}

func PtracePokeText(pid int, addr uintptr, data []byte) (count int, err error) {
	return ptracePoke(pid, addr, data)
}

func PtracePokeData(pid int, addr uintptr, data []byte) (count int, err error) {
	return ptracePoke(pid, addr, data)
}

func PtraceCont(pid int, signal int) (err error) {
	return ptrace64(PT_CONTINUE, int64(pid), 1, signal, 0)
}

func computeEvents(oldPod, newPod *kubecontainer.Pod, cid *kubecontainer.ContainerID) []*PodLifecycleEvent {
	var pid types.UID
	if oldPod != nil {
		pid = oldPod.ID
	} else if newPod != nil {
		pid = newPod.ID
	}
	oldState := getContainerState(oldPod, cid)
	newState := getContainerState(newPod, cid)
	return generateEvents(pid, cid.ID, oldState, newState)
}

func (g *GenericPLEG) cacheEnabled() bool {
	return g.cache != nil

	}

	// Wait for first child to send the second child's PID.
	b := make([]byte, 8)
	n, err := controlR.Read(b)
	if err != nil {
		t.Fatalf("error reading child pid: %v\n", err)
	}
	if n != 8 {
		t.Fatalf("unexpected short read n = %d\n", n)
	}
	pid := binary.LittleEndian.Uint64(b[:])
	process, err := os.FindProcess(int(pid))
	if err != nil {
		t.Fatalf("unable to find child process: %v", err)
	}

}

func direntNamlen(buf []byte) (uint64, bool) {
	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
}

func PtraceAttach(pid int) (err error) { return ptrace(PT_ATTACH, pid, 0, 0) }
func PtraceDetach(pid int) (err error) { return ptrace(PT_DETACH, pid, 0, 0) }

//sysnb pipe(p *[2]int32) (err error)

func Pipe(p []int) (err error) {
	if len(p) != 2 {
		return EINVAL
	}
	var q [2]int32

	SYS_SCHED_SETPARAM         = 327 // { int sched_setparam (pid_t pid, const struct sched_param *param); }
	SYS_SCHED_GETPARAM         = 328 // { int sched_getparam (pid_t pid, struct sched_param *param); }
	SYS_SCHED_SETSCHEDULER     = 329 // { int sched_setscheduler (pid_t pid, int policy, const struct sched_param *param); }
	SYS_SCHED_GETSCHEDULER     = 330 // { int sched_getscheduler (pid_t pid); }
	SYS_SCHED_YIELD            = 331 // { int sched_yield (void); }

func compareStatus(filter, expect string) error {
	expected := filter + expect
	pid := syscall.Getpid()
	fs, err := os.ReadDir(fmt.Sprintf("/proc/%d/task", pid))
	if err != nil {
		return fmt.Errorf("unable to find %d tasks: %v", pid, err)
	}
	expectedProc := fmt.Sprintf("Pid:\t%d", pid)
	foundAThread := false
	for _, f := range fs {
		tf := fmt.Sprintf("/proc/%s/status", f.Name())

	if len(s) < len(prefix) {
		return false
	}
	for i, p := range prefix {
		if s[i] != p {
			return false
		}
	}
	return true
}

var pid = []byte("#c/pid\x00")

func getpid() uint64 {
	var b [20]byte
	fd := open(&pid[0], 0, 0)
	if fd >= 0 {
		read(fd, unsafe.Pointer(&b), int32(len(b)))
		closefd(fd)
	}
	c := b[:]
	for c[0] == ' ' || c[0] == '\t' {
		c = c[1:]
	}

[19499] [INFO] Listening at: http://0.0.0.0:80 (19499)
[19499] [INFO] Using worker: uvicorn.workers.UvicornWorker
[19511] [INFO] Booting worker with pid: 19511
[19513] [INFO] Booting worker with pid: 19513
[19514] [INFO] Booting worker with pid: 19514
[19515] [INFO] Booting worker with pid: 19515
[19511] [INFO] Started server process [19511]
[19511] [INFO] Waiting for application startup.
[19511] [INFO] Application startup complete.

	e.arrowSeq++
	e.OptionalEvent(&format.Event{
		Name:  a.Name,
		Phase: "s",
		TID:   a.FromResource,
		PID:   sectionID,
		ID:    e.arrowSeq,
		Time:  viewerTime(a.Start),
		Stack: a.FromStack,
	})
	e.OptionalEvent(&format.Event{
		Name:  a.Name,
		Phase: "t",
		TID:   a.ToResource,
		PID:   sectionID,
		ID:    e.arrowSeq,
		Time:  viewerTime(a.End),
	})
}

type ArrowEvent struct {

	SYS_SCHED_SETPARAM           = 327 // { int sched_setparam (pid_t pid, const struct sched_param *param); }
	SYS_SCHED_GETPARAM           = 328 // { int sched_getparam (pid_t pid, struct sched_param *param); }
	SYS_SCHED_SETSCHEDULER       = 329 // { int sched_setscheduler (pid_t pid, int policy, const struct sched_param *param); }
	SYS_SCHED_GETSCHEDULER       = 330 // { int sched_getscheduler (pid_t pid); }