Message-ID: <973873.47092.qm@web25504.mail.ukl.yahoo.com>
Date: Wed, 30 Jun 2010 13:22:45 +0000 (GMT)
From: Marco Atzeri <marco_atzeri AT yahoo DOT it>
Subject: R: Exception handling: cannot correctly catch the exception
To: cygwin AT cygwin DOT com, Dmitry Katsubo <dma_k AT mail DOT ru>
In-Reply-To: <533672.29964.qm@web25505.mail.ukl.yahoo.com>
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--- Mer 30/6/10, Marco Atzeri  ha scritto:

> --- Mer 30/6/10, Dmitry Katsubo=A0
> ha scritto:
>=20
> > Dear CygWin users & developers!
> >=20
> > 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:
> >=20
> > C:\test\bugs\cygwin_exception_test>
> > cygwin_exception_test.exe
> > terminate called after throwing an instance of
> > 'Magick::ErrorFileOpen'
> > =A0 what():=A0 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)
> > =A0 =A0 =A0 1 [sig] cygwin_exception_test 9488
> > open_stackdumpfile: Dumping
> > stack trace to cygwin_exception_test.exe.stackdump
> >=20
> > For Debian it works as expected:
> >=20
> > root AT debian:~/test/bugs/cygwin_exception_test#
> > ./cygwin_exception_test
> > Cannot open file 'aaaa'
> >=20
> > Or is it a GCC-specific problem? Any workarounds?
> >=20
> > 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
>=20
>=20
> GraphicsMagick is built with gcc-4,
> so you should test gcc-4 and not gcc-3.
> Gcc-3 dosn't work with C++ exception=20

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

>=20
> >=20
> > --=20
> > With best regards,
> > Dmitry
>=20
> Regards
> Marco
>=20


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