}

func PtraceSyscall(pid int, signal int) (err error) {
	return ptrace(PTRACE_SYSCALL, pid, 0, uintptr(signal))
}

func PtraceSingleStep(pid int) (err error) { return ptrace(PTRACE_SINGLESTEP, pid, 0, 0) }

func PtraceInterrupt(pid int) (err error) { return ptrace(PTRACE_INTERRUPT, pid, 0, 0) }

func PtraceAttach(pid int) (err error) { return ptrace(PTRACE_ATTACH, pid, 0, 0) }

		return nil, err
	}
	for {
		if procEntry.ProcessID == uint32(pid) {
			return &procEntry, nil
		}
		err = Process32Next(snapshot, &procEntry)
		if err != nil {
			return nil, err
		}
	}
}

func Getppid() (ppid int) {
	pe, err := getProcessEntry(Getpid())
	if err != nil {
		return -1
	}
	return int(pe.ParentProcessID)

)

type Siginfo struct {
	Signo int32
	Errno int32
	Code  int32
	Pid   int32
	Uid   uint32
	_     [44]byte
}

type SysvIpcPerm struct {
	Uid  uint32
	Gid  uint32
	Cuid uint32
	Cgid uint32
	Mode int32
}

type SysvShmDesc struct {
	Perm   SysvIpcPerm
	_      [4]byte
	Lpid   int32
	Cpid   int32
	Nattch uint32
	_      [4]byte
	_      [4]byte
	_      [4]byte

	pgrp = int(r0)
	return
}

func Tcgetpgrp(fd int) (pgid int32, err error) {
	if errno := ioctlPtr(uintptr(fd), TIOCGPGRP, unsafe.Pointer(&pgid)); errno != 0 {
		return -1, errno
	}
	return pgid, nil
}

func Tcsetpgrp(fd int, pgid int32) (err error) {
	return ioctlPtr(uintptr(fd), TIOCSPGRP, unsafe.Pointer(&pgid))

	pgrp = int(r0)
	return
}

func Tcgetpgrp(fd int) (pgid int32, err error) {
	if errno := ioctlPtr(uintptr(fd), TIOCGPGRP, unsafe.Pointer(&pgid)); errno != 0 {
		return -1, errno
	}
	return pgid, nil
}

func Tcsetpgrp(fd int, pgid int32) (err error) {
	return ioctlPtr(uintptr(fd), TIOCSPGRP, unsafe.Pointer(&pgid))

			map[string]string{
				GCPProject: "pid", GCPProjectNumber: "npid", GCPCluster: "cluster", GCEInstance: "instanceName", GCEInstanceID: "instance",
				GCEInstanceTemplate: "instanceTemplate", GCEInstanceCreatedBy: "createdBy",
			},
		},
		{
			"cluster name error",
			func() bool { return true },
			func() (string, error) { return "pid", nil },
			func() (string, error) { return "npid", nil },

import (
	"unsafe"
)

// pgid should really be pid_t, however _C_int (aka int32) is generally
// equivalent.

func Tcgetpgrp(fd int) (pgid int32, err error) {
	if err := ioctlPtr(fd, TIOCGPGRP, unsafe.Pointer(&pgid)); err != nil {
		return -1, err
	}
	return pgid, nil
}

func Tcsetpgrp(fd int, pgid int32) (err error) {
	return ioctlPtr(fd, TIOCSPGRP, unsafe.Pointer(&pgid))

)

func Tcgetpgrp(fd int) (pgid int32, err error) {
	_, _, errno := Syscall6(SYS_IOCTL, uintptr(fd), uintptr(TIOCGPGRP), uintptr(unsafe.Pointer(&pgid)), 0, 0, 0)
	if errno != 0 {
		return -1, errno
	}
	return pgid, nil
}

func Tcsetpgrp(fd int, pgid int32) (err error) {
	_, _, errno := Syscall6(SYS_IOCTL, uintptr(fd), uintptr(TIOCSPGRP), uintptr(unsafe.Pointer(&pgid)), 0, 0, 0)
	if errno != 0 {
		return errno
	}

// with apply.
type PhotonPersistentDiskVolumeSourceApplyConfiguration struct {
	PdID   *string `json:"pdID,omitempty"`
	FSType *string `json:"fsType,omitempty"`
}

// PhotonPersistentDiskVolumeSourceApplyConfiguration constructs an declarative configuration of the PhotonPersistentDiskVolumeSource type for use with

)

//go:linkname ioctlPtr syscall.ioctlPtr
func ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error)

// Note that pgid should really be pid_t, however _C_int (aka int32) is
// generally equivalent.

func Tcsetpgrp(fd int, pgid int32) (err error) {
	return ioctlPtr(fd, syscall.TIOCSPGRP, unsafe.Pointer(&pgid))