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From Nick Kew <n...@webthing.com>
Subject setjmp/longjmp vs try/throw/catch
Date Mon, 19 Jul 2004 23:54:02 GMT

I have a couple of modules using third-party libraries that require me
to supply an "abort" function (or they'll abort by exiting).
For example, libjpeg in my mod_jpeg.

My preferred approach to this situation is usually to resort to C++,
put my code in a try/catch loop, and provide an abort handler that
throws an exception.  However, this doesn't play well with Apache,
and when I run it in gdb, the throw appears to generate an Abort.

Switching to setjmp/longjmp does appear to work well with apache and gcc.
But that leaves me wondering if I need to worry about thread-safety.
Is using setjmp/longjmp with Worker or Windoze MPM asking for trouble?
And if so, is there an alternative approach I could try?

-- 
Nick Kew

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