Hey Pau,
2010/11/4 Pau Garcia i Quiles <[email protected]>
> Hello,
>
> It'd be nice if it showed an error and aborted cleanly instead of
> segfaulting.
>
> However, at this stage, Wt cannot do anything to avoid segfaults: if I
> try to write to some file and my code does not catch exceptions or
> check the return code from the ofstream, the application will
> segfault. It'd be easy to modify the example to catch the exception
> and show some useful message like "docroot is not writable".
>
AFAIK, uncaught exceptions results in call of std::terminate(), which calls
abort() by default. I believe that segmentation fault - is a program error.
> Ideally, libwt would be able to intercept fopen, fwrite, etc in libc
> and redirect them to the docroot directory. Some LD_PRELOAD (Unix) or
> SetWindowHookEx (Windows) magic would be needed for that. This would
> be a very nice Summer of Code project, in my opinion.
>
Yeah! I like this idea indeed!
>
> On Thu, Nov 4, 2010 at 7:46 PM, Dmitriy Igrishin <[email protected]>
> wrote:
> > Hey John and Pau,
> >
> > I think, that it should warn about it aborting with a message
> > "Directory is not writable". But finishing with just segmentation
> > fault seems to me bad.
> > Pau can we do something with it ?
> >
> > 2010/11/4 Pau Garcia i Quiles <[email protected]>
> >>
> >> Hello,
> >>
> >> It's because /usr/share/doc/libwt-doc/examples/charts is not writable
> >> by user 'john'. Try running the example with 'sudo', or copying
> >> /usr/share/doc/libwt-doc/examples/charts to some other place where you
> >> have write permissions.
> >>
> >> On Thu, Nov 4, 2010 at 6:44 PM, John Robson <[email protected]> wrote:
> >> > Lately I'm having this error.
> >> >
> >> > j...@desktop:/usr/share/doc/libwt-doc/examples/charts$
> >> > /home/john/Tmp/examples/charts/charts.wt --http-port 10000 --http-addr
> >> > 0.0.0.0 --docroot .
> >> > [2010-Nov-04 15:34:44.011235] 10637 - [notice] "Wt: initializing
> >> > built-in httpd"
> >> > [2010-Nov-04 15:34:44.011371] 10637 - [notice] "Reading Wt config
> >> > file: /etc/wt/wt_config.xml (location =
> >> > '/home/john/Tmp/examples/charts/charts.wt')"
> >> > Segmentation fault
> >> >
> >> > Does anyone know how to solve?
> >> >
> >> > Tks,
> >> > John
> >> >
> >> >
> >> >
> >> >
> ------------------------------------------------------------------------------
> >> > The Next 800 Companies to Lead America's Growth: New Video Whitepaper
> >> > David G. Thomson, author of the best-selling book "Blueprint to a
> >> > Billion" shares his insights and actions to help propel your
> >> > business during the next growth cycle. Listen Now!
> >> > http://p.sf.net/sfu/SAP-dev2dev
> >> > _______________________________________________
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> >> >
> >>
> >>
> >>
> >> --
> >> Pau Garcia i Quiles
> >> http://www.elpauer.org
> >> (Due to my workload, I may need 10 days to answer)
> >>
> >>
> >>
> ------------------------------------------------------------------------------
> >> The Next 800 Companies to Lead America's Growth: New Video Whitepaper
> >> David G. Thomson, author of the best-selling book "Blueprint to a
> >> Billion" shares his insights and actions to help propel your
> >> business during the next growth cycle. Listen Now!
> >> http://p.sf.net/sfu/SAP-dev2dev
> >> _______________________________________________
> >> witty-interest mailing list
> >> [email protected]
> >> https://lists.sourceforge.net/lists/listinfo/witty-interest
> >
> >
> >
> > --
> > // Dmitriy.
> >
> >
> >
> >
> ------------------------------------------------------------------------------
> > The Next 800 Companies to Lead America's Growth: New Video Whitepaper
> > David G. Thomson, author of the best-selling book "Blueprint to a
> > Billion" shares his insights and actions to help propel your
> > business during the next growth cycle. Listen Now!
> > http://p.sf.net/sfu/SAP-dev2dev
> > _______________________________________________
> > witty-interest mailing list
> > [email protected]
> > https://lists.sourceforge.net/lists/listinfo/witty-interest
> >
> >
>
>
>
> --
> Pau Garcia i Quiles
> http://www.elpauer.org
> (Due to my workload, I may need 10 days to answer)
>
>
> ------------------------------------------------------------------------------
> The Next 800 Companies to Lead America's Growth: New Video Whitepaper
> David G. Thomson, author of the best-selling book "Blueprint to a
> Billion" shares his insights and actions to help propel your
> business during the next growth cycle. Listen Now!
> http://p.sf.net/sfu/SAP-dev2dev
> _______________________________________________
> witty-interest mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/witty-interest
>
--
// Dmitriy.
------------------------------------------------------------------------------
The Next 800 Companies to Lead America's Growth: New Video Whitepaper
David G. Thomson, author of the best-selling book "Blueprint to a
Billion" shares his insights and actions to help propel your
business during the next growth cycle. Listen Now!
http://p.sf.net/sfu/SAP-dev2dev
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