diff options
Diffstat (limited to 'src/handle_unwind.rs')
| -rw-r--r-- | src/handle_unwind.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/handle_unwind.rs b/src/handle_unwind.rs index 220d379..42b6fc5 100644 --- a/src/handle_unwind.rs +++ b/src/handle_unwind.rs @@ -1,6 +1,9 @@ use std::panic::{catch_unwind, resume_unwind, AssertUnwindSafe}; -/// Runs `try_fn`. If it unwinds, it will run `catch` and then continue unwinding +/// Runs `try_fn`. If it unwinds, it will run `catch` and then continue +/// unwinding. This is used instead of `scopeguard` to ensure the `catch` +/// function doesn't run if the thread is already panicking. The unwind +/// must specifically be caused by the `try_fn` pub fn handle_unwind<R, F: FnOnce() -> R, G: FnOnce()>(try_fn: F, catch: G) -> R { let try_fn = AssertUnwindSafe(try_fn); catch_unwind(try_fn).unwrap_or_else(|e| { |