core/wayland: thread-safety meta fixes + cleanups + hypr workaround

- fork go-wayland/client and modify to make it thread-safe internally
- use sync.Map and atomic values in many places to cut down on mutex
  boilerplate
- do not create extworkspace client unless explicitly requested

core/internal/proto/dwl_ipc/dwl_ipc.go

@@ -1,12 +1,12 @@
 // Generated by go-wayland-scanner
-// https://github.com/yaslama/go-wayland/cmd/go-wayland-scanner
+// https://github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/cmd/go-wayland-scanner
 // XML file : internal/proto/xml/dwl-ipc-unstable-v2.xml
 //
 // dwl_ipc_unstable_v2 Protocol Copyright:
 
 package dwl_ipc
 
-import "github.com/yaslama/go-wayland/wayland/client"
+import "github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/wayland/client"
 
 // ZdwlIpcManagerV2InterfaceName is the name of the interface as it appears in the [client.Registry].
 // It can be used to match the [client.RegistryGlobalEvent.Interface] in the

core/internal/proto/ext_workspace/workspace.go

@@ -1,5 +1,5 @@
 // Generated by go-wayland-scanner
-// https://github.com/yaslama/go-wayland/cmd/go-wayland-scanner
+// https://github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/cmd/go-wayland-scanner
 // XML file : ext-workspace-v1.xml
 //
 // ext_workspace_v1 Protocol Copyright:
@@ -33,9 +33,10 @@ package ext_workspace
 
 import (
 	"reflect"
+	"sync"
 	"unsafe"
 
-	"github.com/yaslama/go-wayland/wayland/client"
+	"github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/wayland/client"
 )
 
 // registerServerProxy registers a proxy with a server-assigned ID.
@@ -61,8 +62,9 @@ func registerServerProxy(ctx *client.Context, proxy client.Proxy, serverID uint3
 		return
 	}
 
-	objectsMap := reflect.NewAt(objectsField.Type(), unsafe.Pointer(objectsField.UnsafeAddr())).Elem()
-	objectsMap.SetMapIndex(reflect.ValueOf(serverID), reflect.ValueOf(proxy))
+	objectsMapPtr := unsafe.Pointer(objectsField.UnsafeAddr())
+	objectsMap := (*sync.Map)(objectsMapPtr)
+	objectsMap.Store(serverID, proxy)
 }
 
 // ExtWorkspaceManagerV1InterfaceName is the name of the interface as it appears in the [client.Registry].

core/internal/proto/wlr_gamma_control/gamma_control.go

@@ -1,5 +1,5 @@
 // Generated by go-wayland-scanner
-// https://github.com/yaslama/go-wayland/cmd/go-wayland-scanner
+// https://github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/cmd/go-wayland-scanner
 // XML file : wayland-protocols/wlr-gamma-control-unstable-v1.xml
 //
 // wlr_gamma_control_unstable_v1 Protocol Copyright:
@@ -31,7 +31,7 @@
 package wlr_gamma_control
 
 import (
-	"github.com/yaslama/go-wayland/wayland/client"
+	"github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/wayland/client"
 	"golang.org/x/sys/unix"
 )
 

core/internal/proto/wlr_output_management/output_management.go

@@ -1,5 +1,5 @@
 // Generated by go-wayland-scanner
-// https://github.com/yaslama/go-wayland/cmd/go-wayland-scanner
+// https://github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/cmd/go-wayland-scanner
 // XML file : /home/brandon/repos/dankdots/wlr-output-management-unstable-v1.xml
 //
 // wlr_output_management_unstable_v1 Protocol Copyright:
@@ -31,9 +31,10 @@ package wlr_output_management
 
 import (
 	"reflect"
+	"sync"
 	"unsafe"
 
-	"github.com/yaslama/go-wayland/wayland/client"
+	"github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/wayland/client"
 )
 
 func registerServerProxy(ctx *client.Context, proxy client.Proxy, serverID uint32) {
@@ -47,9 +48,9 @@ func registerServerProxy(ctx *client.Context, proxy client.Proxy, serverID uint3
 	if !objectsField.IsValid() {
 		return
 	}
-	objectsField = reflect.NewAt(objectsField.Type(), unsafe.Pointer(objectsField.UnsafeAddr())).Elem()
-	objectsMap := objectsField.Interface().(map[uint32]client.Proxy)
-	objectsMap[serverID] = proxy
+	objectsMapPtr := unsafe.Pointer(objectsField.UnsafeAddr())
+	objectsMap := (*sync.Map)(objectsMapPtr)
+	objectsMap.Store(serverID, proxy)
 }
 
 // ZwlrOutputManagerV1InterfaceName is the name of the interface as it appears in the [client.Registry].

core/internal/server/bluez/manager.go

@@ -30,9 +30,8 @@ func NewManager() (*Manager, error) {
 			PairedDevices:    []Device{},
 			ConnectedDevices: []Device{},
 		},
-		stateMutex:         sync.RWMutex{},
-		subscribers:        make(map[string]chan BluetoothState),
-		subMutex:           sync.RWMutex{},
+		stateMutex: sync.RWMutex{},
+
 		stopChan:           make(chan struct{}),
 		dbusConn:           conn,
 		signals:            make(chan *dbus.Signal, 256),
@@ -430,28 +429,21 @@ func (m *Manager) notifier() {
 			}
 			m.updateDevices()
 
-			m.subMutex.RLock()
-			if len(m.subscribers) == 0 {
-				m.subMutex.RUnlock()
-				pending = false
-				continue
-			}
-
 			currentState := m.snapshotState()
 
 			if m.lastNotifiedState != nil && !stateChanged(m.lastNotifiedState, &currentState) {
-				m.subMutex.RUnlock()
 				pending = false
 				continue
 			}
 
-			for _, ch := range m.subscribers {
+			m.subscribers.Range(func(key, value interface{}) bool {
+				ch := value.(chan BluetoothState)
 				select {
 				case ch <- currentState:
 				default:
 				}
-			}
-			m.subMutex.RUnlock()
+				return true
+			})
 
 			stateCopy := currentState
 			m.lastNotifiedState = &stateCopy
@@ -484,19 +476,14 @@ func (m *Manager) snapshotState() BluetoothState {
 
 func (m *Manager) Subscribe(id string) chan BluetoothState {
 	ch := make(chan BluetoothState, 64)
-	m.subMutex.Lock()
-	m.subscribers[id] = ch
-	m.subMutex.Unlock()
+	m.subscribers.Store(id, ch)
 	return ch
 }
 
 func (m *Manager) Unsubscribe(id string) {
-	m.subMutex.Lock()
-	if ch, ok := m.subscribers[id]; ok {
-		close(ch)
-		delete(m.subscribers, id)
+	if val, ok := m.subscribers.LoadAndDelete(id); ok {
+		close(val.(chan BluetoothState))
 	}
-	m.subMutex.Unlock()
 }
 
 func (m *Manager) SubscribePairing(id string) chan PairingPrompt {
@@ -618,12 +605,12 @@ func (m *Manager) Close() {
 		m.agent.Close()
 	}
 
-	m.subMutex.Lock()
-	for _, ch := range m.subscribers {
+	m.subscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan BluetoothState)
 		close(ch)
-	}
-	m.subscribers = make(map[string]chan BluetoothState)
-	m.subMutex.Unlock()
+		m.subscribers.Delete(key)
+		return true
+	})
 
 	m.pairingSubMutex.Lock()
 	for _, ch := range m.pairingSubscribers {

core/internal/server/bluez/types.go

@@ -59,8 +59,7 @@ type PairingPrompt struct {
 type Manager struct {
 	state              *BluetoothState
 	stateMutex         sync.RWMutex
-	subscribers        map[string]chan BluetoothState
-	subMutex           sync.RWMutex
+	subscribers        sync.Map
 	stopChan           chan struct{}
 	dbusConn           *dbus.Conn
 	signals            chan *dbus.Signal

core/internal/server/brightness/manager.go

@@ -15,10 +15,8 @@ func NewManager() (*Manager, error) {
 
 func NewManagerWithOptions(exponential bool) (*Manager, error) {
 	m := &Manager{
-		subscribers:       make(map[string]chan State),
-		updateSubscribers: make(map[string]chan DeviceUpdate),
-		stopChan:          make(chan struct{}),
-		exponential:       exponential,
+		stopChan:    make(chan struct{}),
+		exponential: exponential,
 	}
 
 	go m.initLogind()
@@ -360,20 +358,14 @@ func (m *Manager) broadcastDeviceUpdate(deviceID string) {
 
 	update := DeviceUpdate{Device: *targetDevice}
 
-	m.subMutex.RLock()
-	defer m.subMutex.RUnlock()
-
-	if len(m.updateSubscribers) == 0 {
-		log.Debugf("No update subscribers for device: %s", deviceID)
-		return
-	}
-
 	log.Debugf("Broadcasting device update: %s at %d%%", deviceID, targetDevice.CurrentPercent)
 
-	for _, ch := range m.updateSubscribers {
+	m.updateSubscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan DeviceUpdate)
 		select {
 		case ch <- update:
 		default:
 		}
-	}
+		return true
+	})
 }

core/internal/server/brightness/sysfs_logind_test.go

@@ -41,13 +41,11 @@ func TestManager_SetBrightness_LogindSuccess(t *testing.T) {
 	}
 
 	m := &Manager{
-		logindBackend:     mockLogind,
-		sysfsBackend:      sysfs,
-		logindReady:       true,
-		sysfsReady:        true,
-		subscribers:       make(map[string]chan State),
-		updateSubscribers: make(map[string]chan DeviceUpdate),
-		stopChan:          make(chan struct{}),
+		logindBackend: mockLogind,
+		sysfsBackend:  sysfs,
+		logindReady:   true,
+		sysfsReady:    true,
+		stopChan:      make(chan struct{}),
 	}
 
 	m.state = State{
@@ -115,13 +113,11 @@ func TestManager_SetBrightness_LogindFailsFallbackToSysfs(t *testing.T) {
 	}
 
 	m := &Manager{
-		logindBackend:     mockLogind,
-		sysfsBackend:      sysfs,
-		logindReady:       true,
-		sysfsReady:        true,
-		subscribers:       make(map[string]chan State),
-		updateSubscribers: make(map[string]chan DeviceUpdate),
-		stopChan:          make(chan struct{}),
+		logindBackend: mockLogind,
+		sysfsBackend:  sysfs,
+		logindReady:   true,
+		sysfsReady:    true,
+		stopChan:      make(chan struct{}),
 	}
 
 	m.state = State{
@@ -185,13 +181,11 @@ func TestManager_SetBrightness_NoLogind(t *testing.T) {
 	}
 
 	m := &Manager{
-		logindBackend:     nil,
-		sysfsBackend:      sysfs,
-		logindReady:       false,
-		sysfsReady:        true,
-		subscribers:       make(map[string]chan State),
-		updateSubscribers: make(map[string]chan DeviceUpdate),
-		stopChan:          make(chan struct{}),
+		logindBackend: nil,
+		sysfsBackend:  sysfs,
+		logindReady:   false,
+		sysfsReady:    true,
+		stopChan:      make(chan struct{}),
 	}
 
 	m.state = State{
@@ -250,13 +244,11 @@ func TestManager_SetBrightness_LEDWithLogind(t *testing.T) {
 	}
 
 	m := &Manager{
-		logindBackend:     mockLogind,
-		sysfsBackend:      sysfs,
-		logindReady:       true,
-		sysfsReady:        true,
-		subscribers:       make(map[string]chan State),
-		updateSubscribers: make(map[string]chan DeviceUpdate),
-		stopChan:          make(chan struct{}),
+		logindBackend: mockLogind,
+		sysfsBackend:  sysfs,
+		logindReady:   true,
+		sysfsReady:    true,
+		stopChan:      make(chan struct{}),
 	}
 
 	m.state = State{

core/internal/server/brightness/types.go

@@ -51,9 +51,8 @@ type Manager struct {
 	stateMutex sync.RWMutex
 	state      State
 
-	subscribers       map[string]chan State
-	updateSubscribers map[string]chan DeviceUpdate
-	subMutex          sync.RWMutex
+	subscribers       sync.Map
+	updateSubscribers sync.Map
 
 	broadcastMutex   sync.Mutex
 	broadcastTimer   *time.Timer
@@ -121,36 +120,31 @@ type SetBrightnessParams struct {
 
 func (m *Manager) Subscribe(id string) chan State {
 	ch := make(chan State, 16)
-	m.subMutex.Lock()
-	m.subscribers[id] = ch
-	m.subMutex.Unlock()
+
+	m.subscribers.Store(id, ch)
+
 	return ch
 }
 
 func (m *Manager) Unsubscribe(id string) {
-	m.subMutex.Lock()
-	if ch, ok := m.subscribers[id]; ok {
-		close(ch)
-		delete(m.subscribers, id)
+
+	if val, ok := m.subscribers.LoadAndDelete(id); ok {
+		close(val.(chan State))
+
 	}
-	m.subMutex.Unlock()
+
 }
 
 func (m *Manager) SubscribeUpdates(id string) chan DeviceUpdate {
 	ch := make(chan DeviceUpdate, 16)
-	m.subMutex.Lock()
-	m.updateSubscribers[id] = ch
-	m.subMutex.Unlock()
+	m.updateSubscribers.Store(id, ch)
 	return ch
 }
 
 func (m *Manager) UnsubscribeUpdates(id string) {
-	m.subMutex.Lock()
-	if ch, ok := m.updateSubscribers[id]; ok {
-		close(ch)
-		delete(m.updateSubscribers, id)
+	if val, ok := m.updateSubscribers.LoadAndDelete(id); ok {
+		close(val.(chan DeviceUpdate))
 	}
-	m.subMutex.Unlock()
 }
 
 func (m *Manager) NotifySubscribers() {
@@ -158,15 +152,14 @@ func (m *Manager) NotifySubscribers() {
 	state := m.state
 	m.stateMutex.RUnlock()
 
-	m.subMutex.RLock()
-	defer m.subMutex.RUnlock()
-
-	for _, ch := range m.subscribers {
+	m.subscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan State)
 		select {
 		case ch <- state:
 		default:
 		}
-	}
+		return true
+	})
 }
 
 func (m *Manager) GetState() State {
@@ -178,16 +171,18 @@ func (m *Manager) GetState() State {
 func (m *Manager) Close() {
 	close(m.stopChan)
 
-	m.subMutex.Lock()
-	for _, ch := range m.subscribers {
+	m.subscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan State)
 		close(ch)
-	}
-	m.subscribers = make(map[string]chan State)
-	for _, ch := range m.updateSubscribers {
+		m.subscribers.Delete(key)
+		return true
+	})
+	m.updateSubscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan DeviceUpdate)
 		close(ch)
-	}
-	m.updateSubscribers = make(map[string]chan DeviceUpdate)
-	m.subMutex.Unlock()
+		m.updateSubscribers.Delete(key)
+		return true
+	})
 
 	if m.logindBackend != nil {
 		m.logindBackend.Close()

core/internal/server/cups/manager.go

@@ -35,13 +35,11 @@ func NewManager() (*Manager, error) {
 		state: &CUPSState{
 			Printers: make(map[string]*Printer),
 		},
-		client:      client,
-		baseURL:     baseURL,
-		stateMutex:  sync.RWMutex{},
-		stopChan:    make(chan struct{}),
-		dirty:       make(chan struct{}, 1),
-		subscribers: make(map[string]chan CUPSState),
-		subMutex:    sync.RWMutex{},
+		client:     client,
+		baseURL:    baseURL,
+		stateMutex: sync.RWMutex{},
+		stopChan:   make(chan struct{}),
+		dirty:      make(chan struct{}, 1),
 	}
 
 	if err := m.updateState(); err != nil {
@@ -142,28 +140,22 @@ func (m *Manager) notifier() {
 			if !pending {
 				continue
 			}
-			m.subMutex.RLock()
-			if len(m.subscribers) == 0 {
-				m.subMutex.RUnlock()
-				pending = false
-				continue
-			}
 
 			currentState := m.snapshotState()
 
 			if m.lastNotifiedState != nil && !stateChanged(m.lastNotifiedState, &currentState) {
-				m.subMutex.RUnlock()
 				pending = false
 				continue
 			}
 
-			for _, ch := range m.subscribers {
+			m.subscribers.Range(func(key, value interface{}) bool {
+				ch := value.(chan CUPSState)
 				select {
 				case ch <- currentState:
 				default:
 				}
-			}
-			m.subMutex.RUnlock()
+				return true
+			})
 
 			stateCopy := currentState
 			m.lastNotifiedState = &stateCopy
@@ -199,10 +191,14 @@ func (m *Manager) snapshotState() CUPSState {
 
 func (m *Manager) Subscribe(id string) chan CUPSState {
 	ch := make(chan CUPSState, 64)
-	m.subMutex.Lock()
-	wasEmpty := len(m.subscribers) == 0
-	m.subscribers[id] = ch
-	m.subMutex.Unlock()
+
+	wasEmpty := true
+	m.subscribers.Range(func(key, value interface{}) bool {
+		wasEmpty = false
+		return false
+	})
+
+	m.subscribers.Store(id, ch)
 
 	if wasEmpty && m.subscription != nil {
 		if err := m.subscription.Start(); err != nil {
@@ -217,13 +213,15 @@ func (m *Manager) Subscribe(id string) chan CUPSState {
 }
 
 func (m *Manager) Unsubscribe(id string) {
-	m.subMutex.Lock()
-	if ch, ok := m.subscribers[id]; ok {
-		close(ch)
-		delete(m.subscribers, id)
+	if val, ok := m.subscribers.LoadAndDelete(id); ok {
+		close(val.(chan CUPSState))
 	}
-	isEmpty := len(m.subscribers) == 0
-	m.subMutex.Unlock()
+
+	isEmpty := true
+	m.subscribers.Range(func(key, value interface{}) bool {
+		isEmpty = false
+		return false
+	})
 
 	if isEmpty && m.subscription != nil {
 		m.subscription.Stop()
@@ -241,12 +239,12 @@ func (m *Manager) Close() {
 	m.eventWG.Wait()
 	m.notifierWg.Wait()
 
-	m.subMutex.Lock()
-	for _, ch := range m.subscribers {
+	m.subscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan CUPSState)
 		close(ch)
-	}
-	m.subscribers = make(map[string]chan CUPSState)
-	m.subMutex.Unlock()
+		m.subscribers.Delete(key)
+		return true
+	})
 }
 
 func stateChanged(old, new *CUPSState) bool {

core/internal/server/cups/manager_test.go

@@ -13,10 +13,9 @@ func TestNewManager(t *testing.T) {
 		state: &CUPSState{
 			Printers: make(map[string]*Printer),
 		},
-		client:      nil,
-		stopChan:    make(chan struct{}),
-		dirty:       make(chan struct{}, 1),
-		subscribers: make(map[string]chan CUPSState),
+		client:   nil,
+		stopChan: make(chan struct{}),
+		dirty:    make(chan struct{}, 1),
 	}
 
 	assert.NotNil(t, m)
@@ -35,10 +34,9 @@ func TestManager_GetState(t *testing.T) {
 				},
 			},
 		},
-		client:      mockClient,
-		stopChan:    make(chan struct{}),
-		dirty:       make(chan struct{}, 1),
-		subscribers: make(map[string]chan CUPSState),
+		client:   mockClient,
+		stopChan: make(chan struct{}),
+		dirty:    make(chan struct{}, 1),
 	}
 
 	state := m.GetState()
@@ -53,18 +51,28 @@ func TestManager_Subscribe(t *testing.T) {
 		state: &CUPSState{
 			Printers: make(map[string]*Printer),
 		},
-		client:      mockClient,
-		stopChan:    make(chan struct{}),
-		dirty:       make(chan struct{}, 1),
-		subscribers: make(map[string]chan CUPSState),
+		client:   mockClient,
+		stopChan: make(chan struct{}),
+		dirty:    make(chan struct{}, 1),
 	}
 
 	ch := m.Subscribe("test-client")
 	assert.NotNil(t, ch)
-	assert.Equal(t, 1, len(m.subscribers))
+
+	count := 0
+	m.subscribers.Range(func(key, value interface{}) bool {
+		count++
+		return true
+	})
+	assert.Equal(t, 1, count)
 
 	m.Unsubscribe("test-client")
-	assert.Equal(t, 0, len(m.subscribers))
+	count = 0
+	m.subscribers.Range(func(key, value interface{}) bool {
+		count++
+		return true
+	})
+	assert.Equal(t, 0, count)
 }
 
 func TestManager_Close(t *testing.T) {
@@ -74,10 +82,9 @@ func TestManager_Close(t *testing.T) {
 		state: &CUPSState{
 			Printers: make(map[string]*Printer),
 		},
-		client:      mockClient,
-		stopChan:    make(chan struct{}),
-		dirty:       make(chan struct{}, 1),
-		subscribers: make(map[string]chan CUPSState),
+		client:   mockClient,
+		stopChan: make(chan struct{}),
+		dirty:    make(chan struct{}, 1),
 	}
 
 	m.eventWG.Add(1)
@@ -93,7 +100,12 @@ func TestManager_Close(t *testing.T) {
 	}()
 
 	m.Close()
-	assert.Equal(t, 0, len(m.subscribers))
+	count := 0
+	m.subscribers.Range(func(key, value interface{}) bool {
+		count++
+		return true
+	})
+	assert.Equal(t, 0, count)
 }
 
 func TestStateChanged(t *testing.T) {

core/internal/server/cups/types.go

@@ -39,8 +39,7 @@ type Manager struct {
 	client            CUPSClientInterface
 	subscription      SubscriptionManagerInterface
 	stateMutex        sync.RWMutex
-	subscribers       map[string]chan CUPSState
-	subMutex          sync.RWMutex
+	subscribers       sync.Map
 	stopChan          chan struct{}
 	eventWG           sync.WaitGroup
 	dirty             chan struct{}

core/internal/server/dwl/manager.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"time"
 
-	wlclient "github.com/yaslama/go-wayland/wayland/client"
+	wlclient "github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/wayland/client"
 
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/log"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/proto/dwl_ipc"
@@ -18,9 +18,9 @@ func NewManager(display *wlclient.Display) (*Manager, error) {
 		cmdq:           make(chan cmd, 128),
 		outputSetupReq: make(chan uint32, 16),
 		stopChan:       make(chan struct{}),
-		subscribers:    make(map[string]chan State),
-		dirty:          make(chan struct{}, 1),
-		layouts:        make([]string, 0),
+
+		dirty:   make(chan struct{}, 1),
+		layouts: make([]string, 0),
 	}
 
 	if err := m.setupRegistry(); err != nil {
@@ -365,14 +365,6 @@ func (m *Manager) notifier() {
 			if !pending {
 				continue
 			}
-			m.subMutex.RLock()
-			subCount := len(m.subscribers)
-			m.subMutex.RUnlock()
-
-			if subCount == 0 {
-				pending = false
-				continue
-			}
 
 			currentState := m.GetState()
 
@@ -381,15 +373,15 @@ func (m *Manager) notifier() {
 				continue
 			}
 
-			m.subMutex.RLock()
-			for _, ch := range m.subscribers {
+			m.subscribers.Range(func(key, value interface{}) bool {
+				ch := value.(chan State)
 				select {
 				case ch <- currentState:
 				default:
 					log.Warn("DWL: subscriber channel full, dropping update")
 				}
-			}
-			m.subMutex.RUnlock()
+				return true
+			})
 
 			stateCopy := currentState
 			m.lastNotified = &stateCopy
@@ -518,12 +510,12 @@ func (m *Manager) Close() {
 	m.wg.Wait()
 	m.notifierWg.Wait()
 
-	m.subMutex.Lock()
-	for _, ch := range m.subscribers {
+	m.subscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan State)
 		close(ch)
-	}
-	m.subscribers = make(map[string]chan State)
-	m.subMutex.Unlock()
+		m.subscribers.Delete(key)
+		return true
+	})
 
 	m.outputsMutex.Lock()
 	for _, out := range m.outputs {

core/internal/server/dwl/types.go

@@ -3,7 +3,7 @@ package dwl
 import (
 	"sync"
 
-	wlclient "github.com/yaslama/go-wayland/wayland/client"
+	wlclient "github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/wayland/client"
 )
 
 type TagState struct {
@@ -52,8 +52,7 @@ type Manager struct {
 	stopChan       chan struct{}
 	wg             sync.WaitGroup
 
-	subscribers  map[string]chan State
-	subMutex     sync.RWMutex
+	subscribers  sync.Map
 	dirty        chan struct{}
 	notifierWg   sync.WaitGroup
 	lastNotified *State
@@ -92,19 +91,19 @@ func (m *Manager) GetState() State {
 
 func (m *Manager) Subscribe(id string) chan State {
 	ch := make(chan State, 64)
-	m.subMutex.Lock()
-	m.subscribers[id] = ch
-	m.subMutex.Unlock()
+
+	m.subscribers.Store(id, ch)
+
 	return ch
 }
 
 func (m *Manager) Unsubscribe(id string) {
-	m.subMutex.Lock()
-	if ch, ok := m.subscribers[id]; ok {
-		close(ch)
-		delete(m.subscribers, id)
+
+	if val, ok := m.subscribers.LoadAndDelete(id); ok {
+		close(val.(chan State))
+
 	}
-	m.subMutex.Unlock()
+
 }
 
 func (m *Manager) notifySubscribers() {

core/internal/server/evdev/handlers_test.go

@@ -47,10 +47,9 @@ func TestHandleRequest(t *testing.T) {
 		mockDevice.EXPECT().ReadOne().Return(nil, errors.New("test")).Maybe()
 
 		m := &Manager{
-			devices:     []EvdevDevice{mockDevice},
-			state:       State{Available: true, CapsLock: true},
-			subscribers: make(map[string]chan State),
-			closeChan:   make(chan struct{}),
+			devices:   []EvdevDevice{mockDevice},
+			state:     State{Available: true, CapsLock: true},
+			closeChan: make(chan struct{}),
 		}
 
 		conn := newMockNetConn()
@@ -77,10 +76,9 @@ func TestHandleRequest(t *testing.T) {
 		mockDevice.EXPECT().ReadOne().Return(nil, errors.New("test")).Maybe()
 
 		m := &Manager{
-			devices:     []EvdevDevice{mockDevice},
-			state:       State{Available: true, CapsLock: false},
-			subscribers: make(map[string]chan State),
-			closeChan:   make(chan struct{}),
+			devices:   []EvdevDevice{mockDevice},
+			state:     State{Available: true, CapsLock: false},
+			closeChan: make(chan struct{}),
 		}
 
 		conn := newMockNetConn()
@@ -107,10 +105,9 @@ func TestHandleGetState(t *testing.T) {
 	mockDevice.EXPECT().ReadOne().Return(nil, errors.New("test")).Maybe()
 
 	m := &Manager{
-		devices:     []EvdevDevice{mockDevice},
-		state:       State{Available: true, CapsLock: false},
-		subscribers: make(map[string]chan State),
-		closeChan:   make(chan struct{}),
+		devices:   []EvdevDevice{mockDevice},
+		state:     State{Available: true, CapsLock: false},
+		closeChan: make(chan struct{}),
 	}
 
 	conn := newMockNetConn()

core/internal/server/evdev/manager.go

@@ -35,8 +35,7 @@ type Manager struct {
 	monitoredPaths map[string]bool
 	state          State
 	stateMutex     sync.RWMutex
-	subscribers    map[string]chan State
-	subMutex       sync.RWMutex
+	subscribers    sync.Map
 	closeChan      chan struct{}
 	closeOnce      sync.Once
 	watcher        *fsnotify.Watcher
@@ -69,9 +68,9 @@ func NewManager() (*Manager, error) {
 		devices:        devices,
 		monitoredPaths: monitoredPaths,
 		state:          State{Available: true, CapsLock: initialCapsLock},
-		subscribers:    make(map[string]chan State),
-		closeChan:      make(chan struct{}),
-		watcher:        watcher,
+
+		closeChan: make(chan struct{}),
+		watcher:   watcher,
 	}
 
 	for i, device := range devices {
@@ -332,37 +331,26 @@ func (m *Manager) GetState() State {
 }
 
 func (m *Manager) Subscribe(id string) chan State {
-	m.subMutex.Lock()
-	defer m.subMutex.Unlock()
-
 	ch := make(chan State, 16)
-	m.subscribers[id] = ch
+	m.subscribers.Store(id, ch)
 	return ch
 }
 
 func (m *Manager) Unsubscribe(id string) {
-	m.subMutex.Lock()
-	defer m.subMutex.Unlock()
-
-	ch, ok := m.subscribers[id]
-	if !ok {
-		return
+	if val, ok := m.subscribers.LoadAndDelete(id); ok {
+		close(val.(chan State))
 	}
-
-	close(ch)
-	delete(m.subscribers, id)
 }
 
 func (m *Manager) notifySubscribers(state State) {
-	m.subMutex.RLock()
-	defer m.subMutex.RUnlock()
-
-	for _, ch := range m.subscribers {
+	m.subscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan State)
 		select {
 		case ch <- state:
 		default:
 		}
-	}
+		return true
+	})
 }
 
 func (m *Manager) Close() {
@@ -384,12 +372,12 @@ func (m *Manager) Close() {
 		}
 		m.devicesMutex.Unlock()
 
-		m.subMutex.Lock()
-		for id, ch := range m.subscribers {
+		m.subscribers.Range(func(key, value interface{}) bool {
+			ch := value.(chan State)
 			close(ch)
-			delete(m.subscribers, id)
-		}
-		m.subMutex.Unlock()
+			m.subscribers.Delete(key)
+			return true
+		})
 	})
 }
 

core/internal/server/evdev/manager_test.go

@@ -16,10 +16,9 @@ func TestManager_Creation(t *testing.T) {
 		mockDevice.EXPECT().ReadOne().Return(nil, errors.New("test")).Maybe()
 
 		m := &Manager{
-			devices:     []EvdevDevice{mockDevice},
-			state:       State{Available: true, CapsLock: false},
-			subscribers: make(map[string]chan State),
-			closeChan:   make(chan struct{}),
+			devices:   []EvdevDevice{mockDevice},
+			state:     State{Available: true, CapsLock: false},
+			closeChan: make(chan struct{}),
 		}
 
 		assert.NotNil(t, m)
@@ -32,10 +31,9 @@ func TestManager_Creation(t *testing.T) {
 		mockDevice.EXPECT().ReadOne().Return(nil, errors.New("test")).Maybe()
 
 		m := &Manager{
-			devices:     []EvdevDevice{mockDevice},
-			state:       State{Available: true, CapsLock: true},
-			subscribers: make(map[string]chan State),
-			closeChan:   make(chan struct{}),
+			devices:   []EvdevDevice{mockDevice},
+			state:     State{Available: true, CapsLock: true},
+			closeChan: make(chan struct{}),
 		}
 
 		assert.NotNil(t, m)
@@ -52,7 +50,6 @@ func TestManager_GetState(t *testing.T) {
 		devices:        []EvdevDevice{mockDevice},
 		monitoredPaths: make(map[string]bool),
 		state:          State{Available: true, CapsLock: false},
-		subscribers:    make(map[string]chan State),
 		closeChan:      make(chan struct{}),
 	}
 
@@ -69,13 +66,17 @@ func TestManager_Subscribe(t *testing.T) {
 		devices:        []EvdevDevice{mockDevice},
 		monitoredPaths: make(map[string]bool),
 		state:          State{Available: true, CapsLock: false},
-		subscribers:    make(map[string]chan State),
 		closeChan:      make(chan struct{}),
 	}
 
 	ch := m.Subscribe("test-client")
 	assert.NotNil(t, ch)
-	assert.Len(t, m.subscribers, 1)
+	count := 0
+	m.subscribers.Range(func(key, value interface{}) bool {
+		count++
+		return true
+	})
+	assert.Equal(t, 1, count)
 }
 
 func TestManager_Unsubscribe(t *testing.T) {
@@ -86,15 +87,24 @@ func TestManager_Unsubscribe(t *testing.T) {
 		devices:        []EvdevDevice{mockDevice},
 		monitoredPaths: make(map[string]bool),
 		state:          State{Available: true, CapsLock: false},
-		subscribers:    make(map[string]chan State),
 		closeChan:      make(chan struct{}),
 	}
 
 	ch := m.Subscribe("test-client")
-	assert.Len(t, m.subscribers, 1)
+	count := 0
+	m.subscribers.Range(func(key, value interface{}) bool {
+		count++
+		return true
+	})
+	assert.Equal(t, 1, count)
 
 	m.Unsubscribe("test-client")
-	assert.Len(t, m.subscribers, 0)
+	count = 0
+	m.subscribers.Range(func(key, value interface{}) bool {
+		count++
+		return true
+	})
+	assert.Equal(t, 0, count)
 
 	select {
 	case _, ok := <-ch:
@@ -112,7 +122,6 @@ func TestManager_UpdateCapsLock(t *testing.T) {
 		devices:        []EvdevDevice{mockDevice},
 		monitoredPaths: make(map[string]bool),
 		state:          State{Available: true, CapsLock: false},
-		subscribers:    make(map[string]chan State),
 		closeChan:      make(chan struct{}),
 	}
 
@@ -148,7 +157,6 @@ func TestManager_Close(t *testing.T) {
 		devices:        []EvdevDevice{mockDevice},
 		monitoredPaths: make(map[string]bool),
 		state:          State{Available: true, CapsLock: false},
-		subscribers:    make(map[string]chan State),
 		closeChan:      make(chan struct{}),
 	}
 
@@ -171,7 +179,12 @@ func TestManager_Close(t *testing.T) {
 		t.Error("channel 2 should be closed")
 	}
 
-	assert.Len(t, m.subscribers, 0)
+	count := 0
+	m.subscribers.Range(func(key, value interface{}) bool {
+		count++
+		return true
+	})
+	assert.Equal(t, 0, count)
 
 	m.Close()
 }
@@ -230,10 +243,9 @@ func TestManager_MonitorDevice(t *testing.T) {
 		mockDevice.EXPECT().Close().Return(nil).Maybe()
 
 		m := &Manager{
-			devices:     []EvdevDevice{mockDevice},
-			state:       State{Available: true, CapsLock: false},
-			subscribers: make(map[string]chan State),
-			closeChan:   make(chan struct{}),
+			devices:   []EvdevDevice{mockDevice},
+			state:     State{Available: true, CapsLock: false},
+			closeChan: make(chan struct{}),
 		}
 
 		ch := m.Subscribe("test")
@@ -276,7 +288,6 @@ func TestNotifySubscribers(t *testing.T) {
 		devices:        []EvdevDevice{mockDevice},
 		monitoredPaths: make(map[string]bool),
 		state:          State{Available: true, CapsLock: false},
-		subscribers:    make(map[string]chan State),
 		closeChan:      make(chan struct{}),
 	}
 

core/internal/server/extworkspace/manager.go

@@ -6,7 +6,7 @@ import (
 
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/log"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/proto/ext_workspace"
-	wlclient "github.com/yaslama/go-wayland/wayland/client"
+	wlclient "github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/wayland/client"
 )
 
 func NewManager(display *wlclient.Display) (*Manager, error) {
@@ -19,8 +19,8 @@ func NewManager(display *wlclient.Display) (*Manager, error) {
 		workspaces:  make(map[uint32]*workspaceState),
 		cmdq:        make(chan cmd, 128),
 		stopChan:    make(chan struct{}),
-		subscribers: make(map[string]chan State),
-		dirty:       make(chan struct{}, 1),
+
+		dirty: make(chan struct{}, 1),
 	}
 
 	m.wg.Add(1)
@@ -389,14 +389,6 @@ func (m *Manager) notifier() {
 			if !pending {
 				continue
 			}
-			m.subMutex.RLock()
-			subCount := len(m.subscribers)
-			m.subMutex.RUnlock()
-
-			if subCount == 0 {
-				pending = false
-				continue
-			}
 
 			currentState := m.GetState()
 
@@ -405,15 +397,15 @@ func (m *Manager) notifier() {
 				continue
 			}
 
-			m.subMutex.RLock()
-			for _, ch := range m.subscribers {
+			m.subscribers.Range(func(key, value interface{}) bool {
+				ch := value.(chan State)
 				select {
 				case ch <- currentState:
 				default:
 					log.Warn("ExtWorkspace: subscriber channel full, dropping update")
 				}
-			}
-			m.subMutex.RUnlock()
+				return true
+			})
 
 			stateCopy := currentState
 			m.lastNotified = &stateCopy
@@ -564,12 +556,12 @@ func (m *Manager) Close() {
 	m.wg.Wait()
 	m.notifierWg.Wait()
 
-	m.subMutex.Lock()
-	for _, ch := range m.subscribers {
+	m.subscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan State)
 		close(ch)
-	}
-	m.subscribers = make(map[string]chan State)
-	m.subMutex.Unlock()
+		m.subscribers.Delete(key)
+		return true
+	})
 
 	m.workspacesMutex.Lock()
 	for _, ws := range m.workspaces {

core/internal/server/extworkspace/types.go

@@ -4,7 +4,7 @@ import (
 	"sync"
 
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/proto/ext_workspace"
-	wlclient "github.com/yaslama/go-wayland/wayland/client"
+	wlclient "github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/wayland/client"
 )
 
 type Workspace struct {
@@ -52,8 +52,7 @@ type Manager struct {
 	stopChan chan struct{}
 	wg       sync.WaitGroup
 
-	subscribers  map[string]chan State
-	subMutex     sync.RWMutex
+	subscribers  sync.Map
 	dirty        chan struct{}
 	notifierWg   sync.WaitGroup
 	lastNotified *State
@@ -95,19 +94,19 @@ func (m *Manager) GetState() State {
 
 func (m *Manager) Subscribe(id string) chan State {
 	ch := make(chan State, 64)
-	m.subMutex.Lock()
-	m.subscribers[id] = ch
-	m.subMutex.Unlock()
+
+	m.subscribers.Store(id, ch)
+
 	return ch
 }
 
 func (m *Manager) Unsubscribe(id string) {
-	m.subMutex.Lock()
-	if ch, ok := m.subscribers[id]; ok {
-		close(ch)
-		delete(m.subscribers, id)
+
+	if val, ok := m.subscribers.LoadAndDelete(id); ok {
+		close(val.(chan State))
+
 	}
-	m.subMutex.Unlock()
+
 }
 
 func (m *Manager) notifySubscribers() {

core/internal/server/freedesktop/manager.go

@@ -29,8 +29,6 @@ func NewManager() (*Manager, error) {
 		systemConn:  systemConn,
 		sessionConn: sessionConn,
 		currentUID:  uint64(os.Getuid()),
-		subscribers: make(map[string]chan FreedeskState),
-		subMutex:    sync.RWMutex{},
 	}
 
 	m.initializeAccounts()
@@ -206,41 +204,35 @@ func (m *Manager) GetState() FreedeskState {
 
 func (m *Manager) Subscribe(id string) chan FreedeskState {
 	ch := make(chan FreedeskState, 64)
-	m.subMutex.Lock()
-	m.subscribers[id] = ch
-	m.subMutex.Unlock()
+	m.subscribers.Store(id, ch)
 	return ch
 }
 
 func (m *Manager) Unsubscribe(id string) {
-	m.subMutex.Lock()
-	if ch, ok := m.subscribers[id]; ok {
-		close(ch)
-		delete(m.subscribers, id)
+	if val, ok := m.subscribers.LoadAndDelete(id); ok {
+		close(val.(chan FreedeskState))
 	}
-	m.subMutex.Unlock()
 }
 
 func (m *Manager) NotifySubscribers() {
-	m.subMutex.RLock()
-	defer m.subMutex.RUnlock()
-
 	state := m.GetState()
-	for _, ch := range m.subscribers {
+	m.subscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan FreedeskState)
 		select {
 		case ch <- state:
 		default:
 		}
-	}
+		return true
+	})
 }
 
 func (m *Manager) Close() {
-	m.subMutex.Lock()
-	for id, ch := range m.subscribers {
+	m.subscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan FreedeskState)
 		close(ch)
-		delete(m.subscribers, id)
-	}
-	m.subMutex.Unlock()
+		m.subscribers.Delete(key)
+		return true
+	})
 
 	if m.systemConn != nil {
 		m.systemConn.Close()

core/internal/server/freedesktop/types.go

@@ -41,6 +41,5 @@ type Manager struct {
 	accountsObj dbus.BusObject
 	settingsObj dbus.BusObject
 	currentUID  uint64
-	subscribers map[string]chan FreedeskState
-	subMutex    sync.RWMutex
+	subscribers sync.Map
 }

core/internal/server/loginctl/handlers_test.go

@@ -466,9 +466,7 @@ func TestHandleSubscribe(t *testing.T) {
 			SessionID: "1",
 			Locked:    false,
 		},
-		stateMutex:  sync.RWMutex{},
-		subscribers: make(map[string]chan SessionState),
-		subMutex:    sync.RWMutex{},
+		stateMutex: sync.RWMutex{},
 	}
 
 	conn := newMockNetConn()

core/internal/server/loginctl/manager.go

@@ -25,13 +25,12 @@ func NewManager() (*Manager, error) {
 		state: &SessionState{
 			SessionID: sessionID,
 		},
-		stateMutex:  sync.RWMutex{},
-		subscribers: make(map[string]chan SessionState),
-		subMutex:    sync.RWMutex{},
-		stopChan:    make(chan struct{}),
-		conn:        conn,
-		dirty:       make(chan struct{}, 1),
-		signals:     make(chan *dbus.Signal, 256),
+		stateMutex: sync.RWMutex{},
+
+		stopChan: make(chan struct{}),
+		conn:     conn,
+		dirty:    make(chan struct{}, 1),
+		signals:  make(chan *dbus.Signal, 256),
 	}
 	m.sleepInhibitorEnabled.Store(true)
 
@@ -351,19 +350,14 @@ func (m *Manager) GetState() SessionState {
 
 func (m *Manager) Subscribe(id string) chan SessionState {
 	ch := make(chan SessionState, 64)
-	m.subMutex.Lock()
-	m.subscribers[id] = ch
-	m.subMutex.Unlock()
+	m.subscribers.Store(id, ch)
 	return ch
 }
 
 func (m *Manager) Unsubscribe(id string) {
-	m.subMutex.Lock()
-	if ch, ok := m.subscribers[id]; ok {
-		close(ch)
-		delete(m.subscribers, id)
+	if val, ok := m.subscribers.LoadAndDelete(id); ok {
+		close(val.(chan SessionState))
 	}
-	m.subMutex.Unlock()
 }
 
 func (m *Manager) notifier() {
@@ -387,28 +381,22 @@ func (m *Manager) notifier() {
 			if !pending {
 				continue
 			}
-			m.subMutex.RLock()
-			if len(m.subscribers) == 0 {
-				m.subMutex.RUnlock()
-				pending = false
-				continue
-			}
 
 			currentState := m.snapshotState()
 
 			if m.lastNotifiedState != nil && !stateChangedMeaningfully(m.lastNotifiedState, &currentState) {
-				m.subMutex.RUnlock()
 				pending = false
 				continue
 			}
 
-			for _, ch := range m.subscribers {
+			m.subscribers.Range(func(key, value interface{}) bool {
+				ch := value.(chan SessionState)
 				select {
 				case ch <- currentState:
 				default:
 				}
-			}
-			m.subMutex.RUnlock()
+				return true
+			})
 
 			stateCopy := currentState
 			m.lastNotifiedState = &stateCopy
@@ -584,12 +572,12 @@ func (m *Manager) Close() {
 
 	m.releaseSleepInhibitor()
 
-	m.subMutex.Lock()
-	for _, ch := range m.subscribers {
+	m.subscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan SessionState)
 		close(ch)
-	}
-	m.subscribers = make(map[string]chan SessionState)
-	m.subMutex.Unlock()
+		m.subscribers.Delete(key)
+		return true
+	})
 
 	if m.conn != nil {
 		m.conn.Close()

core/internal/server/loginctl/manager_test.go

@@ -34,26 +34,20 @@ func TestManager_GetState(t *testing.T) {
 
 func TestManager_Subscribe(t *testing.T) {
 	manager := &Manager{
-		state:       &SessionState{},
-		subscribers: make(map[string]chan SessionState),
-		subMutex:    sync.RWMutex{},
+		state: &SessionState{},
 	}
 
 	ch := manager.Subscribe("test-client")
 	assert.NotNil(t, ch)
 	assert.Equal(t, 64, cap(ch))
 
-	manager.subMutex.RLock()
-	_, exists := manager.subscribers["test-client"]
-	manager.subMutex.RUnlock()
+	_, exists := manager.subscribers.Load("test-client")
 	assert.True(t, exists)
 }
 
 func TestManager_Unsubscribe(t *testing.T) {
 	manager := &Manager{
-		state:       &SessionState{},
-		subscribers: make(map[string]chan SessionState),
-		subMutex:    sync.RWMutex{},
+		state: &SessionState{},
 	}
 
 	ch := manager.Subscribe("test-client")
@@ -63,17 +57,13 @@ func TestManager_Unsubscribe(t *testing.T) {
 	_, ok := <-ch
 	assert.False(t, ok)
 
-	manager.subMutex.RLock()
-	_, exists := manager.subscribers["test-client"]
-	manager.subMutex.RUnlock()
+	_, exists := manager.subscribers.Load("test-client")
 	assert.False(t, exists)
 }
 
 func TestManager_Unsubscribe_NonExistent(t *testing.T) {
 	manager := &Manager{
-		state:       &SessionState{},
-		subscribers: make(map[string]chan SessionState),
-		subMutex:    sync.RWMutex{},
+		state: &SessionState{},
 	}
 
 	// Unsubscribe a non-existent client should not panic
@@ -88,19 +78,15 @@ func TestManager_NotifySubscribers(t *testing.T) {
 			SessionID: "1",
 			Locked:    false,
 		},
-		stateMutex:  sync.RWMutex{},
-		subscribers: make(map[string]chan SessionState),
-		subMutex:    sync.RWMutex{},
-		stopChan:    make(chan struct{}),
-		dirty:       make(chan struct{}, 1),
+		stateMutex: sync.RWMutex{},
+		stopChan:   make(chan struct{}),
+		dirty:      make(chan struct{}, 1),
 	}
 	manager.notifierWg.Add(1)
 	go manager.notifier()
 
 	ch := make(chan SessionState, 10)
-	manager.subMutex.Lock()
-	manager.subscribers["test-client"] = ch
-	manager.subMutex.Unlock()
+	manager.subscribers.Store("test-client", ch)
 
 	manager.notifySubscribers()
 
@@ -122,19 +108,15 @@ func TestManager_NotifySubscribers_Debounce(t *testing.T) {
 			SessionID: "1",
 			Locked:    false,
 		},
-		stateMutex:  sync.RWMutex{},
-		subscribers: make(map[string]chan SessionState),
-		subMutex:    sync.RWMutex{},
-		stopChan:    make(chan struct{}),
-		dirty:       make(chan struct{}, 1),
+		stateMutex: sync.RWMutex{},
+		stopChan:   make(chan struct{}),
+		dirty:      make(chan struct{}, 1),
 	}
 	manager.notifierWg.Add(1)
 	go manager.notifier()
 
 	ch := make(chan SessionState, 10)
-	manager.subMutex.Lock()
-	manager.subscribers["test-client"] = ch
-	manager.subMutex.Unlock()
+	manager.subscribers.Store("test-client", ch)
 
 	manager.notifySubscribers()
 	manager.notifySubscribers()
@@ -157,19 +139,15 @@ func TestManager_NotifySubscribers_Debounce(t *testing.T) {
 
 func TestManager_Close(t *testing.T) {
 	manager := &Manager{
-		state:       &SessionState{},
-		stateMutex:  sync.RWMutex{},
-		subscribers: make(map[string]chan SessionState),
-		subMutex:    sync.RWMutex{},
-		stopChan:    make(chan struct{}),
+		state:      &SessionState{},
+		stateMutex: sync.RWMutex{},
+		stopChan:   make(chan struct{}),
 	}
 
 	ch1 := make(chan SessionState, 1)
 	ch2 := make(chan SessionState, 1)
-	manager.subMutex.Lock()
-	manager.subscribers["client1"] = ch1
-	manager.subscribers["client2"] = ch2
-	manager.subMutex.Unlock()
+	manager.subscribers.Store("client1", ch1)
+	manager.subscribers.Store("client2", ch2)
 
 	manager.Close()
 
@@ -184,7 +162,12 @@ func TestManager_Close(t *testing.T) {
 	assert.False(t, ok1, "ch1 should be closed")
 	assert.False(t, ok2, "ch2 should be closed")
 
-	assert.Len(t, manager.subscribers, 0)
+	count := 0
+	manager.subscribers.Range(func(key, value interface{}) bool {
+		count++
+		return true
+	})
+	assert.Equal(t, 0, count)
 }
 
 func TestManager_GetState_ThreadSafe(t *testing.T) {

core/internal/server/loginctl/monitor_test.go

@@ -14,10 +14,8 @@ func TestManager_HandleDBusSignal_Lock(t *testing.T) {
 			Locked:     false,
 			LockedHint: false,
 		},
-		stateMutex:  sync.RWMutex{},
-		subscribers: make(map[string]chan SessionState),
-		subMutex:    sync.RWMutex{},
-		dirty:       make(chan struct{}, 1),
+		stateMutex: sync.RWMutex{},
+		dirty:      make(chan struct{}, 1),
 	}
 
 	sig := &dbus.Signal{
@@ -38,10 +36,8 @@ func TestManager_HandleDBusSignal_Unlock(t *testing.T) {
 			Locked:     true,
 			LockedHint: true,
 		},
-		stateMutex:  sync.RWMutex{},
-		subscribers: make(map[string]chan SessionState),
-		subMutex:    sync.RWMutex{},
-		dirty:       make(chan struct{}, 1),
+		stateMutex: sync.RWMutex{},
+		dirty:      make(chan struct{}, 1),
 	}
 
 	sig := &dbus.Signal{
@@ -62,10 +58,8 @@ func TestManager_HandleDBusSignal_PrepareForSleep(t *testing.T) {
 			state: &SessionState{
 				PreparingForSleep: false,
 			},
-			stateMutex:  sync.RWMutex{},
-			subscribers: make(map[string]chan SessionState),
-			subMutex:    sync.RWMutex{},
-			dirty:       make(chan struct{}, 1),
+			stateMutex: sync.RWMutex{},
+			dirty:      make(chan struct{}, 1),
 		}
 
 		sig := &dbus.Signal{
@@ -85,10 +79,8 @@ func TestManager_HandleDBusSignal_PrepareForSleep(t *testing.T) {
 			state: &SessionState{
 				PreparingForSleep: true,
 			},
-			stateMutex:  sync.RWMutex{},
-			subscribers: make(map[string]chan SessionState),
-			subMutex:    sync.RWMutex{},
-			dirty:       make(chan struct{}, 1),
+			stateMutex: sync.RWMutex{},
+			dirty:      make(chan struct{}, 1),
 		}
 
 		sig := &dbus.Signal{
@@ -108,10 +100,8 @@ func TestManager_HandleDBusSignal_PrepareForSleep(t *testing.T) {
 			state: &SessionState{
 				PreparingForSleep: false,
 			},
-			stateMutex:  sync.RWMutex{},
-			subscribers: make(map[string]chan SessionState),
-			subMutex:    sync.RWMutex{},
-			dirty:       make(chan struct{}, 1),
+			stateMutex: sync.RWMutex{},
+			dirty:      make(chan struct{}, 1),
 		}
 
 		sig := &dbus.Signal{
@@ -133,10 +123,8 @@ func TestManager_HandlePropertiesChanged(t *testing.T) {
 			state: &SessionState{
 				Active: false,
 			},
-			stateMutex:  sync.RWMutex{},
-			subscribers: make(map[string]chan SessionState),
-			subMutex:    sync.RWMutex{},
-			dirty:       make(chan struct{}, 1),
+			stateMutex: sync.RWMutex{},
+			dirty:      make(chan struct{}, 1),
 		}
 
 		sig := &dbus.Signal{
@@ -161,10 +149,8 @@ func TestManager_HandlePropertiesChanged(t *testing.T) {
 			state: &SessionState{
 				IdleHint: false,
 			},
-			stateMutex:  sync.RWMutex{},
-			subscribers: make(map[string]chan SessionState),
-			subMutex:    sync.RWMutex{},
-			dirty:       make(chan struct{}, 1),
+			stateMutex: sync.RWMutex{},
+			dirty:      make(chan struct{}, 1),
 		}
 
 		sig := &dbus.Signal{
@@ -189,10 +175,8 @@ func TestManager_HandlePropertiesChanged(t *testing.T) {
 			state: &SessionState{
 				IdleSinceHint: 0,
 			},
-			stateMutex:  sync.RWMutex{},
-			subscribers: make(map[string]chan SessionState),
-			subMutex:    sync.RWMutex{},
-			dirty:       make(chan struct{}, 1),
+			stateMutex: sync.RWMutex{},
+			dirty:      make(chan struct{}, 1),
 		}
 
 		sig := &dbus.Signal{
@@ -218,10 +202,8 @@ func TestManager_HandlePropertiesChanged(t *testing.T) {
 				LockedHint: false,
 				Locked:     false,
 			},
-			stateMutex:  sync.RWMutex{},
-			subscribers: make(map[string]chan SessionState),
-			subMutex:    sync.RWMutex{},
-			dirty:       make(chan struct{}, 1),
+			stateMutex: sync.RWMutex{},
+			dirty:      make(chan struct{}, 1),
 		}
 
 		sig := &dbus.Signal{
@@ -247,10 +229,8 @@ func TestManager_HandlePropertiesChanged(t *testing.T) {
 			state: &SessionState{
 				Active: false,
 			},
-			stateMutex:  sync.RWMutex{},
-			subscribers: make(map[string]chan SessionState),
-			subMutex:    sync.RWMutex{},
-			dirty:       make(chan struct{}, 1),
+			stateMutex: sync.RWMutex{},
+			dirty:      make(chan struct{}, 1),
 		}
 
 		sig := &dbus.Signal{
@@ -272,11 +252,9 @@ func TestManager_HandlePropertiesChanged(t *testing.T) {
 
 	t.Run("empty body", func(t *testing.T) {
 		manager := &Manager{
-			state:       &SessionState{},
-			stateMutex:  sync.RWMutex{},
-			subscribers: make(map[string]chan SessionState),
-			subMutex:    sync.RWMutex{},
-			dirty:       make(chan struct{}, 1),
+			state:      &SessionState{},
+			stateMutex: sync.RWMutex{},
+			dirty:      make(chan struct{}, 1),
 		}
 
 		sig := &dbus.Signal{
@@ -295,10 +273,8 @@ func TestManager_HandlePropertiesChanged(t *testing.T) {
 				Active:   false,
 				IdleHint: false,
 			},
-			stateMutex:  sync.RWMutex{},
-			subscribers: make(map[string]chan SessionState),
-			subMutex:    sync.RWMutex{},
-			dirty:       make(chan struct{}, 1),
+			stateMutex: sync.RWMutex{},
+			dirty:      make(chan struct{}, 1),
 		}
 
 		sig := &dbus.Signal{

core/internal/server/loginctl/types.go

@@ -50,8 +50,7 @@ type SessionEvent struct {
 type Manager struct {
 	state                 *SessionState
 	stateMutex            sync.RWMutex
-	subscribers           map[string]chan SessionState
-	subMutex              sync.RWMutex
+	subscribers           sync.Map
 	stopChan              chan struct{}
 	conn                  *dbus.Conn
 	sessionPath           dbus.ObjectPath

core/internal/server/network/handlers_test.go

@@ -240,19 +240,25 @@ func TestHandleSubscribe(t *testing.T) {
 
 func TestManager_Subscribe_Unsubscribe(t *testing.T) {
 	manager := &Manager{
-		state:       &NetworkState{},
-		subscribers: make(map[string]chan NetworkState),
+		state: &NetworkState{},
 	}
 
 	t.Run("subscribe creates channel", func(t *testing.T) {
 		ch := manager.Subscribe("client1")
 		assert.NotNil(t, ch)
-		assert.Len(t, manager.subscribers, 1)
+		count := 0
+		manager.subscribers.Range(func(key, value interface{}) bool {
+			count++
+			return true
+		})
+		assert.Equal(t, 1, count)
 	})
 
 	t.Run("unsubscribe removes channel", func(t *testing.T) {
 		manager.Unsubscribe("client1")
-		assert.Len(t, manager.subscribers, 0)
+		count := 0
+		manager.subscribers.Range(func(key, value interface{}) bool { count++; return true })
+		assert.Equal(t, 0, count)
 	})
 
 	t.Run("unsubscribe non-existent client is safe", func(t *testing.T) {

core/internal/server/network/manager.go

@@ -66,9 +66,8 @@ func NewManager() (*Manager, error) {
 			Preference:    PreferenceAuto,
 			WiFiNetworks:  []WiFiNetwork{},
 		},
-		stateMutex:            sync.RWMutex{},
-		subscribers:           make(map[string]chan NetworkState),
-		subMutex:              sync.RWMutex{},
+		stateMutex: sync.RWMutex{},
+
 		stopChan:              make(chan struct{}),
 		dirty:                 make(chan struct{}, 1),
 		credentialSubscribers: make(map[string]chan CredentialPrompt),
@@ -270,19 +269,14 @@ func (m *Manager) GetState() NetworkState {
 
 func (m *Manager) Subscribe(id string) chan NetworkState {
 	ch := make(chan NetworkState, 64)
-	m.subMutex.Lock()
-	m.subscribers[id] = ch
-	m.subMutex.Unlock()
+	m.subscribers.Store(id, ch)
 	return ch
 }
 
 func (m *Manager) Unsubscribe(id string) {
-	m.subMutex.Lock()
-	if ch, ok := m.subscribers[id]; ok {
-		close(ch)
-		delete(m.subscribers, id)
+	if val, ok := m.subscribers.LoadAndDelete(id); ok {
+		close(val.(chan NetworkState))
 	}
-	m.subMutex.Unlock()
 }
 
 func (m *Manager) SubscribeCredentials(id string) chan CredentialPrompt {
@@ -335,28 +329,22 @@ func (m *Manager) notifier() {
 			if !pending {
 				continue
 			}
-			m.subMutex.RLock()
-			if len(m.subscribers) == 0 {
-				m.subMutex.RUnlock()
-				pending = false
-				continue
-			}
 
 			currentState := m.snapshotState()
 
 			if m.lastNotifiedState != nil && !stateChangedMeaningfully(m.lastNotifiedState, &currentState) {
-				m.subMutex.RUnlock()
 				pending = false
 				continue
 			}
 
-			for _, ch := range m.subscribers {
+			m.subscribers.Range(func(key, value interface{}) bool {
+				ch := value.(chan NetworkState)
 				select {
 				case ch <- currentState:
 				default:
 				}
-			}
-			m.subMutex.RUnlock()
+				return true
+			})
 
 			stateCopy := currentState
 			m.lastNotifiedState = &stateCopy
@@ -396,12 +384,12 @@ func (m *Manager) Close() {
 		m.backend.Close()
 	}
 
-	m.subMutex.Lock()
-	for _, ch := range m.subscribers {
+	m.subscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan NetworkState)
 		close(ch)
-	}
-	m.subscribers = make(map[string]chan NetworkState)
-	m.subMutex.Unlock()
+		m.subscribers.Delete(key)
+		return true
+	})
 }
 
 func (m *Manager) ScanWiFi() error {

core/internal/server/network/manager_test.go

@@ -31,19 +31,15 @@ func TestManager_NotifySubscribers(t *testing.T) {
 		state: &NetworkState{
 			NetworkStatus: StatusWiFi,
 		},
-		stateMutex:  sync.RWMutex{},
-		subscribers: make(map[string]chan NetworkState),
-		subMutex:    sync.RWMutex{},
-		stopChan:    make(chan struct{}),
-		dirty:       make(chan struct{}, 1),
+		stateMutex: sync.RWMutex{},
+		stopChan:   make(chan struct{}),
+		dirty:      make(chan struct{}, 1),
 	}
 	manager.notifierWg.Add(1)
 	go manager.notifier()
 
 	ch := make(chan NetworkState, 10)
-	manager.subMutex.Lock()
-	manager.subscribers["test-client"] = ch
-	manager.subMutex.Unlock()
+	manager.subscribers.Store("test-client", ch)
 
 	manager.notifySubscribers()
 
@@ -63,19 +59,15 @@ func TestManager_NotifySubscribers_Debounce(t *testing.T) {
 		state: &NetworkState{
 			NetworkStatus: StatusWiFi,
 		},
-		stateMutex:  sync.RWMutex{},
-		subscribers: make(map[string]chan NetworkState),
-		subMutex:    sync.RWMutex{},
-		stopChan:    make(chan struct{}),
-		dirty:       make(chan struct{}, 1),
+		stateMutex: sync.RWMutex{},
+		stopChan:   make(chan struct{}),
+		dirty:      make(chan struct{}, 1),
 	}
 	manager.notifierWg.Add(1)
 	go manager.notifier()
 
 	ch := make(chan NetworkState, 10)
-	manager.subMutex.Lock()
-	manager.subscribers["test-client"] = ch
-	manager.subMutex.Unlock()
+	manager.subscribers.Store("test-client", ch)
 
 	manager.notifySubscribers()
 	manager.notifySubscribers()
@@ -98,19 +90,15 @@ func TestManager_NotifySubscribers_Debounce(t *testing.T) {
 
 func TestManager_Close(t *testing.T) {
 	manager := &Manager{
-		state:       &NetworkState{},
-		stateMutex:  sync.RWMutex{},
-		subscribers: make(map[string]chan NetworkState),
-		subMutex:    sync.RWMutex{},
-		stopChan:    make(chan struct{}),
+		state:      &NetworkState{},
+		stateMutex: sync.RWMutex{},
+		stopChan:   make(chan struct{}),
 	}
 
 	ch1 := make(chan NetworkState, 1)
 	ch2 := make(chan NetworkState, 1)
-	manager.subMutex.Lock()
-	manager.subscribers["client1"] = ch1
-	manager.subscribers["client2"] = ch2
-	manager.subMutex.Unlock()
+	manager.subscribers.Store("client1", ch1)
+	manager.subscribers.Store("client2", ch2)
 
 	manager.Close()
 
@@ -125,31 +113,27 @@ func TestManager_Close(t *testing.T) {
 	assert.False(t, ok1, "ch1 should be closed")
 	assert.False(t, ok2, "ch2 should be closed")
 
-	assert.Len(t, manager.subscribers, 0)
+	count := 0
+	manager.subscribers.Range(func(key, value interface{}) bool { count++; return true })
+	assert.Equal(t, 0, count)
 }
 
 func TestManager_Subscribe(t *testing.T) {
 	manager := &Manager{
-		state:       &NetworkState{},
-		subscribers: make(map[string]chan NetworkState),
-		subMutex:    sync.RWMutex{},
+		state: &NetworkState{},
 	}
 
 	ch := manager.Subscribe("test-client")
 	assert.NotNil(t, ch)
 	assert.Equal(t, 64, cap(ch))
 
-	manager.subMutex.RLock()
-	_, exists := manager.subscribers["test-client"]
-	manager.subMutex.RUnlock()
+	_, exists := manager.subscribers.Load("test-client")
 	assert.True(t, exists)
 }
 
 func TestManager_Unsubscribe(t *testing.T) {
 	manager := &Manager{
-		state:       &NetworkState{},
-		subscribers: make(map[string]chan NetworkState),
-		subMutex:    sync.RWMutex{},
+		state: &NetworkState{},
 	}
 
 	ch := manager.Subscribe("test-client")
@@ -159,9 +143,7 @@ func TestManager_Unsubscribe(t *testing.T) {
 	_, ok := <-ch
 	assert.False(t, ok)
 
-	manager.subMutex.RLock()
-	_, exists := manager.subscribers["test-client"]
-	manager.subMutex.RUnlock()
+	_, exists := manager.subscribers.Load("test-client")
 	assert.False(t, exists)
 }
 

core/internal/server/network/testing.go

@@ -6,10 +6,9 @@ func NewTestManager(backend Backend, state *NetworkState) *Manager {
 		state = &NetworkState{}
 	}
 	return &Manager{
-		backend:     backend,
-		state:       state,
-		subscribers: make(map[string]chan NetworkState),
-		stopChan:    make(chan struct{}),
-		dirty:       make(chan struct{}, 1),
+		backend:  backend,
+		state:    state,
+		stopChan: make(chan struct{}),
+		dirty:    make(chan struct{}, 1),
 	}
 }

core/internal/server/network/types.go

@@ -108,8 +108,7 @@ type Manager struct {
 	backend               Backend
 	state                 *NetworkState
 	stateMutex            sync.RWMutex
-	subscribers           map[string]chan NetworkState
-	subMutex              sync.RWMutex
+	subscribers           sync.Map
 	stopChan              chan struct{}
 	dirty                 chan struct{}
 	notifierWg            sync.WaitGroup

core/internal/server/server.go

@@ -10,6 +10,7 @@ import (
 	"strconv"
 	"strings"
 	"sync"
+	"sync/atomic"
 	"syscall"
 	"time"
 
@@ -58,11 +59,9 @@ var wlrOutputManager *wlroutput.Manager
 var evdevManager *evdev.Manager
 var wlContext *wlcontext.SharedContext
 
-var capabilitySubscribers = make(map[string]chan ServerInfo)
-var capabilityMutex sync.RWMutex
-
-var cupsSubscribers = make(map[string]bool)
-var cupsSubscribersMutex sync.Mutex
+var capabilitySubscribers sync.Map
+var cupsSubscribers sync.Map
+var cupsSubscriberCount atomic.Int32
 
 func getSocketDir() string {
 	if runtime := os.Getenv("XDG_RUNTIME_DIR"); runtime != "" {
@@ -434,16 +433,15 @@ func getServerInfo() ServerInfo {
 }
 
 func notifyCapabilityChange() {
-	capabilityMutex.RLock()
-	defer capabilityMutex.RUnlock()
-
 	info := getServerInfo()
-	for _, ch := range capabilitySubscribers {
+	capabilitySubscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan ServerInfo)
 		select {
 		case ch <- info:
 		default:
 		}
-	}
+		return true
+	})
 }
 
 func handleSubscribe(conn net.Conn, req models.Request) {
@@ -475,18 +473,12 @@ func handleSubscribe(conn net.Conn, req models.Request) {
 	stopChan := make(chan struct{})
 
 	capChan := make(chan ServerInfo, 64)
-	capabilityMutex.Lock()
-	capabilitySubscribers[clientID+"-capabilities"] = capChan
-	capabilityMutex.Unlock()
+	capabilitySubscribers.Store(clientID+"-capabilities", capChan)
 
 	wg.Add(1)
 	go func() {
 		defer wg.Done()
-		defer func() {
-			capabilityMutex.Lock()
-			delete(capabilitySubscribers, clientID+"-capabilities")
-			capabilityMutex.Unlock()
-		}()
+		defer capabilitySubscribers.Delete(clientID + "-capabilities")
 
 		for {
 			select {
@@ -728,12 +720,10 @@ func handleSubscribe(conn net.Conn, req models.Request) {
 	}
 
 	if shouldSubscribe("cups") {
-		cupsSubscribersMutex.Lock()
-		wasEmpty := len(cupsSubscribers) == 0
-		cupsSubscribers[clientID+"-cups"] = true
-		cupsSubscribersMutex.Unlock()
+		cupsSubscribers.Store(clientID+"-cups", true)
+		count := cupsSubscriberCount.Add(1)
 
-		if wasEmpty {
+		if count == 1 {
 			if err := InitializeCupsManager(); err != nil {
 				log.Warnf("Failed to initialize CUPS manager for subscription: %v", err)
 			} else {
@@ -748,13 +738,10 @@ func handleSubscribe(conn net.Conn, req models.Request) {
 				defer wg.Done()
 				defer func() {
 					cupsManager.Unsubscribe(clientID + "-cups")
+					cupsSubscribers.Delete(clientID + "-cups")
+					count := cupsSubscriberCount.Add(-1)
 
-					cupsSubscribersMutex.Lock()
-					delete(cupsSubscribers, clientID+"-cups")
-					isEmpty := len(cupsSubscribers) == 0
-					cupsSubscribersMutex.Unlock()
-
-					if isEmpty {
+					if count == 0 {
 						log.Info("Last CUPS subscriber disconnected, shutting down CUPS manager")
 						if cupsManager != nil {
 							cupsManager.Close()
@@ -822,36 +809,46 @@ func handleSubscribe(conn net.Conn, req models.Request) {
 		}()
 	}
 
-	if shouldSubscribe("extworkspace") && extWorkspaceManager != nil {
-		wg.Add(1)
-		extWorkspaceChan := extWorkspaceManager.Subscribe(clientID + "-extworkspace")
-		go func() {
-			defer wg.Done()
-			defer extWorkspaceManager.Unsubscribe(clientID + "-extworkspace")
-
-			initialState := extWorkspaceManager.GetState()
-			select {
-			case eventChan <- ServiceEvent{Service: "extworkspace", Data: initialState}:
-			case <-stopChan:
-				return
+	if shouldSubscribe("extworkspace") {
+		if extWorkspaceManager == nil {
+			if err := InitializeExtWorkspaceManager(); err != nil {
+				log.Warnf("Failed to initialize ExtWorkspace manager for subscription: %v", err)
+			} else {
+				notifyCapabilityChange()
 			}
+		}
 
-			for {
+		if extWorkspaceManager != nil {
+			wg.Add(1)
+			extWorkspaceChan := extWorkspaceManager.Subscribe(clientID + "-extworkspace")
+			go func() {
+				defer wg.Done()
+				defer extWorkspaceManager.Unsubscribe(clientID + "-extworkspace")
+
+				initialState := extWorkspaceManager.GetState()
 				select {
-				case state, ok := <-extWorkspaceChan:
-					if !ok {
-						return
-					}
-					select {
-					case eventChan <- ServiceEvent{Service: "extworkspace", Data: state}:
-					case <-stopChan:
-						return
-					}
+				case eventChan <- ServiceEvent{Service: "extworkspace", Data: initialState}:
 				case <-stopChan:
 					return
 				}
-			}
-		}()
+
+				for {
+					select {
+					case state, ok := <-extWorkspaceChan:
+						if !ok {
+							return
+						}
+						select {
+						case eventChan <- ServiceEvent{Service: "extworkspace", Data: state}:
+						case <-stopChan:
+							return
+						}
+					case <-stopChan:
+						return
+					}
+				}
+			}()
+		}
 	}
 
 	if shouldSubscribe("brightness") && brightnessManager != nil {
@@ -1244,10 +1241,6 @@ func Start(printDocs bool) error {
 		log.Debugf("DWL manager unavailable: %v", err)
 	}
 
-	if err := InitializeExtWorkspaceManager(); err != nil {
-		log.Debugf("ExtWorkspace manager unavailable: %v", err)
-	}
-
 	if err := InitializeWlrOutputManager(); err != nil {
 		log.Debugf("WlrOutput manager unavailable: %v", err)
 	}

core/internal/server/wayland/manager.go

@@ -8,8 +8,8 @@ import (
 	"syscall"
 	"time"
 
+	wlclient "github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/wayland/client"
 	"github.com/godbus/dbus/v5"
-	wlclient "github.com/yaslama/go-wayland/wayland/client"
 	"golang.org/x/sys/unix"
 
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/errdefs"
@@ -23,14 +23,14 @@ func NewManager(display *wlclient.Display, config Config) (*Manager, error) {
 	}
 
 	m := &Manager{
-		config:         config,
-		display:        display,
-		ctx:            display.Context(),
-		outputs:        make(map[uint32]*outputState),
-		cmdq:           make(chan cmd, 128),
-		stopChan:       make(chan struct{}),
-		updateTrigger:  make(chan struct{}, 1),
-		subscribers:    make(map[string]chan State),
+		config:        config,
+		display:       display,
+		ctx:           display.Context(),
+		outputs:       make(map[uint32]*outputState),
+		cmdq:          make(chan cmd, 128),
+		stopChan:      make(chan struct{}),
+		updateTrigger: make(chan struct{}, 1),
+
 		dirty:          make(chan struct{}, 1),
 		dbusSignal:     make(chan *dbus.Signal, 16),
 		transitionChan: make(chan int, 1),
@@ -935,28 +935,22 @@ func (m *Manager) notifier() {
 			if !pending {
 				continue
 			}
-			m.subMutex.RLock()
-			if len(m.subscribers) == 0 {
-				m.subMutex.RUnlock()
-				pending = false
-				continue
-			}
 
 			currentState := m.GetState()
 
 			if m.lastNotified != nil && !stateChanged(m.lastNotified, &currentState) {
-				m.subMutex.RUnlock()
 				pending = false
 				continue
 			}
 
-			for _, ch := range m.subscribers {
+			m.subscribers.Range(func(key, value interface{}) bool {
+				ch := value.(chan State)
 				select {
 				case ch <- currentState:
 				default:
 				}
-			}
-			m.subMutex.RUnlock()
+				return true
+			})
 
 			stateCopy := currentState
 			m.lastNotified = &stateCopy
@@ -1332,12 +1326,12 @@ func (m *Manager) Close() {
 	m.wg.Wait()
 	m.notifierWg.Wait()
 
-	m.subMutex.Lock()
-	for _, ch := range m.subscribers {
+	m.subscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan State)
 		close(ch)
-	}
-	m.subscribers = make(map[string]chan State)
-	m.subMutex.Unlock()
+		m.subscribers.Delete(key)
+		return true
+	})
 
 	m.outputsMutex.Lock()
 	for _, out := range m.outputs {

core/internal/server/wayland/types.go

@@ -6,8 +6,8 @@ import (
 	"time"
 
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/errdefs"
+	wlclient "github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/wayland/client"
 	"github.com/godbus/dbus/v5"
-	wlclient "github.com/yaslama/go-wayland/wayland/client"
 )
 
 type Config struct {
@@ -69,8 +69,7 @@ type Manager struct {
 	cachedIPLon   *float64
 	locationMutex sync.RWMutex
 
-	subscribers  map[string]chan State
-	subMutex     sync.RWMutex
+	subscribers  sync.Map
 	dirty        chan struct{}
 	notifierWg   sync.WaitGroup
 	lastNotified *State
@@ -147,19 +146,14 @@ func (m *Manager) GetState() State {
 
 func (m *Manager) Subscribe(id string) chan State {
 	ch := make(chan State, 64)
-	m.subMutex.Lock()
-	m.subscribers[id] = ch
-	m.subMutex.Unlock()
+	m.subscribers.Store(id, ch)
 	return ch
 }
 
 func (m *Manager) Unsubscribe(id string) {
-	m.subMutex.Lock()
-	if ch, ok := m.subscribers[id]; ok {
-		close(ch)
-		delete(m.subscribers, id)
+	if val, ok := m.subscribers.LoadAndDelete(id); ok {
+		close(val.(chan State))
 	}
-	m.subMutex.Unlock()
 }
 
 func (m *Manager) notifySubscribers() {

core/internal/server/wlcontext/context.go

@@ -6,7 +6,7 @@ import (
 
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/errdefs"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/log"
-	wlclient "github.com/yaslama/go-wayland/wayland/client"
+	wlclient "github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/wayland/client"
 )
 
 type SharedContext struct {

core/internal/server/wlroutput/handlers.go

@@ -154,14 +154,14 @@ func (m *Manager) ApplyConfiguration(heads []HeadConfig, test bool) error {
 			statusChan <- fmt.Errorf("configuration cancelled (outdated serial)")
 		})
 
-		m.headsMutex.RLock()
 		headsByName := make(map[string]*headState)
-		for _, head := range m.heads {
+		m.heads.Range(func(key, value interface{}) bool {
+			head := value.(*headState)
 			if !head.finished {
 				headsByName[head.name] = head
 			}
-		}
-		m.headsMutex.RUnlock()
+			return true
+		})
 
 		for _, headCfg := range heads {
 			head, exists := headsByName[headCfg.Name]
@@ -188,15 +188,14 @@ func (m *Manager) ApplyConfiguration(heads []HeadConfig, test bool) error {
 			}
 
 			if headCfg.ModeID != nil {
-				m.modesMutex.RLock()
-				mode, exists := m.modes[*headCfg.ModeID]
-				m.modesMutex.RUnlock()
+				val, exists := m.modes.Load(*headCfg.ModeID)
 
 				if !exists {
 					config.Destroy()
 					resultChan <- fmt.Errorf("mode not found: %d", *headCfg.ModeID)
 					return
 				}
+				mode := val.(*modeState)
 
 				if err := headConfig.SetMode(mode.handle); err != nil {
 					config.Destroy()

core/internal/server/wlroutput/manager.go

@@ -6,20 +6,17 @@ import (
 
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/log"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/proto/wlr_output_management"
-	wlclient "github.com/yaslama/go-wayland/wayland/client"
+	wlclient "github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/wayland/client"
 )
 
 func NewManager(display *wlclient.Display) (*Manager, error) {
 	m := &Manager{
-		display:     display,
-		ctx:         display.Context(),
-		heads:       make(map[uint32]*headState),
-		modes:       make(map[uint32]*modeState),
-		cmdq:        make(chan cmd, 128),
-		stopChan:    make(chan struct{}),
-		subscribers: make(map[string]chan State),
-		dirty:       make(chan struct{}, 1),
-		fatalError:  make(chan error, 1),
+		display:    display,
+		ctx:        display.Context(),
+		cmdq:       make(chan cmd, 128),
+		stopChan:   make(chan struct{}),
+		dirty:      make(chan struct{}, 1),
+		fatalError: make(chan error, 1),
 	}
 
 	m.wg.Add(1)
@@ -143,9 +140,7 @@ func (m *Manager) handleHead(e wlr_output_management.ZwlrOutputManagerV1HeadEven
 		modeIDs: make([]uint32, 0),
 	}
 
-	m.headsMutex.Lock()
-	m.heads[headID] = head
-	m.headsMutex.Unlock()
+	m.heads.Store(headID, head)
 
 	handle.SetNameHandler(func(e wlr_output_management.ZwlrOutputHeadV1NameEvent) {
 		log.Debugf("WlrOutput: Head %d name: %s", headID, e.Name)
@@ -254,9 +249,7 @@ func (m *Manager) handleHead(e wlr_output_management.ZwlrOutputManagerV1HeadEven
 		log.Debugf("WlrOutput: Head %d finished", headID)
 		head.finished = true
 
-		m.headsMutex.Lock()
-		delete(m.heads, headID)
-		m.headsMutex.Unlock()
+		m.heads.Delete(headID)
 
 		m.post(func() {
 			m.wlMutex.Lock()
@@ -279,15 +272,13 @@ func (m *Manager) handleMode(headID uint32, e wlr_output_management.ZwlrOutputHe
 		handle: handle,
 	}
 
-	m.modesMutex.Lock()
-	m.modes[modeID] = mode
-	m.modesMutex.Unlock()
+	m.modes.Store(modeID, mode)
 
-	m.headsMutex.Lock()
-	if head, ok := m.heads[headID]; ok {
+	if val, ok := m.heads.Load(headID); ok {
+		head := val.(*headState)
 		head.modeIDs = append(head.modeIDs, modeID)
+		m.heads.Store(headID, head)
 	}
-	m.headsMutex.Unlock()
 
 	handle.SetSizeHandler(func(e wlr_output_management.ZwlrOutputModeV1SizeEvent) {
 		log.Debugf("WlrOutput: Mode %d size: %dx%d", modeID, e.Width, e.Height)
@@ -318,9 +309,7 @@ func (m *Manager) handleMode(headID uint32, e wlr_output_management.ZwlrOutputHe
 		log.Debugf("WlrOutput: Mode %d finished", modeID)
 		mode.finished = true
 
-		m.modesMutex.Lock()
-		delete(m.modes, modeID)
-		m.modesMutex.Unlock()
+		m.modes.Delete(modeID)
 
 		m.post(func() {
 			m.wlMutex.Lock()
@@ -333,22 +322,24 @@ func (m *Manager) handleMode(headID uint32, e wlr_output_management.ZwlrOutputHe
 }
 
 func (m *Manager) updateState() {
-	m.headsMutex.RLock()
-	m.modesMutex.RLock()
-
 	outputs := make([]Output, 0)
 
-	for _, head := range m.heads {
+	m.heads.Range(func(key, value interface{}) bool {
+		head := value.(*headState)
 		if head.finished {
-			continue
+			return true
 		}
 
 		modes := make([]OutputMode, 0)
 		var currentMode *OutputMode
 
 		for _, modeID := range head.modeIDs {
-			mode, exists := m.modes[modeID]
-			if !exists || mode.finished {
+			val, exists := m.modes.Load(modeID)
+			if !exists {
+				continue
+			}
+			mode := val.(*modeState)
+			if mode.finished {
 				continue
 			}
 
@@ -385,10 +376,8 @@ func (m *Manager) updateState() {
 			ID:             head.id,
 		}
 		outputs = append(outputs, output)
-	}
-
-	m.modesMutex.RUnlock()
-	m.headsMutex.RUnlock()
+		return true
+	})
 
 	newState := State{
 		Outputs: outputs,
@@ -442,14 +431,6 @@ func (m *Manager) notifier() {
 			if !pending {
 				continue
 			}
-			m.subMutex.RLock()
-			subCount := len(m.subscribers)
-			m.subMutex.RUnlock()
-
-			if subCount == 0 {
-				pending = false
-				continue
-			}
 
 			currentState := m.GetState()
 
@@ -458,15 +439,15 @@ func (m *Manager) notifier() {
 				continue
 			}
 
-			m.subMutex.RLock()
-			for _, ch := range m.subscribers {
+			m.subscribers.Range(func(key, value interface{}) bool {
+				ch := value.(chan State)
 				select {
 				case ch <- currentState:
 				default:
 					log.Warn("WlrOutput: subscriber channel full, dropping update")
 				}
-			}
-			m.subMutex.RUnlock()
+				return true
+			})
 
 			stateCopy := currentState
 			m.lastNotified = &stateCopy
@@ -480,30 +461,30 @@ func (m *Manager) Close() {
 	m.wg.Wait()
 	m.notifierWg.Wait()
 
-	m.subMutex.Lock()
-	for _, ch := range m.subscribers {
+	m.subscribers.Range(func(key, value interface{}) bool {
+		ch := value.(chan State)
 		close(ch)
-	}
-	m.subscribers = make(map[string]chan State)
-	m.subMutex.Unlock()
+		m.subscribers.Delete(key)
+		return true
+	})
 
-	m.modesMutex.Lock()
-	for _, mode := range m.modes {
+	m.modes.Range(func(key, value interface{}) bool {
+		mode := value.(*modeState)
 		if mode.handle != nil {
 			mode.handle.Release()
 		}
-	}
-	m.modes = make(map[uint32]*modeState)
-	m.modesMutex.Unlock()
+		m.modes.Delete(key)
+		return true
+	})
 
-	m.headsMutex.Lock()
-	for _, head := range m.heads {
+	m.heads.Range(func(key, value interface{}) bool {
+		head := value.(*headState)
 		if head.handle != nil {
 			head.handle.Release()
 		}
-	}
-	m.heads = make(map[uint32]*headState)
-	m.headsMutex.Unlock()
+		m.heads.Delete(key)
+		return true
+	})
 
 	if m.manager != nil {
 		m.manager.Stop()

core/internal/server/wlroutput/types.go

@@ -4,7 +4,7 @@ import (
 	"sync"
 
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/proto/wlr_output_management"
-	wlclient "github.com/yaslama/go-wayland/wayland/client"
+	wlclient "github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/wayland/client"
 )
 
 type OutputMode struct {
@@ -49,11 +49,8 @@ type Manager struct {
 	registry *wlclient.Registry
 	manager  *wlr_output_management.ZwlrOutputManagerV1
 
-	headsMutex sync.RWMutex
-	heads      map[uint32]*headState
-
-	modesMutex sync.RWMutex
-	modes      map[uint32]*modeState
+	heads sync.Map // map[uint32]*headState
+	modes sync.Map // map[uint32]*modeState
 
 	serial uint32
 
@@ -62,8 +59,7 @@ type Manager struct {
 	stopChan chan struct{}
 	wg       sync.WaitGroup
 
-	subscribers  map[string]chan State
-	subMutex     sync.RWMutex
+	subscribers  sync.Map
 	dirty        chan struct{}
 	notifierWg   sync.WaitGroup
 	lastNotified *State
@@ -120,19 +116,19 @@ func (m *Manager) GetState() State {
 
 func (m *Manager) Subscribe(id string) chan State {
 	ch := make(chan State, 64)
-	m.subMutex.Lock()
-	m.subscribers[id] = ch
-	m.subMutex.Unlock()
+
+	m.subscribers.Store(id, ch)
+
 	return ch
 }
 
 func (m *Manager) Unsubscribe(id string) {
-	m.subMutex.Lock()
-	if ch, ok := m.subscribers[id]; ok {
-		close(ch)
-		delete(m.subscribers, id)
+
+	if val, ok := m.subscribers.LoadAndDelete(id); ok {
+		close(val.(chan State))
+
 	}
-	m.subMutex.Unlock()
+
 }
 
 func (m *Manager) notifySubscribers() {