Re: C exception code

Oh, well.  At least I asked.  :-)


> 
> > Are we interested in adding Try/Catch exception code to PostgreSQL. 
> > This looks interesting:
> > 
> >     http://www.cs.berkeley.edu/~amc/cexcept/
> 
> IMHO using the C pre-processor to make C look like some other language:
> 
> - makes the code harder to read as readers have to learn the dialect
>   first
> 
> - makes the code harder to debug, since debugging tools don't know the
>   dialect but only the C it is translated into
> 
> This exception implementation has the obvious(?) problem of using
> setjump()/longjmp() where sigsetjmp()/siglongjmp() would probably be
> necessary for postgresql.
> 
> There are places too where this implementation would just plain not
> work and so couldn't be used: setjmp(), longjmp(), sigsetjump(), and
> siglongjmp() are not async safe signal functions and so can't be
> called in signal handlers, for a start.
> 
> Regards,
> 
> Giles
> 
> 
> 
> 


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