makePVC("pvc-a", waitSC.Name).withBoundPV("pv-a").PersistentVolumeClaim,
				makePVC("pvc-b", waitSC.Name).withBoundPV("pv-b").PersistentVolumeClaim,
			},
			pvs: []*v1.PersistentVolume{
				makePV("pv-a", waitSC.Name).withPhase(v1.VolumeBound).withNodeAffinity(map[string][]string{
					v1.LabelHostname: {"node-a"},
				}).PersistentVolume,

// aix, darwin, js/wasm, openbsd, solaris and wasip1/wasm don't implement
// waitid/wait6.

//go:build aix || darwin || (js && wasm) || openbsd || solaris || wasip1

package os

// blockUntilWaitable attempts to block until a call to p.Wait will
// succeed immediately, and reports whether it has done so.
// It does not actually call p.Wait.
// This version is used on systems that do not implement waitid,

	cmd.Env = append(os.Environ(), fmt.Sprintf("%s=%s", dirVar, dir))

	qDone := make(chan struct{})
	waitQ := mustBlock(t, "Edit A and B in subprocess", func() {
		out, err := cmd.CombinedOutput()
		if err != nil {
			t.Errorf("%v:\n%s", err, out)
		}
		close(qDone)
	})

	// Wait until process Q has either failed or locked file B.
	// Otherwise, P.2 might not block on file B as intended.
locked:
	for {

		t.Fatalf("failed to start KMS plugin: err: %v", err)
	}
	return result
}

// waitForBase64PluginToBeUp waits until the plugin is ready to serve requests.
func waitForBase64PluginToBeUp(plugin *Base64Plugin) error {
	var gRPCErr error
	var resp *kmsapi.StatusResponse
	pollErr := wait.PollImmediate(1*time.Second, wait.ForeverTestTimeout, func() (bool, error) {
		resp, gRPCErr = plugin.Status(context.Background(), &kmsapi.StatusRequest{})

    try {
      return satisfied = guard.isSatisfied();
    } finally {
      if (!satisfied) {
        lock.unlock();
      }
    }
  }

  /**
   * Waits for the guard to be satisfied. Waits indefinitely, but may be interrupted. May be called
   * only by a thread currently occupying this monitor.
   *
   * @throws InterruptedException if interrupted while waiting
   */

// initialization signals.
type InitializationSignal interface {
	// Signal notifies the dispatcher about finished initialization.
	Signal()
	// Wait waits for the initialization signal.
	Wait()
}

type initializationSignal struct {
	once sync.Once
	done chan struct{}
}

func NewInitializationSignal() InitializationSignal {
	return &initializationSignal{

// wait: user specified WaitFunc function that controls at what interval the condition
// function should be invoked periodically and whether it is bound by a timeout.
// condition: user specified ConditionWithContextFunc function.
//
// Deprecated: will be removed in favor of loopConditionUntilContext.

package os

import (
	"runtime"
	"syscall"
)

// blockUntilWaitable attempts to block until a call to p.Wait will
// succeed immediately, and reports whether it has done so.
// It does not actually call p.Wait.
func (p *Process) blockUntilWaitable() (bool, error) {
	var errno syscall.Errno
	for {
		_, errno = wait6(_P_PID, p.Pid, syscall.WEXITED|syscall.WNOWAIT)
		if errno != syscall.EINTR {
			break
		}
	}

	var cunlock atomic.Bool
	cdone := make(chan bool)
	for i := 0; i < numReaders; i++ {
		go parallelReader(&m, clocked, &cunlock, cdone)
	}
	// Wait for all parallel RLock()s to succeed.
	for i := 0; i < numReaders; i++ {
		<-clocked
	}
	cunlock.Store(true)
	// Wait for the goroutines to finish.
	for i := 0; i < numReaders; i++ {
		<-cdone
	}
}

func TestParallelRWMutexReaders(t *testing.T) {

	// to the caller.
	// This reduces the nosplit footprint of notetsleep_internal.
	gp = getg()

	// Register for wakeup on n->waitm.
	if !atomic.Casuintptr(&n.key, 0, uintptr(unsafe.Pointer(gp.m))) {
		// Must be locked (got wakeup).
		if n.key != locked {
			throw("notetsleep - waitm out of sync")
		}
		return true
	}
	if ns < 0 {
		// Queued. Sleep.
		gp.m.blocked = true
		if *cgo_yield == nil {