ATOMIC_HELPER.putNext(this, next);
    }

    void unpark() {
      // This is racy with removeWaiter. The consequence of the race is that we may spuriously call
      // unpark even though the thread has already removed itself from the list. But even if we did
      // use a CAS, that race would still exist (it would just be ever so slightly smaller).
      Thread w = thread;
      if (w != null) {

//	-installsuffix suffix
//		a suffix to use in the name of the package installation directory,
//		in order to keep output separate from default builds.
//		If using the -race flag, the install suffix is automatically set to race
//		or, if set explicitly, has _race appended to it. Likewise for the -msan
//		and -asan flags. Using a -buildmode option that requires non-default compile
//		flags has a similar effect.

		return cur, false, false
	}
	if curNum == ControllerVersion {
		// We already manage this at this version
		// We will manage it, but no need to attempt to apply the version annotation, which could race with newer versions
		return cur, false, true
	}
	// We are either newer or the same version of the last owner - we can take over. We need to actually
	// re-apply the annotation
	return cur, true, true
}

- Fixed a data race in TopologyCache when `AddHints` and `SetNodes` are called concurrently. ([#117249](https://github.com/kubernetes/kubernetes/pull/117249), [@tnqn](https://github.com/tnqn)) [SIG Apps and Network]

func (n *Named) expandUnderlying() Type {
	check := n.check
	if check != nil && check.conf.Trace {
		check.trace(n.obj.pos, "-- Named.expandUnderlying %s", n)
		check.indent++
		defer func() {
			check.indent--
			check.trace(n.obj.pos, "=> %s (tparams = %s, under = %s)", n, n.tparams.list(), n.underlying)
		}()
	}

	assert(n.inst.orig.underlying != nil)

      // separate stream from the main compute stream. We must ensure the
      // compute stream is synchronized with the host->device transfer
      // stream now otherwise we will create a race condition.
      auto* gpu_device_context =
          static_cast<GPUDeviceContext*>(ctx->op_device_context());
      TF_RETURN_IF_ERROR(gpu_device_context->stream()->WaitFor(

		canRace = testenv.HasCGO() && platform.RaceDetectorSupported(runtime.GOOS, runtime.GOARCH)
		// The race detector doesn't work on Alpine Linux:
		// golang.org/issue/14481
		// gccgo does not support the race detector.
		if isAlpineLinux() || runtime.Compiler == "gccgo" {
			canRace = false
		}
	}

	if n, limited := base.NetLimit(); limited && n > 0 {

	if ui, ok := userTypeCache.Load(rt); ok {
		return ui.(*userTypeInfo), nil
	}

	// Construct a new userTypeInfo and atomically add it to the userTypeCache.
	// If we lose the race, we'll waste a little CPU and create a little garbage
	// but return the existing value anyway.

	ut := new(userTypeInfo)
	ut.base = rt
	ut.user = rt
	// A type that is just a cycle of pointers (such as type T *T) cannot

	fmt.Printf("[upgrade/staticpods] This can take up to %v\n", kubeadmapi.GetActiveTimeouts().UpgradeManifests.Duration)

	// Wait for the mirror Pod hash to change; otherwise we'll run into race conditions here when the kubelet hasn't had time to
	// notice the removal of the Static Pod, leading to a false positive below where we check that the API endpoint is healthy

		t.Errorf("readFile(%q) error = %v; want error containing 'is too large'", zero, err)
	}
}

// Issue 25686: hard crash on concurrent timer access.
// Issue 37400: panic with "racy use of timers"
// This test deliberately invokes a race condition.
// We are testing that we don't crash with "fatal error: panic holding locks",
// and that we also don't panic.
func TestConcurrentTimerReset(t *testing.T) {
	const goroutines = 8