From d801e7c483cdb5304b1df7e2e78271dc8082a795 Mon Sep 17 00:00:00 2001
From: Tomoaki Kawada <kawada@kmckk.co.jp>
Date: Tue, 28 Mar 2023 06:13:51 +0900
Subject: [PATCH] Implement `Send` and `Sync` for `SpinMutexGuard` (#143)

This commit restores the auto trait implementations that have been
removed in commit 6eea725e8.
---
 src/mutex/spin.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mutex/spin.rs b/src/mutex/spin.rs
index 990af95..fc97472 100644
--- a/src/mutex/spin.rs
+++ b/src/mutex/spin.rs
@@ -87,6 +87,9 @@ pub struct SpinMutexGuard<'a, T: ?Sized + 'a> {
 unsafe impl<T: ?Sized + Send, R> Sync for SpinMutex<T, R> {}
 unsafe impl<T: ?Sized + Send, R> Send for SpinMutex<T, R> {}
 
+unsafe impl<T: ?Sized + Sync> Sync for SpinMutexGuard<'_, T> {}
+unsafe impl<T: ?Sized + Send> Send for SpinMutexGuard<'_, T> {}
+
 impl<T, R> SpinMutex<T, R> {
     /// Creates a new [`SpinMutex`] wrapping the supplied data.
     ///