Messages in this thread | | | Date | Sat, 9 Jun 2007 21:03:23 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: [patch 7/8] fdmap v2 - implement sys_socket2 |
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On Sun, 10 Jun 2007, Al Viro wrote:
> On Sat, Jun 09, 2007 at 08:48:39PM -0700, Linus Torvalds wrote: > > Agreed. That was actually part of the reason why I thought clone() was > > much better than the pthreads interface. > > > > That said, the Linux !CLONE_FILES does have downsides: > > > > - it is potentially much slower to do than sharing everything (if you > > have lots of file descriptors, incrementing the refcounts etc is > > actually a real overhead) > > Huh? We _skip_ the overhead when descriptor table is not shared.
Not for clone()/exit(), ie the actual _creation_ of the thread.
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