// sigaction without setting the SS_ONSTACK flag.
func sigNotOnStack(sig uint32, sp uintptr, mp *m) {
	println("signal", sig, "received but handler not on signal stack")
	print("mp.gsignal stack [", hex(mp.gsignal.stack.lo), " ", hex(mp.gsignal.stack.hi), "], ")
	print("mp.g0 stack [", hex(mp.g0.stack.lo), " ", hex(mp.g0.stack.hi), "], sp=", hex(sp), "\n")
	throw("non-Go code set up signal handler without SA_ONSTACK flag")
}

	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) {

	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")

        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());

//go:nowritebarrier
//go:nosplit
func syscall0(fn *libFunc) (r, err uintptr) {
	gp := getg()
	mp := gp.m
	resetLibcall := true
	if 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 {
		resetLibcall = false // See comment in sys_darwin.go:libcCall

		return
	}
	getg().m.locks++
	n := copy(buf[:], goexits)
	n = copy(buf[n:], gostringnocopy(status))
	pid := getpid()
	for mp := (*m)(atomic.Loadp(unsafe.Pointer(&allm))); mp != nil; mp = mp.alllink {
		if mp.procid != 0 && mp.procid != pid {
			postnote(mp.procid, buf[:])
		}
	}
	getg().m.locks--
}

var procdir = []byte("/proc/")
var notefile = []byte("/note\x00")

		systemstack(func() {
			print("thrwakeup addr=", &mp.waitsemacount, " sem=", mp.waitsemacount, " ret=", ret, "\n")
		})
	}
}

// May run with m.p==nil, so write barriers are not allowed.
//
//go:nowritebarrier
func newosproc(mp *m) {
	stk := unsafe.Pointer(mp.g0.stack.hi)
	if false {
		print("newosproc stk=", stk, " m=", mp, " g=", mp.g0, " id=", mp.id, " ostk=", &mp, "\n")
	}

	var uc ucontextt

// race detector.
func TestConn(t *testing.T, mp MakePipe) {
	t.Run("BasicIO", func(t *testing.T) { timeoutWrapper(t, mp, testBasicIO) })
	t.Run("PingPong", func(t *testing.T) { timeoutWrapper(t, mp, testPingPong) })
	t.Run("RacyRead", func(t *testing.T) { timeoutWrapper(t, mp, testRacyRead) })
	t.Run("RacyWrite", func(t *testing.T) { timeoutWrapper(t, mp, testRacyWrite) })

}

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() {