[Bug libstdc++/103382] condition_variable::wait() is not cancellable because it is marked noexcept

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103382

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Yes, it's just a lot of work to implement correctly, and non-zero overhead to
change the cancellation state.