if w.waiting == w.running {
				// All done.
				w.wait.Broadcast()
				w.mu.Unlock()
				return
			}
			w.wait.Wait()
			w.waiting--
		}

		// Pick something to do at random,
		// to eliminate pathological contention
		// in case items added at about the same time
		// are most likely to contend.
		i := rand.Intn(len(w.todo))
		item := w.todo[i]
		w.todo[i] = w.todo[len(w.todo)-1]
		w.todo = w.todo[:len(w.todo)-1]

   * @param timeoutDuration with timeoutUnit, the maximum length of time that callers are willing to
   *     wait on each method call to the proxy
   * @param timeoutUnit with timeoutDuration, the maximum length of time that callers are willing to
   *     wait on each method call to the proxy
   * @return a time-limiting proxy
   * @throws IllegalArgumentException if {@code interfaceType} is a regular class, enum, or

	mu2 := lockedfile.MutexAt(mu.Path)
	t.Logf("mu2 := MutexAt(mu.Path)")

	wait := mustBlock(t, "mu2.Lock()", func() {
		unlock2, err := mu2.Lock()
		if err != nil {
			t.Errorf("mu2.Lock: %v", err)
			return
		}
		t.Logf("unlock2, _ := mu2.Lock()")
		t.Logf("unlock2()")
		unlock2()
	})

	t.Logf("unlock()")
	unlock()
	wait(t)
}

func TestReadWaitsForLock(t *testing.T) {
	t.Parallel()

      }
      barrier.await(); // release the threads!
      barrier.await(); // wait for them all to complete
      assertEquals(1, task.get().intValue());
      assertEquals(1, counter.get());
    }
    executor.shutdown();
  }

  @J2ktIncompatible
  @GwtIncompatible // blocking wait
  public void testToString() throws Exception {
    final CountDownLatch enterLatch = new CountDownLatch(1);

stdout foo

exec echo foo &
exec echo bar &
! exec false &

# Starting a background process should clear previous output.
! stdout foo

# Wait should set the output to the concatenated outputs of the background
# programs, in the order in which they were started.
wait
stdout 'foo\nbar'

# The end of the test should interrupt or kill any remaining background
# programs, but that should not cause the test to fail if it does not

// returns a non-nil error or the first time Wait returns, whichever occurs
// first.
func WithContext(ctx context.Context) (*Group, context.Context) {
	ctx, cancel := withCancelCause(ctx)
	return &Group{cancel: cancel}, ctx
}

// Wait blocks until all function calls from the Go method have returned, then
// returns the first non-nil error (if any) from them.
func (g *Group) Wait() error {
	g.wg.Wait()
	if g.cancel != nil {
		g.cancel(g.err)

		},
		func(s *script.State, args ...string) (script.WaitFunc, error) {
			b := work.NewBuilder(s.Getwd())
			wait, err := cmdExec.Run(s, append(b.GccCmd(".", ""), args...)...)
			if err != nil {
				return wait, err
			}
			waitAndClean := func(s *script.State) (stdout, stderr string, err error) {
				stdout, stderr, err = wait(s)
				if closeErr := b.Close(); err == nil {
					err = closeErr
				}
				return stdout, stderr, err
			}

      }
      barrier.await(); // release the threads!
      barrier.await(); // wait for them all to complete
      assertEquals(1, task.get().intValue());
      assertEquals(1, counter.get());
    }
    executor.shutdown();
  }

  @J2ktIncompatible
  @GwtIncompatible // blocking wait
  public void testToString() throws Exception {
    final CountDownLatch enterLatch = new CountDownLatch(1);

			panic(err)
		}
		// signal may not be received immediately. Wait for it.
		select{}
	})
}

func FuzzKill(f *testing.F) {
	f.Fuzz(func(*testing.T, bool) {
		pid := syscall.Getpid()
		if err := syscall.Kill(pid, syscall.SIGKILL); err != nil {
			panic(err)
		}
		// signal may not be received immediately. Wait for it.
		select{}
	})
}

func FuzzCrash(f *testing.F) {

// stopping the wait when a context is canceled.
func ExampleAfterFunc_cond() {
	waitOnCond := func(ctx context.Context, cond *sync.Cond, conditionMet func() bool) error {
		stopf := context.AfterFunc(ctx, func() {
			// We need to acquire cond.L here to be sure that the Broadcast
			// below won't occur before the call to Wait, which would result
			// in a missed signal (and deadlock).