: NPTL

From: David Schwartz
Date: Thu Jul 12 2007 - 08:59:26 EST



> So I can say that in linux 'thread' == 'process'?

No. A process can have any number of threads.

> Is kernel routine 'kthread' creating a process?

No, since a process can have more than one thread.

> I'm just thinking on this subject: if to create 'real threads' - will
> it increase performance? Should I ever think in this way?
> When I say 'real thread' - I mean the thread that doen't switch
> context when it's starting to run.

I don't follow.

The kernel sometimes calls a KSE a 'process'. This is largely a legacy from
when there was a one-to-one correspondence between KSEs and processes.
However, this is no longer the case. In Linux, 'KSE' == 'thread'.

DS


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