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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
commit73df946d56c74384511a194dd01dbe099584fd1a (patch)
treefd0bcea490dd81327ddfbb31e215439672c9a068 /misc/cgo/testsanitizers/testdata/tsan4.go
parentInitial commit. (diff)
downloadgolang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.tar.xz
golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.zip
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'misc/cgo/testsanitizers/testdata/tsan4.go')
-rw-r--r--misc/cgo/testsanitizers/testdata/tsan4.go34
1 files changed, 34 insertions, 0 deletions
diff --git a/misc/cgo/testsanitizers/testdata/tsan4.go b/misc/cgo/testsanitizers/testdata/tsan4.go
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+++ b/misc/cgo/testsanitizers/testdata/tsan4.go
@@ -0,0 +1,34 @@
+// 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
+
+// Check that calls to C.malloc/C.free do not trigger TSAN false
+// positive reports.
+
+// #cgo CFLAGS: -fsanitize=thread
+// #cgo LDFLAGS: -fsanitize=thread
+// #include <stdlib.h>
+import "C"
+
+import (
+ "runtime"
+ "sync"
+)
+
+func main() {
+ var wg sync.WaitGroup
+ for i := 0; i < 10; i++ {
+ wg.Add(1)
+ go func() {
+ defer wg.Done()
+ for i := 0; i < 100; i++ {
+ p := C.malloc(C.size_t(i * 10))
+ runtime.Gosched()
+ C.free(p)
+ }
+ }()
+ }
+ wg.Wait()
+}