All Questions
Tagged with stack-unwinding rust
4 questions
5
votes
1
answer
737
views
Why does `*mut T` implement `Unwindsafe` but `&mut T` doesn't?
In the documentation for Unwindsafe we have:
Types such as &mut T and &RefCell<T> are examples which are not unwind safe. The general idea is that any mutable state which can be ...
- 1,654
10
votes
0
answers
3k
views
Is it possible to unwind on panic in `#![no_std]` mode?
Is it possible to unwind on panic in #![no_std] mode, e.g. with a customized #[panic_handler]?
- 6,235
24
votes
3
answers
3k
views
How does Rust know whether to run the destructor during stack unwind?
The documentation for mem::uninitialized points out why it is dangerous/unsafe to use that function: calling drop on uninitialized memory is undefined behavior.
So this code should be, I believe, ...
- 3,710
15
votes
2
answers
5k
views
Catching panic! when Rust called from C FFI, without spawning threads
I'm working on a Rust wrapper for the Duktape JavaScript interpreter. In a normal use case, the call stack will look like this:
Rust: Arbitrary application code.
Rust: My library wrapper.
C: The ...
- 60.9k