}
func nanotime_trampoline()

// walltime should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:
//   - gitee.com/quant1x/gox
//
// Do not remove or change the type signature.
// See go.dev/issue/67401.
//
//go:linkname walltime
//go:nosplit
//go:cgo_unsafe_args
func walltime() (int64, int32) {
	var t timespec

}

func usleep1(usec uint32)

//go:nosplit
func usleep_no_g(µs uint32) {
	usleep1(µs)
}

//go:nosplit
func usleep(µs uint32) {
	usleep1(µs)
}

func walltime() (sec int64, nsec int32) {
	var ts mts
	sysvicall2(&libc_clock_gettime, _CLOCK_REALTIME, uintptr(unsafe.Pointer(&ts)))
	return ts.tv_sec, int32(ts.tv_nsec)
}

//go:nosplit

TEXT runtime·mincore(SB),NOSPLIT|NOFRAME,$0-28
	MOV	addr+0(FP), A0
	MOV	n+8(FP), A1
	MOV	dst+16(FP), A2
	MOV	$SYS_mincore, A7
	ECALL
	MOVW	A0, ret+24(FP)
	RET

// func walltime() (sec int64, nsec int32)
TEXT runtime·walltime(SB),NOSPLIT,$40-12
	MOV	$CLOCK_REALTIME, A0

	MOV	runtime·vdsoClockgettimeSym(SB), A7
	BEQZ	A7, fallback
	MOV	X2, S2 // S2,S3,S4 is unchanged by C code

                                  meta_graph.saver_def().filename_tensor_name(),
                                  asset_file_defs, session->get()));
  }
  // Record walltime spent in restoring graph from disk, but postpone metric
  // increments until graph init finishes.
  const uint64 restore_graph_walltime =
      GetLatencyMicroseconds(read_start_microseconds);

TEXT runtime·mincore(SB),NOSPLIT|NOFRAME,$0-28
	MOVV	addr+0(FP), R4
	MOVV	n+8(FP), R5
	MOVV	dst+16(FP), R6
	MOVV	$SYS_mincore, R11
	SYSCALL
	MOVW	R4, ret+24(FP)
	RET

// func walltime() (sec int64, nsec int32)
TEXT runtime·walltime(SB),NOSPLIT,$24-12
	MOVV	R3, R23	// R23 is unchanged by C code
	MOVV	R3, R25

	MOVV	g_m(g), R24	// R24 = m

	// Set vdsoPC and vdsoSP for SIGPROF traceback.

	MOVD	addr+0(FP), R3
	MOVD	n+8(FP), R4
	MOVD	dst+16(FP), R5
	SYSCALL	$SYS_mincore
	NEG	R3		// caller expects negative errno
	MOVW	R3, ret+24(FP)
	RET

// func walltime() (sec int64, nsec int32)
TEXT runtime·walltime(SB),NOSPLIT,$16-12
	MOVD	R1, R15		// R15 is unchanged by C code
	MOVD	g_m(g), R21	// R21 = m

	MOVD	$0, R3		// CLOCK_REALTIME

    private void waitForRequestsToFinish() {
        long completionTimeout = clock.getCurrentTime() + timeoutMs;
        for (RequestOutcome outcome : outcomes) {
            long waitTime = completionTimeout - clock.getCurrentTime();
            outcome.awaitCompletion(waitTime);
        }
    }

    @Override
    public void handle(HttpExchange httpExchange) {
        try {
            int id = counter.incrementAndGet();

	ts.lock()
	ts.cleanHead()
	t.lock()
	t.trace("maybeAdd")
	when := int64(0)
	wake := false
	if t.needsAdd() {
		t.state |= timerHeaped
		when = t.when
		wakeTime := ts.wakeTime()
		wake = wakeTime == 0 || when < wakeTime
		ts.addHeap(t)
	}
	t.unlock()
	ts.unlock()
	releasem(mp)
	if wake {
		wakeNetPoller(when)
	}
}

// reset resets the time when a timer should fire.

// at which it was woken up as now. Otherwise now is 0.
// If there are additional entries in the wait list, dequeue
// returns tailtime set to the last entry's acquiretime.
// Otherwise tailtime is found.acquiretime.
func (root *semaRoot) dequeue(addr *uint32) (found *sudog, now, tailtime int64) {
	ps := &root.treap
	s := *ps
	for ; s != nil; s = *ps {
		if s.elem == unsafe.Pointer(addr) {
			goto Found
		}

		}
		if bp, boolTest := ct.d.(*bool); boolTest && *bp != ct.wantbool && ct.wanterr == "" {
			errf("want bool %v, got %v", ct.wantbool, *bp)
		}
		if !ct.wanttime.IsZero() && !ct.wanttime.Equal(timeValue(ct.d)) {
			errf("want time %v, got %v", ct.wanttime, timeValue(ct.d))
		}
		if ct.wantnil && *ct.d.(**int64) != nil {
			errf("want nil, got %v", intPtrValue(ct.d))
		}
		if ct.wantptr != nil {