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Re: [libc-alpha] Fwd: Re: C++ and pthread_create()
- From: <terekhov at web dot de>
- To: "KazKylheku" <kaz at ashi dot footprints dot net>, "AlexanderTerekhov" <terekhov at web dot de>
- Cc: libc-alpha at sources dot redhat dot com
- Date: Fri, 15 Feb 2002 15:54:35 +0100
- Subject: Re: [libc-alpha] Fwd: Re: C++ and pthread_create()
- Organization: http://freemail.web.de/
Kaz Kylheku <firstname.lastname@example.org> schrieb am 14.02.02:
> > http://groups.google.com/groups?as_umsgid=DEta8.55%241h5.204%40news.cpqcorp.net
> > "...I think any implementation that doesn't build
> > cancelation (and thread exit) on top of a pervasive
> > common exception infrastructure is broken to the point
> > of being unusable. Nevertheless, the standard doesn't
> > (and can't) require a correct implementation, so those
> > who do it wrong can get away with it as long as their
> > users allow them to. ..."
> I seem to remember Dave writing something similar before. I agree.
> In a given programming environment, there should be a single, unified
> mechanism for handling non-local transfers of control with unwinding.
> Everything else should map to that: thread cleanup handlers in C,
> setjmp/longjmp, C++ try/catch and similar features in other languages.
Uhmm.. I am not sure with respect to "jumps"... consider:
"ISO/IEC 14882:1998(E), Pg 347:
'The function signature longjmp(jmp_buf jbuf, int val)
has more restricted behavior in this International
Standard. If any automatic objects would be destroyed
by a thrown exception transferring control to another
(destination) point in the program, then a call to
longjmp( jbuf, val) at the throw point that transfers
control to the same (destination) point has
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