service: Replace service event creation with ServiceContext::CreateEvent

The service context helps to manage all created events and allows us to close them upon destruction.

4 files changed, 104 insertions, 94 deletions

diff --git a/src/core/hle/service/am/am.cpp b/src/core/hle/service/am/am.cpp
index 8c2e2f920..02de585e4 100644
--- a/src/core/hle/service/am/am.cpp
+++ b/src/core/hle/service/am/am.cpp
@@ -16,9 +16,7 @@
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/k_event.h"
 #include "core/hle/kernel/k_process.h"
-#include "core/hle/kernel/k_readable_event.h"
 #include "core/hle/kernel/k_transfer_memory.h"
-#include "core/hle/kernel/k_writable_event.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/service/acc/profile_manager.h"
 #include "core/hle/service/am/am.h"
@@ -254,8 +252,9 @@ IDebugFunctions::IDebugFunctions(Core::System& system_)
 IDebugFunctions::~IDebugFunctions() = default;
 
 ISelfController::ISelfController(Core::System& system_, NVFlinger::NVFlinger& nvflinger_)
-    : ServiceFramework{system_, "ISelfController"}, nvflinger{nvflinger_},
-      launchable_event{system.Kernel()}, accumulated_suspended_tick_changed_event{system.Kernel()} {
+    : ServiceFramework{system_, "ISelfController"}, nvflinger{nvflinger_}, service_context{
+                                                                               system,
+                                                                               "ISelfController"} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {0, &ISelfController::Exit, "Exit"},
@@ -311,9 +310,7 @@ ISelfController::ISelfController(Core::System& system_, NVFlinger::NVFlinger& nv
 
     RegisterHandlers(functions);
 
-    Kernel::KAutoObject::Create(std::addressof(launchable_event));
-
-    launchable_event.Initialize("ISelfController:LaunchableEvent");
+    launchable_event = service_context.CreateEvent("ISelfController:LaunchableEvent");
 
     // This event is created by AM on the first time GetAccumulatedSuspendedTickChangedEvent() is
     // called. Yuzu can just create it unconditionally, since it doesn't need to support multiple
@@ -321,13 +318,15 @@ ISelfController::ISelfController(Core::System& system_, NVFlinger::NVFlinger& nv
     // suspended if the event has previously been created by a call to
     // GetAccumulatedSuspendedTickChangedEvent.
 
-    Kernel::KAutoObject::Create(std::addressof(accumulated_suspended_tick_changed_event));
-    accumulated_suspended_tick_changed_event.Initialize(
-        "ISelfController:AccumulatedSuspendedTickChangedEvent");
-    accumulated_suspended_tick_changed_event.GetWritableEvent().Signal();
+    accumulated_suspended_tick_changed_event =
+        service_context.CreateEvent("ISelfController:AccumulatedSuspendedTickChangedEvent");
+    accumulated_suspended_tick_changed_event->GetWritableEvent().Signal();
 }
 
-ISelfController::~ISelfController() = default;
+ISelfController::~ISelfController() {
+    service_context.CloseEvent(launchable_event);
+    service_context.CloseEvent(accumulated_suspended_tick_changed_event);
+}
 
 void ISelfController::Exit(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_AM, "called");
@@ -383,11 +382,11 @@ void ISelfController::LeaveFatalSection(Kernel::HLERequestContext& ctx) {
 void ISelfController::GetLibraryAppletLaunchableEvent(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
-    launchable_event.GetWritableEvent().Signal();
+    launchable_event->GetWritableEvent().Signal();
 
     IPC::ResponseBuilder rb{ctx, 2, 1};
     rb.Push(ResultSuccess);
-    rb.PushCopyObjects(launchable_event.GetReadableEvent());
+    rb.PushCopyObjects(launchable_event->GetReadableEvent());
 }
 
 void ISelfController::SetScreenShotPermission(Kernel::HLERequestContext& ctx) {
@@ -566,7 +565,7 @@ void ISelfController::GetAccumulatedSuspendedTickChangedEvent(Kernel::HLERequest
 
     IPC::ResponseBuilder rb{ctx, 2, 1};
     rb.Push(ResultSuccess);
-    rb.PushCopyObjects(accumulated_suspended_tick_changed_event.GetReadableEvent());
+    rb.PushCopyObjects(accumulated_suspended_tick_changed_event->GetReadableEvent());
 }
 
 void ISelfController::SetAlbumImageTakenNotificationEnabled(Kernel::HLERequestContext& ctx) {
@@ -584,40 +583,39 @@ void ISelfController::SetAlbumImageTakenNotificationEnabled(Kernel::HLERequestCo
     rb.Push(ResultSuccess);
 }
 
-AppletMessageQueue::AppletMessageQueue(Kernel::KernelCore& kernel)
-    : on_new_message{kernel}, on_operation_mode_changed{kernel} {
-
-    Kernel::KAutoObject::Create(std::addressof(on_new_message));
-    Kernel::KAutoObject::Create(std::addressof(on_operation_mode_changed));
-
-    on_new_message.Initialize("AMMessageQueue:OnMessageReceived");
-    on_operation_mode_changed.Initialize("AMMessageQueue:OperationModeChanged");
+AppletMessageQueue::AppletMessageQueue(Core::System& system)
+    : service_context{system, "AppletMessageQueue"} {
+    on_new_message = service_context.CreateEvent("AMMessageQueue:OnMessageReceived");
+    on_operation_mode_changed = service_context.CreateEvent("AMMessageQueue:OperationModeChanged");
 }
 
-AppletMessageQueue::~AppletMessageQueue() = default;
+AppletMessageQueue::~AppletMessageQueue() {
+    service_context.CloseEvent(on_new_message);
+    service_context.CloseEvent(on_operation_mode_changed);
+}
 
 Kernel::KReadableEvent& AppletMessageQueue::GetMessageReceiveEvent() {
-    return on_new_message.GetReadableEvent();
+    return on_new_message->GetReadableEvent();
 }
 
 Kernel::KReadableEvent& AppletMessageQueue::GetOperationModeChangedEvent() {
-    return on_operation_mode_changed.GetReadableEvent();
+    return on_operation_mode_changed->GetReadableEvent();
 }
 
 void AppletMessageQueue::PushMessage(AppletMessage msg) {
     messages.push(msg);
-    on_new_message.GetWritableEvent().Signal();
+    on_new_message->GetWritableEvent().Signal();
 }
 
 AppletMessageQueue::AppletMessage AppletMessageQueue::PopMessage() {
     if (messages.empty()) {
-        on_new_message.GetWritableEvent().Clear();
+        on_new_message->GetWritableEvent().Clear();
         return AppletMessage::NoMessage;
     }
     auto msg = messages.front();
     messages.pop();
     if (messages.empty()) {
-        on_new_message.GetWritableEvent().Clear();
+        on_new_message->GetWritableEvent().Clear();
     }
     return msg;
 }
@@ -637,7 +635,7 @@ void AppletMessageQueue::FocusStateChanged() {
 void AppletMessageQueue::OperationModeChanged() {
     PushMessage(AppletMessage::OperationModeChanged);
     PushMessage(AppletMessage::PerformanceModeChanged);
-    on_operation_mode_changed.GetWritableEvent().Signal();
+    on_operation_mode_changed->GetWritableEvent().Signal();
 }
 
 ICommonStateGetter::ICommonStateGetter(Core::System& system_,
@@ -1272,10 +1270,8 @@ void ILibraryAppletCreator::CreateHandleStorage(Kernel::HLERequestContext& ctx)
 }
 
 IApplicationFunctions::IApplicationFunctions(Core::System& system_)
-    : ServiceFramework{system_, "IApplicationFunctions"}, gpu_error_detected_event{system.Kernel()},
-      friend_invitation_storage_channel_event{system.Kernel()},
-      notification_storage_channel_event{system.Kernel()}, health_warning_disappeared_system_event{
-                                                               system.Kernel()} {
+    : ServiceFramework{system_, "IApplicationFunctions"}, service_context{system,
+                                                                          "IApplicationFunctions"} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {1, &IApplicationFunctions::PopLaunchParameter, "PopLaunchParameter"},
@@ -1343,21 +1339,22 @@ IApplicationFunctions::IApplicationFunctions(Core::System& system_)
 
     RegisterHandlers(functions);
 
-    Kernel::KAutoObject::Create(std::addressof(gpu_error_detected_event));
-    Kernel::KAutoObject::Create(std::addressof(friend_invitation_storage_channel_event));
-    Kernel::KAutoObject::Create(std::addressof(notification_storage_channel_event));
-    Kernel::KAutoObject::Create(std::addressof(health_warning_disappeared_system_event));
-
-    gpu_error_detected_event.Initialize("IApplicationFunctions:GpuErrorDetectedSystemEvent");
-    friend_invitation_storage_channel_event.Initialize(
-        "IApplicationFunctions:FriendInvitationStorageChannelEvent");
-    notification_storage_channel_event.Initialize(
-        "IApplicationFunctions:NotificationStorageChannelEvent");
-    health_warning_disappeared_system_event.Initialize(
-        "IApplicationFunctions:HealthWarningDisappearedSystemEvent");
+    gpu_error_detected_event =
+        service_context.CreateEvent("IApplicationFunctions:GpuErrorDetectedSystemEvent");
+    friend_invitation_storage_channel_event =
+        service_context.CreateEvent("IApplicationFunctions:FriendInvitationStorageChannelEvent");
+    notification_storage_channel_event =
+        service_context.CreateEvent("IApplicationFunctions:NotificationStorageChannelEvent");
+    health_warning_disappeared_system_event =
+        service_context.CreateEvent("IApplicationFunctions:HealthWarningDisappearedSystemEvent");
 }
 
-IApplicationFunctions::~IApplicationFunctions() = default;
+IApplicationFunctions::~IApplicationFunctions() {
+    service_context.CloseEvent(gpu_error_detected_event);
+    service_context.CloseEvent(friend_invitation_storage_channel_event);
+    service_context.CloseEvent(notification_storage_channel_event);
+    service_context.CloseEvent(health_warning_disappeared_system_event);
+}
 
 void IApplicationFunctions::EnableApplicationCrashReport(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
@@ -1751,7 +1748,7 @@ void IApplicationFunctions::GetGpuErrorDetectedSystemEvent(Kernel::HLERequestCon
 
     IPC::ResponseBuilder rb{ctx, 2, 1};
     rb.Push(ResultSuccess);
-    rb.PushCopyObjects(gpu_error_detected_event.GetReadableEvent());
+    rb.PushCopyObjects(gpu_error_detected_event->GetReadableEvent());
 }
 
 void IApplicationFunctions::GetFriendInvitationStorageChannelEvent(Kernel::HLERequestContext& ctx) {
@@ -1759,7 +1756,7 @@ void IApplicationFunctions::GetFriendInvitationStorageChannelEvent(Kernel::HLERe
 
     IPC::ResponseBuilder rb{ctx, 2, 1};
     rb.Push(ResultSuccess);
-    rb.PushCopyObjects(friend_invitation_storage_channel_event.GetReadableEvent());
+    rb.PushCopyObjects(friend_invitation_storage_channel_event->GetReadableEvent());
 }
 
 void IApplicationFunctions::TryPopFromFriendInvitationStorageChannel(
@@ -1775,7 +1772,7 @@ void IApplicationFunctions::GetNotificationStorageChannelEvent(Kernel::HLEReques
 
     IPC::ResponseBuilder rb{ctx, 2, 1};
     rb.Push(ResultSuccess);
-    rb.PushCopyObjects(notification_storage_channel_event.GetReadableEvent());
+    rb.PushCopyObjects(notification_storage_channel_event->GetReadableEvent());
 }
 
 void IApplicationFunctions::GetHealthWarningDisappearedSystemEvent(Kernel::HLERequestContext& ctx) {
@@ -1783,12 +1780,12 @@ void IApplicationFunctions::GetHealthWarningDisappearedSystemEvent(Kernel::HLERe
 
     IPC::ResponseBuilder rb{ctx, 2, 1};
     rb.Push(ResultSuccess);
-    rb.PushCopyObjects(health_warning_disappeared_system_event.GetReadableEvent());
+    rb.PushCopyObjects(health_warning_disappeared_system_event->GetReadableEvent());
 }
 
 void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger& nvflinger,
                        Core::System& system) {
-    auto message_queue = std::make_shared<AppletMessageQueue>(system.Kernel());
+    auto message_queue = std::make_shared<AppletMessageQueue>(system);
     // Needed on game boot
     message_queue->PushMessage(AppletMessageQueue::AppletMessage::FocusStateChanged);
 
@@ -1801,8 +1798,8 @@ void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger
 }
 
 IHomeMenuFunctions::IHomeMenuFunctions(Core::System& system_)
-    : ServiceFramework{system_, "IHomeMenuFunctions"}, pop_from_general_channel_event{
-                                                           system.Kernel()} {
+    : ServiceFramework{system_, "IHomeMenuFunctions"}, service_context{system,
+                                                                       "IHomeMenuFunctions"} {
     // clang-format off
     static const FunctionInfo functions[] = {
         {10, &IHomeMenuFunctions::RequestToGetForeground, "RequestToGetForeground"},
@@ -1823,11 +1820,13 @@ IHomeMenuFunctions::IHomeMenuFunctions(Core::System& system_)
 
     RegisterHandlers(functions);
 
-    Kernel::KAutoObject::Create(std::addressof(pop_from_general_channel_event));
-    pop_from_general_channel_event.Initialize("IHomeMenuFunctions:PopFromGeneralChannelEvent");
+    pop_from_general_channel_event =
+        service_context.CreateEvent("IHomeMenuFunctions:PopFromGeneralChannelEvent");
 }
 
-IHomeMenuFunctions::~IHomeMenuFunctions() = default;
+IHomeMenuFunctions::~IHomeMenuFunctions() {
+    service_context.CloseEvent(pop_from_general_channel_event);
+}
 
 void IHomeMenuFunctions::RequestToGetForeground(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
@@ -1841,7 +1840,7 @@ void IHomeMenuFunctions::GetPopFromGeneralChannelEvent(Kernel::HLERequestContext
 
     IPC::ResponseBuilder rb{ctx, 2, 1};
     rb.Push(ResultSuccess);
-    rb.PushCopyObjects(pop_from_general_channel_event.GetReadableEvent());
+    rb.PushCopyObjects(pop_from_general_channel_event->GetReadableEvent());
 }
 
 IGlobalStateController::IGlobalStateController(Core::System& system_)
diff --git a/src/core/hle/service/am/am.h b/src/core/hle/service/am/am.h
index c13aa5787..202d20757 100644
--- a/src/core/hle/service/am/am.h
+++ b/src/core/hle/service/am/am.h
@@ -8,7 +8,7 @@
 #include <memory>
 #include <queue>
 
-#include "core/hle/kernel/k_event.h"
+#include "core/hle/service/kernel_helpers.h"
 #include "core/hle/service/service.h"
 
 namespace Kernel {
@@ -53,7 +53,7 @@ public:
         PerformanceModeChanged = 31,
     };
 
-    explicit AppletMessageQueue(Kernel::KernelCore& kernel);
+    explicit AppletMessageQueue(Core::System& system);
     ~AppletMessageQueue();
 
     Kernel::KReadableEvent& GetMessageReceiveEvent();
@@ -66,9 +66,12 @@ public:
     void OperationModeChanged();
 
 private:
+    KernelHelpers::ServiceContext service_context;
+
+    Kernel::KEvent* on_new_message;
+    Kernel::KEvent* on_operation_mode_changed;
+
     std::queue<AppletMessage> messages;
-    Kernel::KEvent on_new_message;
-    Kernel::KEvent on_operation_mode_changed;
 };
 
 class IWindowController final : public ServiceFramework<IWindowController> {
@@ -156,8 +159,11 @@ private:
     };
 
     NVFlinger::NVFlinger& nvflinger;
-    Kernel::KEvent launchable_event;
-    Kernel::KEvent accumulated_suspended_tick_changed_event;
+
+    KernelHelpers::ServiceContext service_context;
+
+    Kernel::KEvent* launchable_event;
+    Kernel::KEvent* accumulated_suspended_tick_changed_event;
 
     u32 idle_time_detection_extension = 0;
     u64 num_fatal_sections_entered = 0;
@@ -298,13 +304,15 @@ private:
     void GetNotificationStorageChannelEvent(Kernel::HLERequestContext& ctx);
     void GetHealthWarningDisappearedSystemEvent(Kernel::HLERequestContext& ctx);
 
+    KernelHelpers::ServiceContext service_context;
+
     bool launch_popped_application_specific = false;
     bool launch_popped_account_preselect = false;
     s32 previous_program_index{-1};
-    Kernel::KEvent gpu_error_detected_event;
-    Kernel::KEvent friend_invitation_storage_channel_event;
-    Kernel::KEvent notification_storage_channel_event;
-    Kernel::KEvent health_warning_disappeared_system_event;
+    Kernel::KEvent* gpu_error_detected_event;
+    Kernel::KEvent* friend_invitation_storage_channel_event;
+    Kernel::KEvent* notification_storage_channel_event;
+    Kernel::KEvent* health_warning_disappeared_system_event;
 };
 
 class IHomeMenuFunctions final : public ServiceFramework<IHomeMenuFunctions> {
@@ -316,7 +324,9 @@ private:
     void RequestToGetForeground(Kernel::HLERequestContext& ctx);
     void GetPopFromGeneralChannelEvent(Kernel::HLERequestContext& ctx);
 
-    Kernel::KEvent pop_from_general_channel_event;
+    KernelHelpers::ServiceContext service_context;
+
+    Kernel::KEvent* pop_from_general_channel_event;
 };
 
 class IGlobalStateController final : public ServiceFramework<IGlobalStateController> {
diff --git a/src/core/hle/service/am/applets/applets.cpp b/src/core/hle/service/am/applets/applets.cpp
index 2b7685d42..7320b1c0f 100644
--- a/src/core/hle/service/am/applets/applets.cpp
+++ b/src/core/hle/service/am/applets/applets.cpp
@@ -12,8 +12,7 @@
 #include "core/frontend/applets/profile_select.h"
 #include "core/frontend/applets/software_keyboard.h"
 #include "core/frontend/applets/web_browser.h"
-#include "core/hle/kernel/k_readable_event.h"
-#include "core/hle/kernel/k_writable_event.h"
+#include "core/hle/kernel/k_event.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applet_ae.h"
 #include "core/hle/service/am/applet_oe.h"
@@ -29,19 +28,19 @@
 namespace Service::AM::Applets {
 
 AppletDataBroker::AppletDataBroker(Core::System& system_, LibraryAppletMode applet_mode_)
-    : system{system_}, applet_mode{applet_mode_}, state_changed_event{system.Kernel()},
-      pop_out_data_event{system.Kernel()}, pop_interactive_out_data_event{system.Kernel()} {
-
-    Kernel::KAutoObject::Create(std::addressof(state_changed_event));
-    Kernel::KAutoObject::Create(std::addressof(pop_out_data_event));
-    Kernel::KAutoObject::Create(std::addressof(pop_interactive_out_data_event));
-
-    state_changed_event.Initialize("ILibraryAppletAccessor:StateChangedEvent");
-    pop_out_data_event.Initialize("ILibraryAppletAccessor:PopDataOutEvent");
-    pop_interactive_out_data_event.Initialize("ILibraryAppletAccessor:PopInteractiveDataOutEvent");
+    : system{system_}, applet_mode{applet_mode_}, service_context{system,
+                                                                  "ILibraryAppletAccessor"} {
+    state_changed_event = service_context.CreateEvent("ILibraryAppletAccessor:StateChangedEvent");
+    pop_out_data_event = service_context.CreateEvent("ILibraryAppletAccessor:PopDataOutEvent");
+    pop_interactive_out_data_event =
+        service_context.CreateEvent("ILibraryAppletAccessor:PopInteractiveDataOutEvent");
 }
 
-AppletDataBroker::~AppletDataBroker() = default;
+AppletDataBroker::~AppletDataBroker() {
+    service_context.CloseEvent(state_changed_event);
+    service_context.CloseEvent(pop_out_data_event);
+    service_context.CloseEvent(pop_interactive_out_data_event);
+}
 
 AppletDataBroker::RawChannelData AppletDataBroker::PeekDataToAppletForDebug() const {
     std::vector<std::vector<u8>> out_normal;
@@ -65,7 +64,7 @@ std::shared_ptr<IStorage> AppletDataBroker::PopNormalDataToGame() {
 
     auto out = std::move(out_channel.front());
     out_channel.pop_front();
-    pop_out_data_event.GetWritableEvent().Clear();
+    pop_out_data_event->GetWritableEvent().Clear();
     return out;
 }
 
@@ -84,7 +83,7 @@ std::shared_ptr<IStorage> AppletDataBroker::PopInteractiveDataToGame() {
 
     auto out = std::move(out_interactive_channel.front());
     out_interactive_channel.pop_front();
-    pop_interactive_out_data_event.GetWritableEvent().Clear();
+    pop_interactive_out_data_event->GetWritableEvent().Clear();
     return out;
 }
 
@@ -103,7 +102,7 @@ void AppletDataBroker::PushNormalDataFromGame(std::shared_ptr<IStorage>&& storag
 
 void AppletDataBroker::PushNormalDataFromApplet(std::shared_ptr<IStorage>&& storage) {
     out_channel.emplace_back(std::move(storage));
-    pop_out_data_event.GetWritableEvent().Signal();
+    pop_out_data_event->GetWritableEvent().Signal();
 }
 
 void AppletDataBroker::PushInteractiveDataFromGame(std::shared_ptr<IStorage>&& storage) {
@@ -112,11 +111,11 @@ void AppletDataBroker::PushInteractiveDataFromGame(std::shared_ptr<IStorage>&& s
 
 void AppletDataBroker::PushInteractiveDataFromApplet(std::shared_ptr<IStorage>&& storage) {
     out_interactive_channel.emplace_back(std::move(storage));
-    pop_interactive_out_data_event.GetWritableEvent().Signal();
+    pop_interactive_out_data_event->GetWritableEvent().Signal();
 }
 
 void AppletDataBroker::SignalStateChanged() {
-    state_changed_event.GetWritableEvent().Signal();
+    state_changed_event->GetWritableEvent().Signal();
 
     switch (applet_mode) {
     case LibraryAppletMode::AllForeground:
@@ -141,15 +140,15 @@ void AppletDataBroker::SignalStateChanged() {
 }
 
 Kernel::KReadableEvent& AppletDataBroker::GetNormalDataEvent() {
-    return pop_out_data_event.GetReadableEvent();
+    return pop_out_data_event->GetReadableEvent();
 }
 
 Kernel::KReadableEvent& AppletDataBroker::GetInteractiveDataEvent() {
-    return pop_interactive_out_data_event.GetReadableEvent();
+    return pop_interactive_out_data_event->GetReadableEvent();
 }
 
 Kernel::KReadableEvent& AppletDataBroker::GetStateChangedEvent() {
-    return state_changed_event.GetReadableEvent();
+    return state_changed_event->GetReadableEvent();
 }
 
 Applet::Applet(Core::System& system_, LibraryAppletMode applet_mode_)
diff --git a/src/core/hle/service/am/applets/applets.h b/src/core/hle/service/am/applets/applets.h
index 5c0b4b459..15eeb4ee1 100644
--- a/src/core/hle/service/am/applets/applets.h
+++ b/src/core/hle/service/am/applets/applets.h
@@ -8,7 +8,7 @@
 #include <queue>
 
 #include "common/swap.h"
-#include "core/hle/kernel/k_event.h"
+#include "core/hle/service/kernel_helpers.h"
 
 union ResultCode;
 
@@ -105,6 +105,8 @@ private:
     Core::System& system;
     LibraryAppletMode applet_mode;
 
+    KernelHelpers::ServiceContext service_context;
+
     // Queues are named from applet's perspective
 
     // PopNormalDataToApplet and PushNormalDataFromGame
@@ -119,13 +121,13 @@ private:
     // PopInteractiveDataToGame and PushInteractiveDataFromApplet
     std::deque<std::shared_ptr<IStorage>> out_interactive_channel;
 
-    Kernel::KEvent state_changed_event;
+    Kernel::KEvent* state_changed_event;
 
     // Signaled on PushNormalDataFromApplet
-    Kernel::KEvent pop_out_data_event;
+    Kernel::KEvent* pop_out_data_event;
 
     // Signaled on PushInteractiveDataFromApplet
-    Kernel::KEvent pop_interactive_out_data_event;
+    Kernel::KEvent* pop_interactive_out_data_event;
 };
 
 class Applet {