From 951d2c657da75d5aad09719e89987e1e1a43bbb4 Mon Sep 17 00:00:00 2001
From: hopehook <hopehook.com@gmail.com>
Date: Thu, 25 Aug 2022 09:42:30 +0800
Subject: runtime: convert g.selectDone to atomic type

On the write side, g.selectDone has been converted
from non-atomic to atomic access.

For #53821.

Change-Id: Iac46bc6acce7eed51dfd990285dd57f0d58b4ae2
Reviewed-on: https://go-review.googlesource.com/c/go/+/425414
Run-TryBot: hopehook <hopehook@qq.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
---
 src/runtime/select.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/runtime/select.go')

diff --git a/src/runtime/select.go b/src/runtime/select.go
index 2dd6333fa7..1072465365 100644
--- a/src/runtime/select.go
+++ b/src/runtime/select.go
@@ -329,7 +329,7 @@ func selectgo(cas0 *scase, order0 *uint16, pc0 *uintptr, nsends, nrecvs int, blo
 
 	sellock(scases, lockorder)
 
-	gp.selectDone = 0
+	gp.selectDone.Store(0)
 	sg = (*sudog)(gp.param)
 	gp.param = nil
 
-- 
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