From 972cc3e7c2c0a14fe2c88fc4264f293fc045745f Mon Sep 17 00:00:00 2001
From: go101 <tapir.liu@gmail.com>
Date: Tue, 5 Sep 2023 03:53:29 +0000
Subject: [PATCH] testing: add doc to not call Init concurrently

Change-Id: I2e218805fbe4858be125df97bdaf921799315799
GitHub-Last-Rev: 32b798d75f7ec0f72e18a65932ad93d8e5f1040a
GitHub-Pull-Request: golang/go#62410
Reviewed-on: https://go-review.googlesource.com/c/go/+/525015
Auto-Submit: Ian Lance Taylor <iant@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
---
 src/testing/testing.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/testing/testing.go b/src/testing/testing.go
index fcf7048f234..1bc8aff00d1 100644
--- a/src/testing/testing.go
+++ b/src/testing/testing.go
@@ -398,7 +398,7 @@ var initRan bool
 // the "go test" command before running test functions, so Init is only needed
 // when calling functions such as Benchmark without using "go test".
 //
-// Init has no effect if it was already called.
+// Init is not safe to call concurrently. It has no effect if it was already called.
 func Init() {
 	if initRan {
 		return