Re: unexpected exception handler

From:
"Ben Voigt [C++ MVP]" <rbv@nospam.nospam>
Newsgroups:
microsoft.public.vc.language
Date:
Wed, 9 Jan 2008 08:45:39 -0600
Message-ID:
<et7iA4sUIHA.2000@TK2MSFTNGP05.phx.gbl>
"George" <George@discussions.microsoft.com> wrote in message
news:EFDBBBF5-2152-4B57-A1F8-2173E66DE027@microsoft.com...

Good point, Ben!

For the file stream I/O related (file stream read, write, seek, etc.), in
STL, are there any general base exception class which we could catch to
make
code at least could be notified such errors?


Exceptions outside software control are all OS exceptions, you can set up
handlers using __try/__catch/__finally SEH keywords or you can use the
set_se_translator function to convert these into a C++ exception type of
your choosing.

regards,
George

"Ben Voigt [C++ MVP]" wrote:

You sound as if exceptions just happen unpredictably, like earthquakes
or
tornadoes. Computers are deterministic state machines. Exceptions don't
occur at random, they are thrown by some piece of code in your
application. You are basically saying that you have no idea what your


That's not accurate. Computers have a lot of non-determinism. Some,
like
timing of hardware I/O, the software should expect and process without
exceptions. Others, like network or disk checksum failures, the software
should expect and may generate exceptions for internal flow control. But
yet others, like memory bit errors, could occur asynchronously and are
reported by a exception generated by hardware, randomly and from the
level
of abstraction of application software, perfectly so.

code is doing. That's not a good way to develop software.
--
With best wishes,
   Igor Tandetnik

With sufficient thrust, pigs fly just fine. However, this is not
necessarily a good idea. It is hard to be sure where they are going to
land, and it could be dangerous sitting under them as they fly
overhead. -- RFC 1925

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