From: cuiweixie <cuiweixie@gmail.com>
Date: Fri, 2 Sep 2022 02:31:34 +0000 (+0800)
Subject: runtime: convert local var ready at TestMemmoveAtomicity to atomic type
X-Git-Tag: go1.20rc1~1219
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=7d83d320c0c290a259fa9dcf9ecfb3e0402be30c;p=gostls13.git

runtime: convert local var ready at TestMemmoveAtomicity to atomic type

For #53821

Change-Id: I2487b8d18a4cd3fc6e64fbbb531419812bfe0f08
Reviewed-on: https://go-review.googlesource.com/c/go/+/427136
Run-TryBot: xie cui <523516579@qq.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
---

diff --git a/src/runtime/memmove_test.go b/src/runtime/memmove_test.go
index 382920bde6..f1247f6ddf 100644
--- a/src/runtime/memmove_test.go
+++ b/src/runtime/memmove_test.go
@@ -244,23 +244,23 @@ func TestMemmoveAtomicity(t *testing.T) {
 					dst[i] = nil
 				}
 
-				var ready uint32
+				var ready atomic.Uint32
 				go func() {
 					sp := unsafe.Pointer(&src[0])
 					dp := unsafe.Pointer(&dst[0])
-					atomic.StoreUint32(&ready, 1)
+					ready.Store(1)
 					for i := 0; i < 10000; i++ {
 						Memmove(dp, sp, sz)
 						MemclrNoHeapPointers(dp, sz)
 					}
-					atomic.StoreUint32(&ready, 2)
+					ready.Store(2)
 				}()
 
-				for atomic.LoadUint32(&ready) == 0 {
+				for ready.Load() == 0 {
 					Gosched()
 				}
 
-				for atomic.LoadUint32(&ready) != 2 {
+				for ready.Load() != 2 {
 					for i := range dst {
 						p := dst[i]
 						if p != nil && p != &x {