From 676e32ad720b1d379f8168c2792133a34dc52bcb Mon Sep 17 00:00:00 2001
From: David Crawshaw <crawshaw@tailscale.com>
Date: Tue, 22 Jun 2021 12:46:21 -0700
Subject: [PATCH] syncs: add AtomicUint32

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
---
 syncs/syncs.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/syncs/syncs.go b/syncs/syncs.go
index f319f6489..46861af63 100644
--- a/syncs/syncs.go
+++ b/syncs/syncs.go
@@ -83,6 +83,17 @@ func (b *AtomicBool) Get() bool {
 	return atomic.LoadInt32((*int32)(b)) != 0
 }
 
+// AtomicUint32 is an atomic uint32.
+type AtomicUint32 uint32
+
+func (b *AtomicUint32) Set(v uint32) {
+	atomic.StoreUint32((*uint32)(b), v)
+}
+
+func (b *AtomicUint32) Get() uint32 {
+	return atomic.LoadUint32((*uint32)(b))
+}
+
 // Semaphore is a counting semaphore.
 //
 // Use NewSemaphore to create one.