Messages in this thread | | | Date | Sun, 15 Sep 2002 20:57:46 +0200 (CEST) | From | Ingo Molnar <> | Subject | Re: [patch] thread-exec-2.5.34-B1, BK-curr |
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On Sun, 15 Sep 2002, Linus Torvalds wrote:
> > i dont like those semantics either - will verify whether thread-specific > > exec() works via a helper thread (or vfork) - it really should. > > As long as it works with something sane (and vfork() is sane), I'm happy > with the posix behaviour by default. [...]
yes - the default case is very similar to that: exec() works for a 1-member thread_group, otherwise i couldnt have booted the kernel.
> [...] After all, the execve() really _does_ need to "de-thread" anyway, > and if we need to make that explicit (with the vfork()) then that's > fine.
ok. libpthreads uses an internal clone() for posix_spawn() [which does what your example illustrates] which should be a tad faster than vfork() - but vfork() should work just as well.
Ingo
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