diff options
| -rw-r--r-- | src/runtime/race/testdata/mutex_test.go | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/runtime/race/testdata/mutex_test.go b/src/runtime/race/testdata/mutex_test.go index cbed2d370c..9dbed9a2c9 100644 --- a/src/runtime/race/testdata/mutex_test.go +++ b/src/runtime/race/testdata/mutex_test.go @@ -78,16 +78,23 @@ func TestNoRaceMutexPureHappensBefore(t *testing.T) { var mu sync.Mutex var x int16 = 0 _ = x + written := false ch := make(chan bool, 2) go func() { x = 1 mu.Lock() + written = true mu.Unlock() ch <- true }() go func() { - <-time.After(1e5) + time.Sleep(100 * time.Microsecond) mu.Lock() + for !written { + mu.Unlock() + time.Sleep(100 * time.Microsecond) + mu.Lock() + } mu.Unlock() x = 1 ch <- true |