)

// Bind flags
const (
	MORDER  = 0x0003 // mask for bits defining order of mounting
	MREPL   = 0x0000 // mount replaces object
	MBEFORE = 0x0001 // mount goes before others in union directory
	MAFTER  = 0x0002 // mount goes after others in union directory
	MCREATE = 0x0004 // permit creation in mounted directory
	MCACHE  = 0x0010 // cache some data
	MMASK   = 0x0017 // all bits on
)

// Rfork flags
const (

	}
	return groups, nil
}

func Getpid() int {
	return jsProcess.Get("pid").Int()
}

func Getppid() int {
	return jsProcess.Get("ppid").Int()
}

func Umask(mask int) (oldmask int) {
	return jsProcess.Call("umask", mask).Int()
}

func Gettimeofday(tv *Timeval) error { return ENOSYS }

func Kill(pid int, signum Signal) error { return ENOSYS }

// After this is called the thread can receive signals.
func minitSignalMask() {
	nmask := getg().m.sigmask
	for i := range sigtable {
		if !blockableSig(uint32(i)) {
			sigdelset(&nmask, i)
		}
	}
	sigprocmask(_SIG_SETMASK, &nmask, nil)
}

// unminitSignals is called from dropm, via unminit, to undo the
// effect of calling minit on a non-Go thread.
//
//go:nosplit
func unminitSignals() {

type WaitStatus uint32

const (
	mask  = 0x7F
	core  = 0x80
	shift = 8

	exited  = 0
	stopped = 0x7F
)

func (w WaitStatus) Exited() bool { return w&mask == exited }

func (w WaitStatus) ExitStatus() int {
	if w&mask != exited {
		return -1
	}
	return int(w >> shift)
}

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

		},
		{
			name:    "Mask 11 AND mask 10",
			masks:   [][]int{{0, 1}, {1}},
			andMask: "10",
		},
		{
			name:    "Mask 01 AND mask 11",
			masks:   [][]int{{0}, {0, 1}},
			andMask: "01",
		},
		{
			name:    "Mask 11 AND mask 11 AND mask 10",
			masks:   [][]int{{0, 1}, {0, 1}, {1}},
			andMask: "10",
		},
		{
			name:    "Mask 01 AND mask 01 AND mask 10 AND mask 11",

// lower-numbered bits set wins out.
func (s *bitMask) IsNarrowerThan(mask BitMask) bool {
	if s.Count() == mask.Count() {
		return s.IsLessThan(mask)
	}
	return s.Count() < mask.Count()
}

// IsLessThan checks which bitmask has more lower-numbered bits set.
func (s *bitMask) IsLessThan(mask BitMask) bool {
	return *s < *mask.(*bitMask)
}

limitations under the License.
*/

package copycerts

import "golang.org/x/sys/unix"

// on unix where umask may be in effect, clear umask so tests
// are not sensitive to the developer's system umask
func setNoUmask() {
	unix.Umask(0)

	} else if nbits == 32 {
		mb = bits.LeadingZeros32(uint32(mask))
		me = 32 - bits.TrailingZeros32(uint32(mask))
		mbn = bits.LeadingZeros32(^uint32(mask))
		men = 32 - bits.TrailingZeros32(^uint32(mask))
	} else {
		mb = bits.LeadingZeros64(uint64(mask))
		me = 64 - bits.TrailingZeros64(uint64(mask))
		mbn = bits.LeadingZeros64(^uint64(mask))
		men = 64 - bits.TrailingZeros64(^uint64(mask))
	}

	ACPOPW & obj.AMask: rIIEncoding,
	ACTZ & obj.AMask:   rIIEncoding,
	ACTZW & obj.AMask:  rIIEncoding,
	AMAX & obj.AMask:   rIIIEncoding,
	AMAXU & obj.AMask:  rIIIEncoding,
	AMIN & obj.AMask:   rIIIEncoding,
	AMINU & obj.AMask:  rIIIEncoding,
	AORN & obj.AMask:   rIIIEncoding,
	ASEXTB & obj.AMask: rIIEncoding,
	ASEXTH & obj.AMask: rIIEncoding,
	AXNOR & obj.AMask:  rIIIEncoding,

	sub := &Sub[T]{ch: subCh, types: Mask(mask.Mask()), filter: filter}
	ps.subs = append(ps.subs, sub)

	// We hold a lock, so we are safe to update
	combined := Mask(atomic.LoadUint64(&ps.types))
	combined.Merge(Mask(mask.Mask()))
	atomic.StoreUint64(&ps.types, uint64(combined))

	go func() {
		<-doneCh

		ps.Lock()
		defer ps.Unlock()
		var remainTypes Mask
		for i, s := range ps.subs {
			if s == sub {