kernel: remove KWritableEvent

src/core/hle/service/acc/async_context.cpp

@@ -64,7 +64,7 @@ void IAsyncContext::GetResult(Kernel::HLERequestContext& ctx) {
 
 void IAsyncContext::MarkComplete() {
     is_complete.store(true);
-    completion_event->GetWritableEvent().Signal();
+    completion_event->Signal();
 }
 
 } // namespace Service::Account

src/core/hle/service/am/am.cpp

@@ -316,7 +316,7 @@ ISelfController::ISelfController(Core::System& system_, NVFlinger::NVFlinger& nv
 
     accumulated_suspended_tick_changed_event =
         service_context.CreateEvent("ISelfController:AccumulatedSuspendedTickChangedEvent");
-    accumulated_suspended_tick_changed_event->GetWritableEvent().Signal();
+    accumulated_suspended_tick_changed_event->Signal();
 }
 
 ISelfController::~ISelfController() {
@@ -378,7 +378,7 @@ void ISelfController::LeaveFatalSection(Kernel::HLERequestContext& ctx) {
 void ISelfController::GetLibraryAppletLaunchableEvent(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AM, "(STUBBED) called");
 
-    launchable_event->GetWritableEvent().Signal();
+    launchable_event->Signal();
 
     IPC::ResponseBuilder rb{ctx, 2, 1};
     rb.Push(ResultSuccess);
@@ -618,18 +618,18 @@ Kernel::KReadableEvent& AppletMessageQueue::GetOperationModeChangedEvent() {
 
 void AppletMessageQueue::PushMessage(AppletMessage msg) {
     messages.push(msg);
-    on_new_message->GetWritableEvent().Signal();
+    on_new_message->Signal();
 }
 
 AppletMessageQueue::AppletMessage AppletMessageQueue::PopMessage() {
     if (messages.empty()) {
-        on_new_message->GetWritableEvent().Clear();
+        on_new_message->Clear();
         return AppletMessage::None;
     }
     auto msg = messages.front();
     messages.pop();
     if (messages.empty()) {
-        on_new_message->GetWritableEvent().Clear();
+        on_new_message->Clear();
     }
     return msg;
 }
@@ -653,7 +653,7 @@ void AppletMessageQueue::FocusStateChanged() {
 void AppletMessageQueue::OperationModeChanged() {
     PushMessage(AppletMessage::OperationModeChanged);
     PushMessage(AppletMessage::PerformanceModeChanged);
-    on_operation_mode_changed->GetWritableEvent().Signal();
+    on_operation_mode_changed->Signal();
 }
 
 ICommonStateGetter::ICommonStateGetter(Core::System& system_,

src/core/hle/service/am/applets/applets.cpp

@@ -65,7 +65,7 @@ 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->Clear();
     return out;
 }
 
@@ -84,7 +84,7 @@ 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->Clear();
     return out;
 }
 
@@ -103,7 +103,7 @@ 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->Signal();
 }
 
 void AppletDataBroker::PushInteractiveDataFromGame(std::shared_ptr<IStorage>&& storage) {
@@ -112,11 +112,11 @@ 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->Signal();
 }
 
 void AppletDataBroker::SignalStateChanged() {
-    state_changed_event->GetWritableEvent().Signal();
+    state_changed_event->Signal();
 
     switch (applet_mode) {
     case LibraryAppletMode::AllForeground:

src/core/hle/service/audio/audren_u.cpp

@@ -239,7 +239,7 @@ public:
         };
         RegisterHandlers(functions);
 
-        event->GetWritableEvent().Signal();
+        event->Signal();
     }
 
     ~IAudioDevice() override {
@@ -325,7 +325,7 @@ private:
     void QueryAudioDeviceSystemEvent(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_Audio, "(STUBBED) called");
 
-        event->GetWritableEvent().Signal();
+        event->Signal();
 
         IPC::ResponseBuilder rb{ctx, 2, 1};
         rb.Push(ResultSuccess);

src/core/hle/service/bcat/backend/backend.cpp

@@ -82,7 +82,7 @@ void ProgressServiceBackend::FinishDownload(Result result) {
 }
 
 void ProgressServiceBackend::SignalUpdate() {
-    update_event->GetWritableEvent().Signal();
+    update_event->Signal();
 }
 
 Backend::Backend(DirectoryGetter getter) : dir_getter(std::move(getter)) {}

src/core/hle/service/hid/controllers/npad.cpp

@@ -16,7 +16,6 @@
 #include "core/hid/hid_core.h"
 #include "core/hle/kernel/k_event.h"
 #include "core/hle/kernel/k_readable_event.h"
-#include "core/hle/kernel/k_writable_event.h"
 #include "core/hle/service/hid/controllers/npad.h"
 #include "core/hle/service/hid/errors.h"
 #include "core/hle/service/kernel_helpers.h"
@@ -167,7 +166,7 @@ void Controller_NPad::InitNewlyAddedController(Core::HID::NpadIdType npad_id) {
     const auto& battery_level = controller.device->GetBattery();
     auto* shared_memory = controller.shared_memory;
     if (controller_type == Core::HID::NpadStyleIndex::None) {
-        controller.styleset_changed_event->GetWritableEvent().Signal();
+        controller.styleset_changed_event->Signal();
         return;
     }
 
@@ -1033,7 +1032,7 @@ Kernel::KReadableEvent& Controller_NPad::GetStyleSetChangedEvent(Core::HID::Npad
 
 void Controller_NPad::SignalStyleSetChangedEvent(Core::HID::NpadIdType npad_id) const {
     const auto& controller = GetControllerFromNpadIdType(npad_id);
-    controller.styleset_changed_event->GetWritableEvent().Signal();
+    controller.styleset_changed_event->Signal();
 }
 
 void Controller_NPad::AddNewControllerAt(Core::HID::NpadStyleIndex controller,

src/core/hle/service/hid/controllers/palma.cpp

@@ -73,7 +73,7 @@ Result Controller_Palma::PlayPalmaActivity(const PalmaConnectionHandle& handle,
     operation.operation = PalmaOperationType::PlayActivity;
     operation.result = PalmaResultSuccess;
     operation.data = {};
-    operation_complete_event->GetWritableEvent().Signal();
+    operation_complete_event->Signal();
     return ResultSuccess;
 }
 
@@ -93,7 +93,7 @@ Result Controller_Palma::ReadPalmaStep(const PalmaConnectionHandle& handle) {
     operation.operation = PalmaOperationType::ReadStep;
     operation.result = PalmaResultSuccess;
     operation.data = {};
-    operation_complete_event->GetWritableEvent().Signal();
+    operation_complete_event->Signal();
     return ResultSuccess;
 }
 
@@ -122,7 +122,7 @@ Result Controller_Palma::ReadPalmaUniqueCode(const PalmaConnectionHandle& handle
     operation.operation = PalmaOperationType::ReadUniqueCode;
     operation.result = PalmaResultSuccess;
     operation.data = {};
-    operation_complete_event->GetWritableEvent().Signal();
+    operation_complete_event->Signal();
     return ResultSuccess;
 }
 
@@ -133,7 +133,7 @@ Result Controller_Palma::SetPalmaUniqueCodeInvalid(const PalmaConnectionHandle&
     operation.operation = PalmaOperationType::SetUniqueCodeInvalid;
     operation.result = PalmaResultSuccess;
     operation.data = {};
-    operation_complete_event->GetWritableEvent().Signal();
+    operation_complete_event->Signal();
     return ResultSuccess;
 }
 
@@ -147,7 +147,7 @@ Result Controller_Palma::WritePalmaRgbLedPatternEntry(const PalmaConnectionHandl
     operation.operation = PalmaOperationType::WriteRgbLedPatternEntry;
     operation.result = PalmaResultSuccess;
     operation.data = {};
-    operation_complete_event->GetWritableEvent().Signal();
+    operation_complete_event->Signal();
     return ResultSuccess;
 }
 
@@ -159,7 +159,7 @@ Result Controller_Palma::WritePalmaWaveEntry(const PalmaConnectionHandle& handle
     operation.operation = PalmaOperationType::WriteWaveEntry;
     operation.result = PalmaResultSuccess;
     operation.data = {};
-    operation_complete_event->GetWritableEvent().Signal();
+    operation_complete_event->Signal();
     return ResultSuccess;
 }
 
@@ -172,7 +172,7 @@ Result Controller_Palma::SetPalmaDataBaseIdentificationVersion(const PalmaConnec
     operation.operation = PalmaOperationType::ReadDataBaseIdentificationVersion;
     operation.result = PalmaResultSuccess;
     operation.data[0] = {};
-    operation_complete_event->GetWritableEvent().Signal();
+    operation_complete_event->Signal();
     return ResultSuccess;
 }
 
@@ -185,7 +185,7 @@ Result Controller_Palma::GetPalmaDataBaseIdentificationVersion(
     operation.result = PalmaResultSuccess;
     operation.data = {};
     operation.data[0] = static_cast<u8>(database_id_version);
-    operation_complete_event->GetWritableEvent().Signal();
+    operation_complete_event->Signal();
     return ResultSuccess;
 }
 

src/core/hle/service/hid/hidbus/ringcon.cpp

@@ -131,12 +131,12 @@ bool RingController::SetCommand(const std::vector<u8>& data) {
     case RingConCommands::ReadRepCount:
     case RingConCommands::ReadTotalPushCount:
         ASSERT_MSG(data.size() == 0x4, "data.size is not 0x4 bytes");
-        send_command_async_event->GetWritableEvent().Signal();
+        send_command_async_event->Signal();
         return true;
     case RingConCommands::ResetRepCount:
         ASSERT_MSG(data.size() == 0x4, "data.size is not 0x4 bytes");
         total_rep_count = 0;
-        send_command_async_event->GetWritableEvent().Signal();
+        send_command_async_event->Signal();
         return true;
     case RingConCommands::SaveCalData: {
         ASSERT_MSG(data.size() == 0x14, "data.size is not 0x14 bytes");
@@ -144,14 +144,14 @@ bool RingController::SetCommand(const std::vector<u8>& data) {
         SaveCalData save_info{};
         std::memcpy(&save_info, data.data(), sizeof(SaveCalData));
         user_calibration = save_info.calibration;
-        send_command_async_event->GetWritableEvent().Signal();
+        send_command_async_event->Signal();
         return true;
     }
     default:
         LOG_ERROR(Service_HID, "Command not implemented {}", command);
         command = RingConCommands::Error;
         // Signal a reply to avoid softlocking the game
-        send_command_async_event->GetWritableEvent().Signal();
+        send_command_async_event->Signal();
         return false;
     }
 }

src/core/hle/service/kernel_helpers.cpp

@@ -9,7 +9,6 @@
 #include "core/hle/kernel/k_readable_event.h"
 #include "core/hle/kernel/k_resource_limit.h"
 #include "core/hle/kernel/k_scoped_resource_reservation.h"
-#include "core/hle/kernel/k_writable_event.h"
 #include "core/hle/service/kernel_helpers.h"
 
 namespace Service::KernelHelpers {
@@ -46,7 +45,7 @@ Kernel::KEvent* ServiceContext::CreateEvent(std::string&& name) {
     }
 
     // Initialize the event.
-    event->Initialize(std::move(name), process);
+    event->Initialize(process);
 
     // Commit the thread reservation.
     event_reservation.Commit();
@@ -59,7 +58,7 @@ Kernel::KEvent* ServiceContext::CreateEvent(std::string&& name) {
 
 void ServiceContext::CloseEvent(Kernel::KEvent* event) {
     event->GetReadableEvent().Close();
-    event->GetWritableEvent().Close();
+    event->Close();
 }
 
 } // namespace Service::KernelHelpers

src/core/hle/service/ldn/ldn.cpp

@@ -165,7 +165,7 @@ public:
     }
 
     void OnEventFired() {
-        state_change_event->GetWritableEvent().Signal();
+        state_change_event->Signal();
     }
 
     void GetState(Kernel::HLERequestContext& ctx) {

src/core/hle/service/nfp/nfp_device.cpp

@@ -58,7 +58,7 @@ NfpDevice::~NfpDevice() {
 void NfpDevice::NpadUpdate(Core::HID::ControllerTriggerType type) {
     if (type == Core::HID::ControllerTriggerType::Connected ||
         type == Core::HID::ControllerTriggerType::Disconnected) {
-        availability_change_event->GetWritableEvent().Signal();
+        availability_change_event->Signal();
         return;
     }
 
@@ -100,7 +100,7 @@ bool NfpDevice::LoadAmiibo(std::span<const u8> data) {
 
     device_state = DeviceState::TagFound;
     deactivate_event->GetReadableEvent().Clear();
-    activate_event->GetWritableEvent().Signal();
+    activate_event->Signal();
     return true;
 }
 
@@ -115,7 +115,7 @@ void NfpDevice::CloseAmiibo() {
     encrypted_tag_data = {};
     tag_data = {};
     activate_event->GetReadableEvent().Clear();
-    deactivate_event->GetWritableEvent().Signal();
+    deactivate_event->Signal();
 }
 
 Kernel::KReadableEvent& NfpDevice::GetActivateEvent() const {

src/core/hle/service/nim/nim.cpp

@@ -328,7 +328,7 @@ private:
     void StartTask(Kernel::HLERequestContext& ctx) {
         // No need to connect to the internet, just finish the task straight away.
         LOG_DEBUG(Service_NIM, "called");
-        finished_event->GetWritableEvent().Signal();
+        finished_event->Signal();
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(ResultSuccess);
     }
@@ -350,7 +350,7 @@ private:
 
     void Cancel(Kernel::HLERequestContext& ctx) {
         LOG_DEBUG(Service_NIM, "called");
-        finished_event->GetWritableEvent().Clear();
+        finished_event->Clear();
         IPC::ResponseBuilder rb{ctx, 2};
         rb.Push(ResultSuccess);
     }

src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp

@@ -12,7 +12,6 @@
 #include "common/scope_exit.h"
 #include "core/core.h"
 #include "core/hle/kernel/k_event.h"
-#include "core/hle/kernel/k_writable_event.h"
 #include "core/hle/service/nvdrv/core/container.h"
 #include "core/hle/service/nvdrv/core/syncpoint_manager.h"
 #include "core/hle/service/nvdrv/devices/nvhost_ctrl.h"
@@ -206,7 +205,7 @@ NvResult nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector
             auto& event_ = events[slot];
             if (event_.status.exchange(EventState::Signalling, std::memory_order_acq_rel) ==
                 EventState::Waiting) {
-                event_.kevent->GetWritableEvent().Signal();
+                event_.kevent->Signal();
             }
             event_.status.store(EventState::Signalled, std::memory_order_release);
         });
@@ -306,7 +305,7 @@ NvResult nvhost_ctrl::IocCtrlClearEventWait(const std::vector<u8>& input, std::v
     }
     event.fails++;
     event.status.store(EventState::Cancelled, std::memory_order_release);
-    event.kevent->GetWritableEvent().Clear();
+    event.kevent->Clear();
 
     return NvResult::Success;
 }

src/core/hle/service/nvdrv/nvdrv.cpp

@@ -8,7 +8,6 @@
 #include "core/core.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/k_event.h"
-#include "core/hle/kernel/k_writable_event.h"
 #include "core/hle/service/nvdrv/core/container.h"
 #include "core/hle/service/nvdrv/devices/nvdevice.h"
 #include "core/hle/service/nvdrv/devices/nvdisp_disp0.h"

src/core/hle/service/nvdrv/nvdrv_interface.h

@@ -7,10 +7,6 @@
 #include "core/hle/service/nvdrv/nvdrv.h"
 #include "core/hle/service/service.h"
 
-namespace Kernel {
-class KWritableEvent;
-}
-
 namespace Service::Nvidia {
 
 class NVDRV final : public ServiceFramework<NVDRV> {

src/core/hle/service/nvflinger/buffer_queue_producer.cpp

@@ -11,7 +11,6 @@
 #include "core/hle/kernel/hle_ipc.h"
 #include "core/hle/kernel/k_event.h"
 #include "core/hle/kernel/k_readable_event.h"
-#include "core/hle/kernel/k_writable_event.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/service/kernel_helpers.h"
 #include "core/hle/service/nvdrv/core/nvmap.h"
@@ -110,7 +109,7 @@ Status BufferQueueProducer::SetBufferCount(s32 buffer_count) {
 
         core->override_max_buffer_count = buffer_count;
         core->SignalDequeueCondition();
-        buffer_wait_event->GetWritableEvent().Signal();
+        buffer_wait_event->Signal();
         listener = core->consumer_listener;
     }
 
@@ -623,7 +622,7 @@ void BufferQueueProducer::CancelBuffer(s32 slot, const Fence& fence) {
     slots[slot].fence = fence;
 
     core->SignalDequeueCondition();
-    buffer_wait_event->GetWritableEvent().Signal();
+    buffer_wait_event->Signal();
 }
 
 Status BufferQueueProducer::Query(NativeWindow what, s32* out_value) {
@@ -753,7 +752,7 @@ Status BufferQueueProducer::Disconnect(NativeWindowApi api) {
                 core->connected_producer_listener = nullptr;
                 core->connected_api = NativeWindowApi::NoConnectedApi;
                 core->SignalDequeueCondition();
-                buffer_wait_event->GetWritableEvent().Signal();
+                buffer_wait_event->Signal();
                 listener = core->consumer_listener;
             } else {
                 LOG_ERROR(Service_NVFlinger, "still connected to another api (cur = {} req = {})",
@@ -802,7 +801,7 @@ Status BufferQueueProducer::SetPreallocatedBuffer(s32 slot,
     }
 
     core->SignalDequeueCondition();
-    buffer_wait_event->GetWritableEvent().Signal();
+    buffer_wait_event->Signal();
 
     return Status::NoError;
 }

src/core/hle/service/nvflinger/buffer_queue_producer.h

@@ -24,7 +24,6 @@ namespace Kernel {
 class KernelCore;
 class KEvent;
 class KReadableEvent;
-class KWritableEvent;
 } // namespace Kernel
 
 namespace Service::KernelHelpers {

src/core/hle/service/nvflinger/nvflinger.h

@@ -25,7 +25,6 @@ struct EventType;
 
 namespace Kernel {
 class KReadableEvent;
-class KWritableEvent;
 } // namespace Kernel
 
 namespace Service::Nvidia {

src/core/hle/service/ptm/psm.cpp

@@ -37,19 +37,19 @@ public:
 
     void SignalChargerTypeChanged() {
         if (should_signal && should_signal_charger_type) {
-            state_change_event->GetWritableEvent().Signal();
+            state_change_event->Signal();
         }
     }
 
     void SignalPowerSupplyChanged() {
         if (should_signal && should_signal_power_supply) {
-            state_change_event->GetWritableEvent().Signal();
+            state_change_event->Signal();
         }
     }
 
     void SignalBatteryVoltageStateChanged() {
         if (should_signal && should_signal_battery_voltage) {
-            state_change_event->GetWritableEvent().Signal();
+            state_change_event->Signal();
         }
     }
 

src/core/hle/service/time/system_clock_context_update_callback.cpp

@@ -1,7 +1,7 @@
 // SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include "core/hle/kernel/k_writable_event.h"
+#include "core/hle/kernel/k_event.h"
 #include "core/hle/service/time/errors.h"
 #include "core/hle/service/time/system_clock_context_update_callback.h"
 
@@ -20,13 +20,13 @@ bool SystemClockContextUpdateCallback::NeedUpdate(const SystemClockContext& valu
 }
 
 void SystemClockContextUpdateCallback::RegisterOperationEvent(
-    std::shared_ptr<Kernel::KWritableEvent>&& writable_event) {
-    operation_event_list.emplace_back(std::move(writable_event));
+    std::shared_ptr<Kernel::KEvent>&& event) {
+    operation_event_list.emplace_back(std::move(event));
 }
 
 void SystemClockContextUpdateCallback::BroadcastOperationEvent() {
-    for (const auto& writable_event : operation_event_list) {
-        writable_event->Signal();
+    for (const auto& event : operation_event_list) {
+        event->Signal();
     }
 }
 

src/core/hle/service/time/system_clock_context_update_callback.h

@@ -9,7 +9,7 @@
 #include "core/hle/service/time/clock_types.h"
 
 namespace Kernel {
-class KWritableEvent;
+class KEvent;
 }
 
 namespace Service::Time::Clock {
@@ -24,7 +24,7 @@ public:
 
     bool NeedUpdate(const SystemClockContext& value) const;
 
-    void RegisterOperationEvent(std::shared_ptr<Kernel::KWritableEvent>&& writable_event);
+    void RegisterOperationEvent(std::shared_ptr<Kernel::KEvent>&& event);
 
     void BroadcastOperationEvent();
 
@@ -37,7 +37,7 @@ protected:
 
 private:
     bool has_context{};
-    std::vector<std::shared_ptr<Kernel::KWritableEvent>> operation_event_list;
+    std::vector<std::shared_ptr<Kernel::KEvent>> operation_event_list;
 };
 
 } // namespace Service::Time::Clock

src/core/hle/service/vi/display/vi_display.cpp

@@ -10,7 +10,6 @@
 #include "core/core.h"
 #include "core/hle/kernel/k_event.h"
 #include "core/hle/kernel/k_readable_event.h"
-#include "core/hle/kernel/k_writable_event.h"
 #include "core/hle/service/kernel_helpers.h"
 #include "core/hle/service/nvdrv/core/container.h"
 #include "core/hle/service/nvflinger/buffer_item_consumer.h"
@@ -74,7 +73,7 @@ Kernel::KReadableEvent* Display::GetVSyncEventUnchecked() {
 }
 
 void Display::SignalVSyncEvent() {
-    vsync_event->GetWritableEvent().Signal();
+    vsync_event->Signal();
 }
 
 void Display::CreateLayer(u64 layer_id, u32 binder_id,