From f6ad4dcef54c5ce997a4bad5a6d86de229015700 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:25:22 +0200 Subject: Adding upstream version 1.22.1. Signed-off-by: Daniel Baumann --- .../cgo/internal/testsanitizers/testdata/tsan7.go | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 src/cmd/cgo/internal/testsanitizers/testdata/tsan7.go (limited to 'src/cmd/cgo/internal/testsanitizers/testdata/tsan7.go') diff --git a/src/cmd/cgo/internal/testsanitizers/testdata/tsan7.go b/src/cmd/cgo/internal/testsanitizers/testdata/tsan7.go new file mode 100644 index 0000000..2fb9e45 --- /dev/null +++ b/src/cmd/cgo/internal/testsanitizers/testdata/tsan7.go @@ -0,0 +1,40 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package main + +// Setting an environment variable in a cgo program changes the C +// environment. Test that this does not confuse the race detector. + +/* +#cgo CFLAGS: -fsanitize=thread +#cgo LDFLAGS: -fsanitize=thread +*/ +import "C" + +import ( + "fmt" + "os" + "sync" + "time" +) + +func main() { + var wg sync.WaitGroup + var mu sync.Mutex + f := func() { + defer wg.Done() + for i := 0; i < 100; i++ { + time.Sleep(time.Microsecond) + mu.Lock() + s := fmt.Sprint(i) + os.Setenv("TSAN_TEST"+s, s) + mu.Unlock() + } + } + wg.Add(2) + go f() + go f() + wg.Wait() +} -- cgit v1.2.3