Function clear_user_signal

crates/stdlib/src/faulthandler.rs:1030–1041

(signum: usize)

        }

        pub fn clear_user_signal(signum: usize) -> Option<UserSignal> {
            let mut guard = USER_SIGNALS.lock();
            if let Some(ref mut v) = *guard
                && signum < v.len()
                && v[signum].enabled
            {
                let old = v[signum];
                v[signum] = UserSignal::default();
                return Some(old);
            }
            None
        }

        pub fn is_enabled(signum: usize) -> bool {
            let guard = USER_SIGNALS.lock();