[Haskell-cafe] C++ exception (from *.so) catchable by Haskell??
nick.rudnick at gmail.com
Thu Feb 13 11:43:51 UTC 2014
after trying around a while this seems to be a good question for
Haskell-cafe to me: Is somewhere a place (e.g. some Hackage package) where
intercepting exceptions from C++ library code is done, so one can look
*how* it is done?
Generally, it is the following:
1) Injecting code that throws a an exception in C++ library code, e.g.,
2) then, I tried out everything in reach (Haskell docs, Hackage interfaces
to C++ considered to be well-done) to get it caught (try, catch, bracket,
finally; various exception types; forkOS).
3) To my surprise, every time the output stays the same:
terminate called after throwing an instance of 'std::runtime_error'
Is it possible at all to get a grip of this? Is there some place where it
is done? Does the terminate call already happen with the C++ execution?
Any comment welcome, cheers, Nick
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