From 2d85e87f08c325f8be869718c4ac0d7c069161c0 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <iant@golang.org>
Date: Tue, 2 Aug 2016 11:42:53 -0700
Subject: runtime/cgo: add tsan acquire/release around setenv/unsetenv

Change-Id: Iabb25e97714d070c31c657559a97a3bfc979da18
Reviewed-on: https://go-review.googlesource.com/25403
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
---
 src/runtime/cgo/gcc_setenv.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/runtime')

diff --git a/src/runtime/cgo/gcc_setenv.c b/src/runtime/cgo/gcc_setenv.c
index 8708d400ef..ed5d203fb0 100644
--- a/src/runtime/cgo/gcc_setenv.c
+++ b/src/runtime/cgo/gcc_setenv.c
@@ -13,12 +13,16 @@
 void
 x_cgo_setenv(char **arg)
 {
+	_cgo_tsan_acquire();
 	setenv(arg[0], arg[1], 1);
+	_cgo_tsan_release();
 }
 
 /* Stub for calling unsetenv */
 void
 x_cgo_unsetenv(char *arg)
 {
+	_cgo_tsan_acquire();
 	unsetenv(arg);
+	_cgo_tsan_release();
 }
-- 
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