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path: root/src/runtime/race/testdata/finalizer_test.go
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Diffstat (limited to 'src/runtime/race/testdata/finalizer_test.go')
-rw-r--r--src/runtime/race/testdata/finalizer_test.go67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/runtime/race/testdata/finalizer_test.go b/src/runtime/race/testdata/finalizer_test.go
new file mode 100644
index 000000000..222cbf67a
--- /dev/null
+++ b/src/runtime/race/testdata/finalizer_test.go
@@ -0,0 +1,67 @@
+// Copyright 2012 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 race_test
+
+import (
+ "runtime"
+ "sync"
+ "testing"
+ "time"
+)
+
+func TestNoRaceFin(t *testing.T) {
+ c := make(chan bool)
+ go func() {
+ x := new(string)
+ runtime.SetFinalizer(x, func(x *string) {
+ *x = "foo"
+ })
+ *x = "bar"
+ c <- true
+ }()
+ <-c
+ runtime.GC()
+ time.Sleep(100 * time.Millisecond)
+}
+
+var finVar struct {
+ sync.Mutex
+ cnt int
+}
+
+func TestNoRaceFinGlobal(t *testing.T) {
+ c := make(chan bool)
+ go func() {
+ x := new(string)
+ runtime.SetFinalizer(x, func(x *string) {
+ finVar.Lock()
+ finVar.cnt++
+ finVar.Unlock()
+ })
+ c <- true
+ }()
+ <-c
+ runtime.GC()
+ time.Sleep(100 * time.Millisecond)
+ finVar.Lock()
+ finVar.cnt++
+ finVar.Unlock()
+}
+
+func TestRaceFin(t *testing.T) {
+ c := make(chan bool)
+ y := 0
+ go func() {
+ x := new(string)
+ runtime.SetFinalizer(x, func(x *string) {
+ y = 42
+ })
+ c <- true
+ }()
+ <-c
+ runtime.GC()
+ time.Sleep(100 * time.Millisecond)
+ y = 66
+}