On Fri, Sep 01, 2000 at 06:00:58PM -0700, Linus Torvalds wrote:
> On 1 Sep 2000, Ulrich Drepper wrote:
> > "Andi Kleen" <firstname.lastname@example.org> 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)
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This archive was generated by hypermail 2b29 : Thu Sep 07 2000 - 21:00:12 EST