// of a test coverage run. If updates the 'cfname' and 'cf' fields in
// 's', returning an error if something went wrong.
func (s *emitState) openCounterFile(metaHash [16]byte) error {
	processID := os.Getpid()
	fn := fmt.Sprintf(coverage.CounterFileTempl, coverage.CounterFilePref, metaHash, processID, time.Now().UnixNano())
	s.cfname = filepath.Join(s.outdir, fn)
	s.cftmp = filepath.Join(s.outdir, "tmp."+fn)
	var err error

//go:cgo_import_dynamic libc_pthread_sigmask pthread_sigmask "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_sigaltstack sigaltstack "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_getpid getpid "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_kill kill "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_setitimer setitimer "/usr/lib/libSystem.B.dylib"

	SYSCALL	$SYS_getpid
	MOVW	R3, R3	// arg 1 pid
	MOVW	sig+0(FP), R4	// arg 2
	SYSCALL	$SYS_kill
	RET

TEXT ·getpid(SB),NOSPLIT|NOFRAME,$0-8
	SYSCALL $SYS_getpid
	MOVD	R3, ret+0(FP)
	RET

TEXT ·tgkill(SB),NOSPLIT|NOFRAME,$0-24
	MOVD	tgid+0(FP), R3
	MOVD	tid+8(FP), R4
	MOVD	sig+16(FP), R5
	SYSCALL $SYS_tgkill
	RET

TEXT runtime·setitimer(SB),NOSPLIT|NOFRAME,$0-24

// (and thus cannot run as an ordinary Test function, since the testing
// package monkey-patches those variables before running tests).
func TestMain(m *testing.M) {
	flag.Parse()

	pid := os.Getpid()
	if os.Getenv("GO_EXEC_TEST_PID") == "" {
		os.Setenv("GO_EXEC_TEST_PID", strconv.Itoa(pid))

		if runtime.GOOS == "windows" {
			// Normalize environment so that test behavior is consistent.

func Trace(op, path string) {
	if !doTrace {
		return
	}
	traceMu.Lock()
	defer traceMu.Unlock()
	fmt.Fprintf(traceFile, "%d gofsystrace %s %s\n", os.Getpid(), op, path)
	if pattern := gofsystracestack.Value(); pattern != "" {
		if match, _ := pathpkg.Match(pattern, path); match {
			traceFile.Write(debug.Stack())
		}
	}
}

var (
	doTrace   bool

		if err != nil {
			return nil, err
		}
		return nil, errors.NewConflict(p.resource.GroupResource(), p.name, fmt.Errorf("uid mismatch: the provided object specified uid %s, and no existing object was found", accessor.GetUID()))
	}

	// if this object supports namespace info
	if objectMeta, err := meta.Accessor(objToUpdate); err == nil {
		// ensure namespace on the object is correct, or error if a conflicting namespace was set in the object

		return
	}
	_, err = w.Write(b)
	if err != nil {
		w.WriteHeader(http.StatusInternalServerError)
	}
}

// notifyExit sends SIGTERM to itself
func notifyExit() {
	p, err := os.FindProcess(os.Getpid())
	if err != nil {
		log.Error(err)
	}
	if err := p.Signal(syscall.SIGTERM); err != nil {
		log.Errorf("failed to send SIGTERM to self: %v", err)
	}
}

	}
}

func TestNetworkSymbolicLink(t *testing.T) {
	testenv.MustHaveSymlink(t)

	const _NERR_ServerNotStarted = syscall.Errno(2114)

	dir := t.TempDir()
	chdir(t, dir)

	pid := os.Getpid()
	shareName := fmt.Sprintf("GoSymbolicLinkTestShare%d", pid)
	sharePath := filepath.Join(dir, shareName)
	testDir := "TestDir"

	err := os.MkdirAll(filepath.Join(sharePath, testDir), 0777)
	if err != nil {

	if err := testenv.Command(t, "strace", "-f", "-q", os.Args[0], "-test.run=^$").Run(); err != nil {
		t.Skipf("skipping; failed to run strace: %v", err)
	}

	filename := fmt.Sprintf("1kb-%d", os.Getpid())
	filepath := path.Join(os.TempDir(), filename)

	if err := os.WriteFile(filepath, bytes.Repeat([]byte{'a'}, 1<<10), 0755); err != nil {
		t.Fatal(err)
	}
	defer os.Remove(filepath)

			fatalf("unknown test %q", name)
		}
	}

	// On a few builders, make GOROOT unwritable to catch tests writing to it.
	if strings.HasPrefix(os.Getenv("GO_BUILDER_NAME"), "linux-") {
		if os.Getuid() == 0 {
			// Don't bother making GOROOT unwritable:
			// we're running as root, so permissions would have no effect.
		} else {
			xatexit(t.makeGOROOTUnwritable())
		}
	}

	if !t.json {