t.Fatal(err)
	}

	return &command{stdin, proc, t}
}

func parent() (pid, pgrp int) {
	return syscall.Getpid(), syscall.Getpgrp()
}

func TestZeroSysProcAttr(t *testing.T) {
	ppid, ppgrp := parent()

	cmd := create(t)

	cmd.Start()
	defer cmd.Stop()

	cpid, cpgrp := cmd.Info()

	if cpid == ppid {
		t.Fatalf("Parent and child have the same process ID")
	}

	if cpgrp != ppgrp {

)

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

class ProcessFixture {
    final Long pid;

    ProcessFixture(Long pid) {
        this.pid = pid
    }

    /**
     * Forcefully kills this daemon.
     */
    void kill(boolean killTree) {
        println "Killing process with pid: $pid"
        if (pid == null) {
            throw new RuntimeException("Unable to force kill the process because provided pid is null!")
        }

		// duplicate signal in rare cases, but it won't matter when
		// using SIGKILL.
		r1, _, _ = RawSyscall(SYS_GETPPID, 0, 0, 0)
		if r1 != ppid {
			upid, _, _ = RawSyscall(SYS_GETPID, 0, 0, 0)
			_, _, err1 = RawSyscall(SYS_KILL, upid, uintptr(sys.Pdeathsig), 0)
			if err1 != 0 {
				goto childerror
			}
		}
	}

	// Pass 1: look for fd[i] < i and move those up above len(fd)

			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 },

type SysvIpcPerm struct {
	Uid  uint32
	Gid  uint32
	Cuid uint32
	Cgid uint32
	Mode uint16
	_    uint16
	_    int32
}
type SysvShmDesc struct {
	Perm   SysvIpcPerm
	Segsz  uint64
	Lpid   int32
	Cpid   int32
	Nattch uint16
	_      [34]byte
}

const (
	IPC_CREAT   = 0x200
	IPC_EXCL    = 0x400
	IPC_NOWAIT  = 0x800
	IPC_PRIVATE = 0x0
)

const (
	IPC_RMID = 0x0

type SysvIpcPerm struct {
	Uid  uint32
	Gid  uint32
	Cuid uint32
	Cgid uint32
	Mode uint16
	_    uint16
	_    int32
}
type SysvShmDesc struct {
	Perm   SysvIpcPerm
	Segsz  uint64
	Lpid   int32
	Cpid   int32
	Nattch uint16
	_      [34]byte
}

const (
	IPC_CREAT   = 0x200
	IPC_EXCL    = 0x400
	IPC_NOWAIT  = 0x800
	IPC_PRIVATE = 0x0
)

const (
	IPC_RMID = 0x0

	}
	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 }

	// Set up and fork. This returns immediately in the parent or
	// if there's an error.
	upid, pidfd, err, mapPipe, locked := forkAndExecInChild1(argv0, argv, envv, chroot, dir, attr, sys, pipe)
	if locked {
		runtime_AfterFork()
	}
	if err != 0 {
		return 0, err
	}

	// parent; return PID
	pid = int(upid)
	if sys.PidFD != nil {

}

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)
}