// license that can be found in the LICENSE file.

// Tests to make sure the runtime doesn't generate futile wakeups. For example,
// it makes sure that a block on a channel send that unblocks briefly only to
// immediately go back to sleep (in such a way that doesn't reveal any useful
// information, and is purely an artifact of the runtime implementation) doesn't
// make it into the trace.

//go:build ignore

package main

import (

	EvHeapGoal          = 34 // gcController.heapGoal change [timestamp, heap goal bytes]
	EvTimerGoroutine    = 35 // denotes timer goroutine [timer goroutine id]
	EvFutileWakeup      = 36 // denotes that the previous wakeup of this goroutine was futile [timestamp]
	EvString            = 37 // string dictionary entry [ID, length, string]
	EvGoStartLocal      = 38 // goroutine starts running on the same P as the last event [timestamp, goroutine id]

		shouldSucceed bool
	}{
		"success-same-version": {
			oldPV:         makePV("pv1", "").withVersion("5").PersistentVolume,
			newPV:         makePV("pv1", "").withVersion("5").PersistentVolume,
			shouldSucceed: true,
		},
		"success-storageclass-same-version": {
			oldPV:         makePV("pv1", "class1").withVersion("5").PersistentVolume,
			newPV:         makePV("pv1", "class1").withVersion("5").PersistentVolume,
			shouldSucceed: true,
		},

bootgo=1.20.6

set -e

if [[ ! -f run.bash ]]; then
	echo 'make.bash must be run from $GOROOT/src' 1>&2
	exit 1
fi

if [[ "$GOBUILDTIMELOGFILE" != "" ]]; then
	echo $(LC_TIME=C date) start make.bash >"$GOBUILDTIMELOGFILE"
fi

# Test for Windows.
case "$(uname)" in
*MINGW* | *WIN32* | *CYGWIN*)
	echo 'ERROR: Do not use make.bash to build on Windows.'
	echo 'Use make.bat instead.'
	echo
	exit 1
	;;
esac

# (make.bash, make.bat, make.rc)....

		throw("notewakeup - double wakeup")
	default:
		// Must be the waiting m. Wake it up.
		semawakeup((*m)(unsafe.Pointer(v)))
	}
}

func notesleep(n *note) {
	gp := getg()
	if gp != gp.m.g0 {
		throw("notesleep not on g0")
	}
	semacreate(gp.m)
	if !atomic.Casuintptr(&n.key, 0, uintptr(unsafe.Pointer(gp.m))) {
		// Must be locked (got wakeup).
		if n.key != locked {

}

func newFakeProxier(ipFamily v1.IPFamily, t time.Time) *FakeProxier {
	return &FakeProxier{
		svcPortMap:     make(ServicePortMap),
		serviceChanges: NewServiceChangeTracker(nil, ipFamily, nil, nil),
		endpointsMap:   make(EndpointsMap),
		endpointsChanges: &EndpointsChangeTracker{
			lastChangeTriggerTimes:    make(map[types.NamespacedName][]time.Time),
			trackerStartTime:          t,
			processEndpointsMapChange: nil,

		var fw fileWriter
		switch maker := v.maker.(type) {
		case makeReg:
			fw = &regFileWriter{w, maker.size}
			wantStr = maker.wantStr
		case makeSparse:
			if !validateSparseEntries(maker.sph, maker.size) {
				t.Fatalf("invalid sparse map: %v", maker.sph)
			}
			spd := invertSparseEntries(maker.sph, maker.size)
			fw = &regFileWriter{w, maker.makeReg.size}
			fw = &sparseFileWriter{fw, spd, 0}

// timer *and* nothing else will call wake concurrently.
func (s *wakeableSleep) close() {
	// Set wakeup to nil so that a late timer ends up being a no-op.
	lock(&s.lock)
	if raceenabled {
		raceacquire(unsafe.Pointer(&s.lock))
	}
	wakeup := s.wakeup
	s.wakeup = nil

	// Close the channel.
	close(wakeup)

	if raceenabled {
		racerelease(unsafe.Pointer(&s.lock))
	}
	unlock(&s.lock)

// Intended use is provide a sleep and wakeup
// primitive that can be used in the contended case
// of other synchronization primitives.
// Thus it targets the same goal as Linux's futex,
// but it has much simpler semantics.
//
// That is, don't think of these as semaphores.
// Think of them as a way to implement sleep and wakeup
// such that every sleep is paired with a single wakeup,