Interleaving pthread_cleanups in C and C++

Fergus Henderson fjh@cs.mu.OZ.AU
Sun May 4 02:58:00 GMT 2003


On 03-May-2003, Mark Mitchell <mark@codesourcery.com> wrote:
> My position is that:
> 
> (1) pthread cancellation should be just an ordinary exception -- not
>     "forced unwinding".  That should be reserved for longjmp_unwind.
> 
> (2) Any exception passing through C code should run pthread_cleanup_push
>     cleanups.
> 
> I think (1) is the clear consensus position among the C++ people who
> have commented.

I'm not sure if I count as a C++ person, but I don't agree with (1).

I'm not sure exactly what you mean by "forced unwinding".
But I think C++ exception handlers should not be allowed to
swallow pthread cancellation exceptions.

-- 
Fergus Henderson <fjh@cs.mu.oz.au>  |  "I have always known that the pursuit
The University of Melbourne         |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.



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