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Message-ID: <a9e22dff0707120537l1a29de93vdd67f146cf36a120@mail.gmail.com> Date: Thu, 12 Jul 2007 15:37:39 +0300 From: "Ni@m" <niam.niam@...il.com> To: davids@...master.com, LKML <linux-kernel@...r.kernel.org> Subject: Re: NPTL So I can say that in linux 'thread' == 'process'? Is kernel routine 'kthread' creating a process? 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. On 7/12/07, David Schwartz <davids@...master.com> wrote: > > > Hi! > > I have a question about NPTL. > > Are NPTL are still based on `clone` system call? > > Yes. > > > Are NPTL threads are > > "processes" internally? > > No. By definition, all the threads belong to a single process. NPTL threads > are based on KSEs (kernel scheduling entities). A non-threaded process is > also a KSE. A threaded process is more than one KSEs. All KSE are, > obviously, scheduled by the kernel. > > > Thanks! > > You're welcome. > > DS > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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