From 47ab3d4a42e9ab51c465c4322d2ec233f6324e6b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:16:40 +0200 Subject: Adding upstream version 1.18.10. Signed-off-by: Daniel Baumann --- misc/cgo/testsanitizers/testdata/tsan.go | 44 ++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 misc/cgo/testsanitizers/testdata/tsan.go (limited to 'misc/cgo/testsanitizers/testdata/tsan.go') diff --git a/misc/cgo/testsanitizers/testdata/tsan.go b/misc/cgo/testsanitizers/testdata/tsan.go new file mode 100644 index 0000000..6c377a7 --- /dev/null +++ b/misc/cgo/testsanitizers/testdata/tsan.go @@ -0,0 +1,44 @@ +// Copyright 2015 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 + +// This program produced false race reports when run under the C/C++ +// ThreadSanitizer, as it did not understand the synchronization in +// the Go code. + +/* +#cgo CFLAGS: -fsanitize=thread +#cgo LDFLAGS: -fsanitize=thread + +int val; + +int getVal() { + return val; +} + +void setVal(int i) { + val = i; +} +*/ +import "C" + +import ( + "runtime" +) + +func main() { + runtime.LockOSThread() + C.setVal(1) + c := make(chan bool) + go func() { + runtime.LockOSThread() + C.setVal(2) + c <- true + }() + <-c + if v := C.getVal(); v != 2 { + panic(v) + } +} -- cgit v1.2.3