// on Unix it is syscall.Signal.
type Signal interface {
	String() string
	Signal() // to distinguish from other Stringers
}

// Getpid returns the process id of the caller.
func Getpid() int { return syscall.Getpid() }

// Getppid returns the process id of the caller's parent.
func Getppid() int { return syscall.Getppid() }

// FindProcess looks for a running process by its pid.
//

        daemon.start();

        try {
            DaemonContext daemonContext = daemonServices.get(DaemonContext.class);
            Long pid = daemonContext.getPid();
            daemonStarted(pid, daemon.getUid(), daemon.getAddress(), daemonLog);
            DaemonExpirationStrategy expirationStrategy = daemonServices.get(MasterExpirationStrategy.class);

// (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