[PATCH] thread cancellation via C++ exception

[Boris Kolpackov]

Ulrich Drepper <drepper at redhat.com> writes:


> This is not only not going to be added to glibc,

No illusions about that.


> it's also not guaranteed to work (probably doesn't work today) and 
> can break in interesting ways at any time.

Are you talking about my patch or about the idea of finalizing 
the exception?


> Cancellation, as the word already suggests, is final.  There mustn't be
> any catch without rethrow.  The thread library does, and will probably
> even more so in future, alter the state of the library once a thread is
> canceled and this is not reversible.

Agree. My patch prevents exception finalization in about the same way as
the original nptl code does.


-boris
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