// returns false if this fails.
func putCachedDlogger(l *dlogger) bool {
	mp := acquirem()
	if getg() != mp.gsignal && mp.dlogCache == nil {
		mp.dlogCache = l
		releasem(mp)
		return true
	}
	releasem(mp)
	return false

		// Save lock state to restore later.
		mp := gp.m
		if mp != gp.lockedm.ptr() {
			throw("inconsistent lockedm")
		}
		// Save the external lock count and clear it so
		// that it can't be unlocked from the debug call.
		// Note: we already locked internally to the thread,
		// so if we were locked before we're still locked now.
		lockedExt = mp.lockedExt
		mp.lockedExt = 0

		mp.lockedg.set(newg)
		newg.lockedm.set(mp)

}

type sigset struct{}

// Called to initialize a new m (including the bootstrap m).
// Called on the parent thread (main thread in case of bootstrap), can allocate memory.
func mpreinit(mp *m) {
	mp.gsignal = malg(32 * 1024)
	mp.gsignal.m = mp
}

//go:nosplit
func usleep_no_g(usec uint32) {
	usleep(usec)
}

//go:nosplit
func sigsave(p *sigset) {
}

//go:nosplit
func msigrestore(sigmask sigset) {
}

func printlock() {
	mp := getg().m
	mp.locks++ // do not reschedule between printlock++ and lock(&debuglock).
	mp.printlock++
	if mp.printlock == 1 {
		lock(&debuglock)
	}
	mp.locks-- // now we know debuglock is held and holding up mp.locks for us.
}

func printunlock() {
	mp := getg().m
	mp.printlock--
	if mp.printlock == 0 {
		unlock(&debuglock)
	}
}

	for _, c := range clipTests {
		dst := dst0.SubImage(c.dr).(*image.RGBA)
		src := src0.SubImage(c.sr).(*image.RGBA)
		r, sp, mp := c.r, c.sp, c.mp
		if c.nilMask {
			clip(dst, &r, src, &sp, nil, nil)
		} else {
			clip(dst, &r, src, &sp, mask0.SubImage(c.mr), &mp)
		}

		// Check that the actual results equal the expected results.
		if !c.r0.Eq(r) {

        Parameter mp = md.getParameters().get(0);

        assertEquals("finalName", mp.getName());
        assertEquals("jarName", mp.getAlias());
        assertEquals("java.lang.String", mp.getType());
        assertEquals("java.lang.String", mp.getImplementation());
        assertTrue(mp.isEditable());
        assertFalse(mp.isRequired());

	// Leave caller's PC/SP/G around for traceback.
	gp := getg()
	var mp *m
	if gp != nil {
		mp = gp.m
	}
	if mp != nil && mp.libcallsp == 0 {
		mp.libcallg.set(gp)
		mp.libcallpc = getcallerpc()
		// sp must be the last, because once async cpu profiler finds
		// all three values to be non-zero, it will use them
		mp.libcallsp = getcallersp()
	} else {
		// Make sure we don't reset libcallsp. This makes

	locked := gp.lockedm != 0
	if c.mp != nil || locked {
		if mp != c.mp || mp.lockedInt != c.lockedInt || mp.lockedExt != c.lockedExt {
			print("coro: got thread ", unsafe.Pointer(mp), ", want ", unsafe.Pointer(c.mp), "\n")
			print("coro: got lock internal ", mp.lockedInt, ", want ", c.lockedInt, "\n")
			print("coro: got lock external ", mp.lockedExt, ", want ", c.lockedExt, "\n")

}

func (ls LineString) Clone() LineString {
	ps := MultiPoint(ls)
	return LineString(ps.Clone())
}

type MultiPoint []Point

func (mp MultiPoint) Clone() MultiPoint {
	if mp == nil {
		return nil
	}

	points := make([]Point, len(mp))
	copy(points, mp)

	return MultiPoint(points)
}

func F1() {
	cases := []struct {
		threshold float64
		length    int
	}{
		{0.1, 1118},
		{0.5, 257},

			return -1
		}
	}
}

//go:nosplit
func semawakeup(mp *m) {
	atomic.Xadd(&mp.waitsemacount, 1)
	ret := thrwakeup(uintptr(unsafe.Pointer(&mp.waitsemacount)), 1)
	if ret != 0 && ret != _ESRCH {
		// semawakeup can be called on signal stack.
		systemstack(func() {
			print("thrwakeup addr=", &mp.waitsemacount, " sem=", mp.waitsemacount, " ret=", ret, "\n")
		})
	}
}

func osinit() {