diff options
Diffstat (limited to 'src/test/ui/panics/panic-handler-chain-update-hook.rs')
-rw-r--r-- | src/test/ui/panics/panic-handler-chain-update-hook.rs | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/test/ui/panics/panic-handler-chain-update-hook.rs b/src/test/ui/panics/panic-handler-chain-update-hook.rs new file mode 100644 index 000000000..4dd08ba4a --- /dev/null +++ b/src/test/ui/panics/panic-handler-chain-update-hook.rs @@ -0,0 +1,36 @@ +// run-pass +// needs-unwind +#![allow(stable_features)] + +// ignore-emscripten no threads support + +#![feature(std_panic)] +#![feature(panic_update_hook)] + +use std::sync::atomic::{AtomicUsize, Ordering}; +use std::panic; +use std::thread; + +static A: AtomicUsize = AtomicUsize::new(0); +static B: AtomicUsize = AtomicUsize::new(0); +static C: AtomicUsize = AtomicUsize::new(0); + +fn main() { + panic::set_hook(Box::new(|_| { A.fetch_add(1, Ordering::SeqCst); })); + panic::update_hook(|prev, info| { + B.fetch_add(1, Ordering::SeqCst); + prev(info); + }); + panic::update_hook(|prev, info| { + C.fetch_add(1, Ordering::SeqCst); + prev(info); + }); + + let _ = thread::spawn(|| { + panic!(); + }).join(); + + assert_eq!(1, A.load(Ordering::SeqCst)); + assert_eq!(1, B.load(Ordering::SeqCst)); + assert_eq!(1, C.load(Ordering::SeqCst)); +} |