} else if ws, ok := ee.Sys().(syscall.WaitStatus); !ok {
				t.Errorf("unexpected wait status type %T: %v", ee.Sys(), ee.Sys())
			} else if ws.Signaled() && ws.Signal() == syscall.SIGPIPE {
				if sig || dest > 2 {
					t.Errorf("unexpected SIGPIPE signal for descriptor %d sig %t", dest, sig)
				}
			} else {
				t.Errorf("unexpected exit status %v for descriptor %d sig %t", err, dest, sig)
			}
		}
	}

	MOVV	8(R3), R5	// nsec

	MOVV	R23, R3	// restore SP
	// Restore vdsoPC, vdsoSP
	// We don't worry about being signaled between the two stores.
	// If we are not in a signal handler, we'll restore vdsoSP to 0,
	// and no one will care about vdsoPC. If we are in a signal handler,
	// we cannot receive another signal.
	MOVV	16(R3), R25
	MOVV	R25, m_vdsoSP(R24)
	MOVV	8(R3), R25
	MOVV	R25, m_vdsoPC(R24)

	MOVV	R7, sec+0(FP)

	SIGIO      = Signal(0x16)
	SIGIOT     = Signal(0x6)
	SIGJVM1    = Signal(0x27)
	SIGJVM2    = Signal(0x28)
	SIGKILL    = Signal(0x9)
	SIGLOST    = Signal(0x25)
	SIGLWP     = Signal(0x21)
	SIGPIPE    = Signal(0xd)
	SIGPOLL    = Signal(0x16)
	SIGPROF    = Signal(0x1d)
	SIGPWR     = Signal(0x13)
	SIGQUIT    = Signal(0x3)
	SIGSEGV    = Signal(0xb)
	SIGSTOP    = Signal(0x17)
	SIGSYS     = Signal(0xc)

}

func (w WaitStatus) Signaled() bool { return w&mask != stopped && w&mask != 0 }

func (w WaitStatus) Signal() Signal {
	sig := Signal(w & mask)
	if sig == stopped || sig == 0 {
		return -1
	}
	return sig
}

func (w WaitStatus) CoreDump() bool { return w.Signaled() && w&core != 0 }

func (w WaitStatus) Stopped() bool { return w&mask == stopped && Signal(w>>shift) != SIGSTOP }

)

const (
	// More invented values for signals
	SIGHUP  = Signal(0x1)
	SIGINT  = Signal(0x2)
	SIGQUIT = Signal(0x3)
	SIGILL  = Signal(0x4)
	SIGTRAP = Signal(0x5)
	SIGABRT = Signal(0x6)
	SIGBUS  = Signal(0x7)
	SIGFPE  = Signal(0x8)
	SIGKILL = Signal(0x9)
	SIGSEGV = Signal(0xb)
	SIGPIPE = Signal(0xd)
	SIGALRM = Signal(0xe)
	SIGTERM = Signal(0xf)
)

var signals = [...]string{
	1:  "hangup",
	2:  "interrupt",

// because the functions pthread_mutex_lock, pthread_cond_signal, and
// pthread_mutex_unlock, called by semawakeup, are not async-signal-safe.
// There is only one case where we need to wake up a note from a signal
// handler: the sigsend function. The signal handler code does not require
// all the features of notes: it does not need to do a timed wait.
// This is a separate implementation of notes, based on a pipe, that does

		return errENOENT
	}
	return e
}

// A Signal is a number describing a process signal.
// It implements the [os.Signal] interface.
type Signal int

func (s Signal) Signal() {}

func (s Signal) String() string {
	if 0 <= s && int(s) < len(signals) {
		str := signals[s]
		if str != "" {
			return str
		}
	}
	return "signal " + itoa.Itoa(int(s))
}

            }
            try {
                while (!active.isEmpty()) {
                    boolean signaled = condition.awaitUntil(expiry);
                    if (!signaled) {
                        failures.add(new RuntimeException("Timeout waiting for threads to finish."));
                        break;
                    }
                }

			continue
		}

		// If the signal is delivered to a C thread, as expected,
		// the Go signal handler will disable itself and re-raise
		// the signal, causing the program to die with SIGSEGV.
		//
		// It is also possible that the signal will be
		// delivered to a Go thread, such as a GC thread.
		// Currently when the Go runtime sees that a SIGSEGV was
		// sent from a different program, it first tries to send

}

// Closed returns a chan that will be signaled when the Instance has stopped processing tasks.
func (q Queue) Closed() <-chan struct{} {
	return q.closed
}

// processNextItem is the main workFn loop for the queue
func (q Queue) processNextItem() bool {
	// Wait until there is a new item in the working queue
	key, quit := q.queue.Get()
	if quit {
		// We are done, signal to exit the queue
		return false
	}