"github.com/minio/minio/internal/logger"
)

func handleSignals() {
	// Custom exit function
	exit := func(success bool) {
		if globalLoggerOutput != nil {
			globalLoggerOutput.Close()
		}

		// If global profiler is set stop before we exit.
		globalProfilerMu.Lock()
		defer globalProfilerMu.Unlock()
		for _, p := range globalProfiler {
			p.Stop()
		}

		if success {
			os.Exit(0)
		}

		os.Exit(1)
	}

				v.Stop()
				delete(globalProfiler, k)
			}
		}
	}

	for _, profiler := range profiles {
		prof, err := startProfiler(profiler)
		if err != nil {
			s.writeErrorResponse(w, err)
			return
		}
		globalProfiler[profiler] = prof
	}
}

// DownloadProfilingDataHandler - returns profiled data.
func (s *peerRESTServer) DownloadProfilingDataHandler(w http.ResponseWriter, r *http.Request) {

	return resp.ValueOrZero(), err
}

// StartProfiling - Issues profiling command on the peer node.
func (client *peerRESTClient) StartProfiling(profiler string) error {
	values := make(url.Values)
	values.Set(peerRESTProfiler, profiler)
	respBody, err := client.call(peerRESTMethodStartProfiling, values, nil, -1)
	if err != nil {
		return err
	}
	defer xhttp.DrainBody(respBody)
	return nil
}

	}

	// Stop profiler of all types if already running
	for k, v := range globalProfiler {
		v.Stop()
		delete(globalProfiler, k)
	}

	// Start profiling on remote servers.
	for _, profiler := range profiles {
		globalNotificationSys.StartProfiling(profiler)

		// Start profiling locally as well.
		prof, err := startProfiler(profiler)
		if err == nil {

// Add tests for starting and stopping different profilers.
func TestStartProfiler(t *testing.T) {
	_, err := startProfiler("")
	if err == nil {
		t.Fatal("Expected a non nil error, but nil error returned for invalid profiler.")
	}
}

// checkURL - checks if passed address correspond
func checkURL(urlStr string) (*url.URL, error) {
	if urlStr == "" {
		return nil, errors.New("Address cannot be empty")
	}

	runtime.SetBlockProfileRate(0)     // Disable until needed
}

// Starts a profiler returns nil if profiler is not enabled, caller needs to handle this.
func startProfiler(profilerType string) (minioProfiler, error) {
	var prof profilerWrapper
	prof.ext = "pprof"
	// Enable profiler and set the name of the file that pkg/pprof
	// library creates to store profiling data.

func (sys *NotificationSys) StartProfiling(profiler string) []NotificationPeerErr {
	ng := WithNPeers(len(sys.peerClients))
	for idx, client := range sys.peerClients {
		if client == nil {
			continue
		}
		client := client
		ng.Go(GlobalContext, func() error {
			return client.StartProfiling(profiler)
		}, idx, *client.host)
	}
	return ng.Wait()
}

	peerRESTUserOrGroup    = "user-or-group"
	peerRESTUserType       = "user-type"
	peerRESTIsGroup        = "is-group"
	peerRESTSignal         = "signal"
	peerRESTSubSys         = "sub-sys"
	peerRESTProfiler       = "profiler"
	peerRESTSize           = "size"
	peerRESTConcurrent     = "concurrent"
	peerRESTDuration       = "duration"
	peerRESTStorageClass   = "storage-class"
	peerRESTEnableSha256   = "enableSha256"