4 ms·

Thanks. Do you know what the knock-on effects are of disabling exceptions in modern C++? Are there parts of the language or standard library that won’t work wit

by pansa2 7y ago

Thanks. Do you know what the knock-on effects are of disabling exceptions in modern C++? Are there parts of the language or standard library that won’t work without exceptions?

paulddraper 7y ago
The standard library uses exceptions, but in ways that are avoidable. Not using exceptions does necessitate avoiding the `new` operator, or allowing your program to terminate on OOM. [1] https://stackoverflow.com/questions/37700365/if-youre-in-the-we-dont-use-exceptions-camp-then-how-do-you-use-the-standar https://stackoverflow.com/questions/37700365/if-youre-in-the... [2] https://news.ycombinator.com/item?id=13354027 https://news.ycombinator.com/item?id=13354027
- kabdib 7y ago
  Many of the large C++ projects I've been on are exceptionless, but do throw an OOM exception which is caught at a very high level. That's usually the point where a crashdump is taken and some other forensics are gathered; a decent strategy is to freeze threads (if you can), release some reserve memory and try to gather evidence. Doesn't always work . . .
  - paulddraper 7y ago
    Some "exceptionless" projects actually disable exceptions entirely via compiler flag.