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From: Jonathan Wakely (cow_at_[hidden])
Date: 2005-08-03 06:11:59

Alexander Terekhov wrote:

> Jonathan Wakely wrote:
> >
> > Pthreads knows nothing about exceptions,
> That's not true.
> "The pthread_once() function is not a cancellation point. However, if
> init_routine is a cancellation point and is canceled, the effect on
> once_control shall be as if pthread_once() was never called."

Yep, that's what I referred to in my mail.

> "Note that the specified cleanup handling mechanism is especially tied
> to the C language and, while the requirement for a uniform mechanism
> for expressing cleanup is language-independent, the mechanism used in
> other languages may be quite different. In addition, this mechanism
> is really only necessary due to the lack of a real exception
> mechanism in the C language, which would be the ideal solution."

Good point, but as you know, it's not settled whether cancellation is
a C++ exception ... but let's not start this on the Boost list as well,
I have other mailboxes for that subject! :)


"Accept the contradictions"
	- The KLF

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