From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 third_party/rust/parking_lot/src/util.rs | 39 ++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 third_party/rust/parking_lot/src/util.rs

(limited to 'third_party/rust/parking_lot/src/util.rs')

diff --git a/third_party/rust/parking_lot/src/util.rs b/third_party/rust/parking_lot/src/util.rs
new file mode 100644
index 0000000000..19cc2c2129
--- /dev/null
+++ b/third_party/rust/parking_lot/src/util.rs
@@ -0,0 +1,39 @@
+// Copyright 2016 Amanieu d'Antras
+//
+// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
+// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
+// http://opensource.org/licenses/MIT>, at your option. This file may not be
+// copied, modified, or distributed except according to those terms.
+
+use instant::Instant;
+use std::time::Duration;
+
+// Option::unchecked_unwrap
+pub trait UncheckedOptionExt<T> {
+    unsafe fn unchecked_unwrap(self) -> T;
+}
+
+impl<T> UncheckedOptionExt<T> for Option<T> {
+    #[inline]
+    unsafe fn unchecked_unwrap(self) -> T {
+        match self {
+            Some(x) => x,
+            None => unreachable(),
+        }
+    }
+}
+
+// hint::unreachable_unchecked() in release mode
+#[inline]
+unsafe fn unreachable() -> ! {
+    if cfg!(debug_assertions) {
+        unreachable!();
+    } else {
+        core::hint::unreachable_unchecked()
+    }
+}
+
+#[inline]
+pub fn to_deadline(timeout: Duration) -> Option<Instant> {
+    Instant::now().checked_add(timeout)
+}
-- 
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