From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../rust/interrupt-support/src/interruptee.rs | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 third_party/rust/interrupt-support/src/interruptee.rs (limited to 'third_party/rust/interrupt-support/src/interruptee.rs') diff --git a/third_party/rust/interrupt-support/src/interruptee.rs b/third_party/rust/interrupt-support/src/interruptee.rs new file mode 100644 index 0000000000..3ee6eadfe6 --- /dev/null +++ b/third_party/rust/interrupt-support/src/interruptee.rs @@ -0,0 +1,29 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public +License, v. 2.0. If a copy of the MPL was not distributed with this +* file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +use crate::Interrupted; + +/// Represents the state of something that may be interrupted. Decoupled from +/// the interrupt mechanics so that things which want to check if they have been +/// interrupted are simpler. +pub trait Interruptee { + fn was_interrupted(&self) -> bool; + + fn err_if_interrupted(&self) -> Result<(), Interrupted> { + if self.was_interrupted() { + return Err(Interrupted); + } + Ok(()) + } +} + +/// A convenience implementation, should only be used in tests. +pub struct NeverInterrupts; + +impl Interruptee for NeverInterrupts { + #[inline] + fn was_interrupted(&self) -> bool { + false + } +} -- cgit v1.2.3