R: Exception handling: cannot correctly catch the exception

[Marco Atzeri <marco_atzeri at yahoo dot it>]

--- Mer 30/6/10, Marco Atzeri  ha scritto:

> --- Mer 30/6/10, Dmitry Katsubo?
> ha scritto:
> 
> > Dear CygWin users & developers!
> > 
> > Please, give me a hint, how to deal with the
> following
> > problem
> > correctly. I have some code, that calls
> GraphicsMagick
> > function and I
> > want to catch the exception thrown. Unfortunately,
> this
> > does not happen,
> > when I compile the code with CygWin:
> > 
> > C:\test\bugs\cygwin_exception_test>
> > cygwin_exception_test.exe
> > terminate called after throwing an instance of
> > 'Magick::ErrorFileOpen'
> > ? what():? Magick: Unable to open file (aaaa)
> > reported by
> >
> /pub/cygports/graphicksmagick/GraphicsMagick-1.3.7-2/src/GraphicsMagick-1.3.7/magick/constitute.c:8268
> > (ReadImage)
> > ? ? ? 1 [sig] cygwin_exception_test 9488
> > open_stackdumpfile: Dumping
> > stack trace to cygwin_exception_test.exe.stackdump
> > 
> > For Debian it works as expected:
> > 
> > root@debian:~/test/bugs/cygwin_exception_test#
> > ./cygwin_exception_test
> > Cannot open file 'aaaa'
> > 
> > Or is it a GCC-specific problem? Any workarounds?
> > 
> > Additional information:
> > * Cygwin setup v2.697, gcc-g++-3.4.4-999,
> > libGraphicsMagick3-1.3.7-2
> > * Debian squeeze, gcc-4.4.4-5,
> > libgraphicsmagick++3-1.3.12-1
> 
> 
> GraphicsMagick is built with gcc-4,
> so you should test gcc-4 and not gcc-3.
> Gcc-3 dosn't work with C++ exception 

using g++-4 and latest libGraphicsMagick3-1.3.12-1

$ ./cygwin_exception_test.exe
Cannot open file 'aaaa'

So it is really only a problem of the right compiler

> 
> > 
> > -- 
> > With best regards,
> > Dmitry
> 
> Regards
> Marco
> 





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