Messages in this thread |  | | Date | Sat, 2 Sep 2000 03:11:15 +0200 | From | "Andi Kleen" <> | Subject | Re: thread group comments |
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On Fri, Sep 01, 2000 at 06:00:58PM -0700, Linus Torvalds wrote: > > > On 1 Sep 2000, Ulrich Drepper wrote: > > > "Andi Kleen" <ak@suse.de> writes: > > > > > I've been thinking about how to best get rid of the thread manager for > > > thread creation in LinuxThreads. It is currently needed to do the wait. > > > > If you get rid of the manager thread (the +1 thread) then you have > > another problem: you cannot send a signal explicitly to this thread > > (to implement pthread_kill). The PID of this initial thread is now > > used as the PID of the thread group. > > Well, that can be solved by having a separate "threadkill()" system call. > > But I'd much rather just have the "n+1" thing. The overhead is basically > nonexistent, and it simplifies so many things.
But I guess you don't want the context switch to a thread manager just to generate a thread ? (and which is one of the main causes of the bad thread creation latency in Linux currently)
-Andi
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