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Ryujinx/Ryujinx.HLE/HOS/Services/Am/AppletOE/ApplicationProxyService/ApplicationProxy/IApplicationFunctions.cs
Alex Barney 19afb3209c
Update to LibHac 0.13.1 (#2328)
Update the LibHac dependency to version 0.13.1. This brings a ton of improvements and changes such as:
- Refactor `FsSrv` to match the official refactoring done in FS.
- Change how the `Horizon` and `HorizonClient` classes are handled. Each client created represents a different process with its own process ID and client state.
- Add FS access control to handle permissions for FS service method calls.
- Add FS program registry to keep track of the program ID, location and permissions of each process.
- Add FS program index map info manager to track the program IDs and indexes of multi-application programs.
- Add all FS IPC interfaces.
- Rewrite `Fs.Fsa` code to be more accurate.
- Rewrite a lot of `FsSrv` code to be more accurate.
- Extend directory save data to store `SaveDataExtraData`
- Extend directory save data to lock the save directory to allow only one accessor at a time.
- Improve waiting and retrying when encountering access issues in `LocalFileSystem` and `DirectorySaveDataFileSystem`.
- More `IFileSystemProxy` methods should work now.
- Probably a bunch more stuff.

On the Ryujinx side:
- Forward most `IFileSystemProxy` methods to LibHac.
- Register programs and program index map info when launching an application.
- Remove hacks and workarounds for missing LibHac functionality.
- Recreate missing save data extra data found on emulator startup.
- Create system save data that wasn't indexed correctly on an older LibHac version.

`FsSrv` now enforces access control for each process. When a process tries to open a save data file system, FS reads the save's extra data to determine who the save owner is and if the caller has permission to open the save data. Previously-created save data did not have extra data created when the save was created.
With access control checks in place, this means that processes with no permissions (most games) wouldn't be able to access their own save data. The extra data can be partially created from data in the save data indexer, which should be enough for access control purposes.
2021-07-13 01:19:28 -07:00

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26 KiB
C#

using LibHac;
using LibHac.Account;
using LibHac.Common;
using LibHac.Fs;
using LibHac.Ns;
using Ryujinx.Common;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Memory;
using Ryujinx.HLE.HOS.Kernel.Threading;
using Ryujinx.HLE.HOS.Services.Am.AppletAE.Storage;
using Ryujinx.HLE.HOS.Services.Am.AppletOE.ApplicationProxyService.ApplicationProxy.Types;
using Ryujinx.HLE.HOS.Services.Sdb.Pdm.QueryService;
using Ryujinx.HLE.HOS.SystemState;
using System;
using System.Numerics;
using static LibHac.Fs.ApplicationSaveDataManagement;
using AccountUid = Ryujinx.HLE.HOS.Services.Account.Acc.UserId;
using ApplicationId = LibHac.Ncm.ApplicationId;
namespace Ryujinx.HLE.HOS.Services.Am.AppletOE.ApplicationProxyService.ApplicationProxy
{
class IApplicationFunctions : IpcService
{
private ulong _defaultSaveDataSize = 200000000;
private ulong _defaultJournalSaveDataSize = 200000000;
private KEvent _gpuErrorDetectedSystemEvent;
private KEvent _friendInvitationStorageChannelEvent;
private KEvent _notificationStorageChannelEvent;
private KEvent _healthWarningDisappearedSystemEvent;
private int _gpuErrorDetectedSystemEventHandle;
private int _friendInvitationStorageChannelEventHandle;
private int _notificationStorageChannelEventHandle;
private int _healthWarningDisappearedSystemEventHandle;
private HorizonClient _horizon;
public IApplicationFunctions(Horizon system)
{
// TODO: Find where they are signaled.
_gpuErrorDetectedSystemEvent = new KEvent(system.KernelContext);
_friendInvitationStorageChannelEvent = new KEvent(system.KernelContext);
_notificationStorageChannelEvent = new KEvent(system.KernelContext);
_healthWarningDisappearedSystemEvent = new KEvent(system.KernelContext);
_horizon = system.LibHacHorizonManager.AmClient;
}
[CommandHipc(1)]
// PopLaunchParameter(LaunchParameterKind kind) -> object<nn::am::service::IStorage>
public ResultCode PopLaunchParameter(ServiceCtx context)
{
LaunchParameterKind kind = (LaunchParameterKind)context.RequestData.ReadUInt32();
byte[] storageData;
switch (kind)
{
case LaunchParameterKind.UserChannel:
storageData = context.Device.Configuration.UserChannelPersistence.Pop();
break;
case LaunchParameterKind.PreselectedUser:
// Only the first 0x18 bytes of the Data seems to be actually used.
storageData = StorageHelper.MakeLaunchParams(context.Device.System.AccountManager.LastOpenedUser);
break;
case LaunchParameterKind.Unknown:
throw new NotImplementedException("Unknown LaunchParameterKind.");
default:
return ResultCode.ObjectInvalid;
}
if (storageData == null)
{
return ResultCode.NotAvailable;
}
MakeObject(context, new AppletAE.IStorage(storageData));
return ResultCode.Success;
}
[CommandHipc(12)] // 4.0.0+
// CreateApplicationAndRequestToStart(u64 title_id)
public ResultCode CreateApplicationAndRequestToStart(ServiceCtx context)
{
ulong titleId = context.RequestData.ReadUInt64();
Logger.Stub?.PrintStub(LogClass.ServiceAm, new { titleId });
if (titleId == 0)
{
context.Device.UiHandler.ExecuteProgram(context.Device, ProgramSpecifyKind.RestartProgram, titleId);
}
else
{
throw new NotImplementedException();
}
return ResultCode.Success;
}
[CommandHipc(20)]
// EnsureSaveData(nn::account::Uid) -> u64
public ResultCode EnsureSaveData(ServiceCtx context)
{
Uid userId = context.RequestData.ReadStruct<AccountUid>().ToLibHacUid();
// Mask out the low nibble of the program ID to get the application ID
ApplicationId applicationId = new ApplicationId(context.Device.Application.TitleId & ~0xFul);
BlitStruct<ApplicationControlProperty> controlHolder = context.Device.Application.ControlData;
ref ApplicationControlProperty control = ref controlHolder.Value;
if (LibHac.Utilities.IsZeros(controlHolder.ByteSpan))
{
// If the current application doesn't have a loaded control property, create a dummy one
// and set the savedata sizes so a user savedata will be created.
control = ref new BlitStruct<ApplicationControlProperty>(1).Value;
// The set sizes don't actually matter as long as they're non-zero because we use directory savedata.
control.UserAccountSaveDataSize = 0x4000;
control.UserAccountSaveDataJournalSize = 0x4000;
Logger.Warning?.Print(LogClass.ServiceAm,
"No control file was found for this game. Using a dummy one instead. This may cause inaccuracies in some games.");
}
HorizonClient hos = context.Device.System.LibHacHorizonManager.AmClient;
Result result = EnsureApplicationSaveData(hos.Fs, out long requiredSize, applicationId, ref control, ref userId);
context.ResponseData.Write(requiredSize);
return (ResultCode)result.Value;
}
[CommandHipc(21)]
// GetDesiredLanguage() -> nn::settings::LanguageCode
public ResultCode GetDesiredLanguage(ServiceCtx context)
{
// This seems to be calling ns:am GetApplicationDesiredLanguage followed by ConvertApplicationLanguageToLanguageCode
// Calls are from a IReadOnlyApplicationControlDataInterface object
// ConvertApplicationLanguageToLanguageCode compares language code strings and returns the index
// TODO: When above calls are implemented, switch to using ns:am
long desiredLanguageCode = context.Device.System.State.DesiredLanguageCode;
int supportedLanguages = (int)context.Device.Application.ControlData.Value.SupportedLanguages;
int firstSupported = BitOperations.TrailingZeroCount(supportedLanguages);
if (firstSupported > (int)SystemState.TitleLanguage.Chinese)
{
Logger.Warning?.Print(LogClass.ServiceAm, "Application has zero supported languages");
context.ResponseData.Write(desiredLanguageCode);
return ResultCode.Success;
}
// If desired language is not supported by application, use first supported language from TitleLanguage.
// TODO: In the future, a GUI could enable user-specified search priority
if (((1 << (int)context.Device.System.State.DesiredTitleLanguage) & supportedLanguages) == 0)
{
SystemLanguage newLanguage = Enum.Parse<SystemLanguage>(Enum.GetName(typeof(SystemState.TitleLanguage), firstSupported));
desiredLanguageCode = SystemStateMgr.GetLanguageCode((int)newLanguage);
Logger.Info?.Print(LogClass.ServiceAm, $"Application doesn't support configured language. Using {newLanguage}");
}
context.ResponseData.Write(desiredLanguageCode);
return ResultCode.Success;
}
[CommandHipc(22)]
// SetTerminateResult(u32)
public ResultCode SetTerminateResult(ServiceCtx context)
{
Result result = new Result(context.RequestData.ReadUInt32());
Logger.Info?.Print(LogClass.ServiceAm, $"Result = 0x{result.Value:x8} ({result.ToStringWithName()}).");
return ResultCode.Success;
}
[CommandHipc(23)]
// GetDisplayVersion() -> nn::oe::DisplayVersion
public ResultCode GetDisplayVersion(ServiceCtx context)
{
// This should work as DisplayVersion U8Span always gives a 0x10 size byte array.
// If an NACP isn't found, the buffer will be all '\0' which seems to be the correct implementation.
context.ResponseData.Write(context.Device.Application.ControlData.Value.DisplayVersion);
return ResultCode.Success;
}
[CommandHipc(25)] // 3.0.0+
// ExtendSaveData(u8 save_data_type, nn::account::Uid, u64 save_size, u64 journal_size) -> u64 result_code
public ResultCode ExtendSaveData(ServiceCtx context)
{
SaveDataType saveDataType = (SaveDataType)context.RequestData.ReadUInt64();
Uid userId = context.RequestData.ReadStruct<Uid>();
ulong saveDataSize = context.RequestData.ReadUInt64();
ulong journalSize = context.RequestData.ReadUInt64();
// NOTE: Service calls nn::fs::ExtendApplicationSaveData.
// Since LibHac currently doesn't support this method, we can stub it for now.
_defaultSaveDataSize = saveDataSize;
_defaultJournalSaveDataSize = journalSize;
context.ResponseData.Write((uint)ResultCode.Success);
Logger.Stub?.PrintStub(LogClass.ServiceAm, new { saveDataType, userId, saveDataSize, journalSize });
return ResultCode.Success;
}
[CommandHipc(26)] // 3.0.0+
// GetSaveDataSize(u8 save_data_type, nn::account::Uid) -> (u64 save_size, u64 journal_size)
public ResultCode GetSaveDataSize(ServiceCtx context)
{
SaveDataType saveDataType = (SaveDataType)context.RequestData.ReadUInt64();
Uid userId = context.RequestData.ReadStruct<Uid>();
// NOTE: Service calls nn::fs::FindSaveDataWithFilter with SaveDataType = 1 hardcoded.
// Then it calls nn::fs::GetSaveDataAvailableSize and nn::fs::GetSaveDataJournalSize to get the sizes.
// Since LibHac currently doesn't support the 2 last methods, we can hardcode the values to 200mb.
context.ResponseData.Write(_defaultSaveDataSize);
context.ResponseData.Write(_defaultJournalSaveDataSize);
Logger.Stub?.PrintStub(LogClass.ServiceAm, new { saveDataType, userId });
return ResultCode.Success;
}
[CommandHipc(27)] // 5.0.0+
// CreateCacheStorage(u16 index, s64 save_size, s64 journal_size) -> (u32 storageTarget, u64 requiredSize)
public ResultCode CreateCacheStorage(ServiceCtx context)
{
ushort index = (ushort)context.RequestData.ReadUInt64();
long saveSize = context.RequestData.ReadInt64();
long journalSize = context.RequestData.ReadInt64();
// Mask out the low nibble of the program ID to get the application ID
ApplicationId applicationId = new ApplicationId(context.Device.Application.TitleId & ~0xFul);
BlitStruct<ApplicationControlProperty> controlHolder = context.Device.Application.ControlData;
Result result = _horizon.Fs.CreateApplicationCacheStorage(out long requiredSize,
out CacheStorageTargetMedia storageTarget, applicationId, ref controlHolder.Value, index, saveSize,
journalSize);
if (result.IsFailure()) return (ResultCode)result.Value;
context.ResponseData.Write((ulong)storageTarget);
context.ResponseData.Write(requiredSize);
return ResultCode.Success;
}
[CommandHipc(30)]
// BeginBlockingHomeButtonShortAndLongPressed()
public ResultCode BeginBlockingHomeButtonShortAndLongPressed(ServiceCtx context)
{
// NOTE: This set two internal fields at offsets 0x89 and 0x8B to value 1 then it signals an internal event.
Logger.Stub?.PrintStub(LogClass.ServiceAm);
return ResultCode.Success;
}
[CommandHipc(31)]
// EndBlockingHomeButtonShortAndLongPressed()
public ResultCode EndBlockingHomeButtonShortAndLongPressed(ServiceCtx context)
{
// NOTE: This set two internal fields at offsets 0x89 and 0x8B to value 0 then it signals an internal event.
Logger.Stub?.PrintStub(LogClass.ServiceAm);
return ResultCode.Success;
}
[CommandHipc(32)] // 2.0.0+
// BeginBlockingHomeButton(u64 nano_second)
public ResultCode BeginBlockingHomeButton(ServiceCtx context)
{
ulong nanoSeconds = context.RequestData.ReadUInt64();
// NOTE: This set two internal fields at offsets 0x89 to value 1 and 0x90 to value of "nanoSeconds" then it signals an internal event.
Logger.Stub?.PrintStub(LogClass.ServiceAm, new { nanoSeconds });
return ResultCode.Success;
}
[CommandHipc(33)] // 2.0.0+
// EndBlockingHomeButton()
public ResultCode EndBlockingHomeButton(ServiceCtx context)
{
// NOTE: This set two internal fields at offsets 0x89 and 0x90 to value 0 then it signals an internal event.
Logger.Stub?.PrintStub(LogClass.ServiceAm);
return ResultCode.Success;
}
[CommandHipc(40)]
// NotifyRunning() -> b8
public ResultCode NotifyRunning(ServiceCtx context)
{
context.ResponseData.Write(true);
return ResultCode.Success;
}
[CommandHipc(50)] // 2.0.0+
// GetPseudoDeviceId() -> nn::util::Uuid
public ResultCode GetPseudoDeviceId(ServiceCtx context)
{
context.ResponseData.Write(0L);
context.ResponseData.Write(0L);
Logger.Stub?.PrintStub(LogClass.ServiceAm);
return ResultCode.Success;
}
[CommandHipc(66)] // 3.0.0+
// InitializeGamePlayRecording(u64, handle<copy>)
public ResultCode InitializeGamePlayRecording(ServiceCtx context)
{
Logger.Stub?.PrintStub(LogClass.ServiceAm);
return ResultCode.Success;
}
[CommandHipc(67)] // 3.0.0+
// SetGamePlayRecordingState(u32)
public ResultCode SetGamePlayRecordingState(ServiceCtx context)
{
int state = context.RequestData.ReadInt32();
Logger.Stub?.PrintStub(LogClass.ServiceAm, new { state });
return ResultCode.Success;
}
[CommandHipc(90)] // 4.0.0+
// EnableApplicationCrashReport(u8)
public ResultCode EnableApplicationCrashReport(ServiceCtx context)
{
bool applicationCrashReportEnabled = context.RequestData.ReadBoolean();
Logger.Stub?.PrintStub(LogClass.ServiceAm, new { applicationCrashReportEnabled });
return ResultCode.Success;
}
[CommandHipc(100)] // 5.0.0+
// InitializeApplicationCopyrightFrameBuffer(s32 width, s32 height, handle<copy, transfer_memory> transfer_memory, u64 transfer_memory_size)
public ResultCode InitializeApplicationCopyrightFrameBuffer(ServiceCtx context)
{
int width = context.RequestData.ReadInt32();
int height = context.RequestData.ReadInt32();
ulong transferMemorySize = context.RequestData.ReadUInt64();
int transferMemoryHandle = context.Request.HandleDesc.ToCopy[0];
ulong transferMemoryAddress = context.Process.HandleTable.GetObject<KTransferMemory>(transferMemoryHandle).Address;
ResultCode resultCode = ResultCode.InvalidParameters;
if (((transferMemorySize & 0x3FFFF) == 0) && width <= 1280 && height <= 720)
{
resultCode = InitializeApplicationCopyrightFrameBufferImpl(transferMemoryAddress, transferMemorySize, width, height);
}
if (transferMemoryHandle != 0)
{
context.Device.System.KernelContext.Syscall.CloseHandle(transferMemoryHandle);
}
return resultCode;
}
private ResultCode InitializeApplicationCopyrightFrameBufferImpl(ulong transferMemoryAddress, ulong transferMemorySize, int width, int height)
{
if ((transferMemorySize & 0x3FFFF) != 0)
{
return ResultCode.InvalidParameters;
}
ResultCode resultCode;
// if (_copyrightBuffer == null)
{
// TODO: Initialize buffer and object.
Logger.Stub?.PrintStub(LogClass.ServiceAm, new { transferMemoryAddress, transferMemorySize, width, height });
resultCode = ResultCode.Success;
}
return resultCode;
}
[CommandHipc(101)] // 5.0.0+
// SetApplicationCopyrightImage(buffer<bytes, 0x45> frame_buffer, s32 x, s32 y, s32 width, s32 height, s32 window_origin_mode)
public ResultCode SetApplicationCopyrightImage(ServiceCtx context)
{
ulong frameBufferPos = context.Request.SendBuff[0].Position;
ulong frameBufferSize = context.Request.SendBuff[0].Size;
int x = context.RequestData.ReadInt32();
int y = context.RequestData.ReadInt32();
int width = context.RequestData.ReadInt32();
int height = context.RequestData.ReadInt32();
uint windowOriginMode = context.RequestData.ReadUInt32();
ResultCode resultCode = ResultCode.InvalidParameters;
if (((y | x) >= 0) && width >= 1 && height >= 1)
{
ResultCode result = SetApplicationCopyrightImageImpl(x, y, width, height, frameBufferPos, frameBufferSize, windowOriginMode);
if (result != ResultCode.Success)
{
resultCode = result;
}
else
{
resultCode = ResultCode.Success;
}
}
Logger.Stub?.PrintStub(LogClass.ServiceAm, new { frameBufferPos, frameBufferSize, x, y, width, height, windowOriginMode });
return resultCode;
}
private ResultCode SetApplicationCopyrightImageImpl(int x, int y, int width, int height, ulong frameBufferPos, ulong frameBufferSize, uint windowOriginMode)
{
/*
if (_copyrightBuffer == null)
{
return ResultCode.NullCopyrightObject;
}
*/
Logger.Stub?.PrintStub(LogClass.ServiceAm, new { x, y, width, height, frameBufferPos, frameBufferSize, windowOriginMode });
return ResultCode.Success;
}
[CommandHipc(102)] // 5.0.0+
// SetApplicationCopyrightVisibility(bool visible)
public ResultCode SetApplicationCopyrightVisibility(ServiceCtx context)
{
bool visible = context.RequestData.ReadBoolean();
Logger.Stub?.PrintStub(LogClass.ServiceAm, new { visible });
// NOTE: It sets an internal field and return ResultCode.Success in all case.
return ResultCode.Success;
}
[CommandHipc(110)] // 5.0.0+
// QueryApplicationPlayStatistics(buffer<bytes, 5> title_id_list) -> (buffer<bytes, 6> entries, s32 entries_count)
public ResultCode QueryApplicationPlayStatistics(ServiceCtx context)
{
// TODO: Call pdm:qry cmd 13 when IPC call between services will be implemented.
return (ResultCode)QueryPlayStatisticsManager.GetPlayStatistics(context);
}
[CommandHipc(111)] // 6.0.0+
// QueryApplicationPlayStatisticsByUid(nn::account::Uid, buffer<bytes, 5> title_id_list) -> (buffer<bytes, 6> entries, s32 entries_count)
public ResultCode QueryApplicationPlayStatisticsByUid(ServiceCtx context)
{
// TODO: Call pdm:qry cmd 16 when IPC call between services will be implemented.
return (ResultCode)QueryPlayStatisticsManager.GetPlayStatistics(context, true);
}
[CommandHipc(120)] // 5.0.0+
// ExecuteProgram(ProgramSpecifyKind kind, u64 value)
public ResultCode ExecuteProgram(ServiceCtx context)
{
ProgramSpecifyKind kind = (ProgramSpecifyKind)context.RequestData.ReadUInt32();
// padding
context.RequestData.ReadUInt32();
ulong value = context.RequestData.ReadUInt64();
Logger.Stub?.PrintStub(LogClass.ServiceAm, new { kind, value });
context.Device.UiHandler.ExecuteProgram(context.Device, kind, value);
return ResultCode.Success;
}
[CommandHipc(121)] // 5.0.0+
// ClearUserChannel()
public ResultCode ClearUserChannel(ServiceCtx context)
{
context.Device.Configuration.UserChannelPersistence.Clear();
return ResultCode.Success;
}
[CommandHipc(122)] // 5.0.0+
// UnpopToUserChannel(object<nn::am::service::IStorage> input_storage)
public ResultCode UnpopToUserChannel(ServiceCtx context)
{
AppletAE.IStorage data = GetObject<AppletAE.IStorage>(context, 0);
context.Device.Configuration.UserChannelPersistence.Push(data.Data);
return ResultCode.Success;
}
[CommandHipc(123)] // 5.0.0+
// GetPreviousProgramIndex() -> s32 program_index
public ResultCode GetPreviousProgramIndex(ServiceCtx context)
{
int previousProgramIndex = context.Device.Configuration.UserChannelPersistence.PreviousIndex;
context.ResponseData.Write(previousProgramIndex);
Logger.Stub?.PrintStub(LogClass.ServiceAm, new { previousProgramIndex });
return ResultCode.Success;
}
[CommandHipc(130)] // 8.0.0+
// GetGpuErrorDetectedSystemEvent() -> handle<copy>
public ResultCode GetGpuErrorDetectedSystemEvent(ServiceCtx context)
{
if (_gpuErrorDetectedSystemEventHandle == 0)
{
if (context.Process.HandleTable.GenerateHandle(_gpuErrorDetectedSystemEvent.ReadableEvent, out _gpuErrorDetectedSystemEventHandle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
}
context.Response.HandleDesc = IpcHandleDesc.MakeCopy(_gpuErrorDetectedSystemEventHandle);
// NOTE: This is used by "sdk" NSO during applet-application initialization.
// A separate thread is setup where event-waiting is handled.
// When the Event is signaled, official sw will assert.
return ResultCode.Success;
}
[CommandHipc(140)] // 9.0.0+
// GetFriendInvitationStorageChannelEvent() -> handle<copy>
public ResultCode GetFriendInvitationStorageChannelEvent(ServiceCtx context)
{
if (_friendInvitationStorageChannelEventHandle == 0)
{
if (context.Process.HandleTable.GenerateHandle(_friendInvitationStorageChannelEvent.ReadableEvent, out _friendInvitationStorageChannelEventHandle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
}
context.Response.HandleDesc = IpcHandleDesc.MakeCopy(_friendInvitationStorageChannelEventHandle);
return ResultCode.Success;
}
[CommandHipc(141)] // 9.0.0+
// TryPopFromFriendInvitationStorageChannel() -> object<nn::am::service::IStorage>
public ResultCode TryPopFromFriendInvitationStorageChannel(ServiceCtx context)
{
// NOTE: IStorage are pushed in the channel with IApplicationAccessor PushToFriendInvitationStorageChannel
// If _friendInvitationStorageChannelEvent is signaled, the event is cleared.
// If an IStorage is available, returns it with ResultCode.Success.
// If not, just returns ResultCode.NotAvailable. Since we don't support friend feature for now, it's fine to do the same.
Logger.Stub?.PrintStub(LogClass.ServiceAm);
return ResultCode.NotAvailable;
}
[CommandHipc(150)] // 9.0.0+
// GetNotificationStorageChannelEvent() -> handle<copy>
public ResultCode GetNotificationStorageChannelEvent(ServiceCtx context)
{
if (_notificationStorageChannelEventHandle == 0)
{
if (context.Process.HandleTable.GenerateHandle(_notificationStorageChannelEvent.ReadableEvent, out _notificationStorageChannelEventHandle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
}
context.Response.HandleDesc = IpcHandleDesc.MakeCopy(_notificationStorageChannelEventHandle);
return ResultCode.Success;
}
[CommandHipc(160)] // 9.0.0+
// GetHealthWarningDisappearedSystemEvent() -> handle<copy>
public ResultCode GetHealthWarningDisappearedSystemEvent(ServiceCtx context)
{
if (_healthWarningDisappearedSystemEventHandle == 0)
{
if (context.Process.HandleTable.GenerateHandle(_healthWarningDisappearedSystemEvent.ReadableEvent, out _healthWarningDisappearedSystemEventHandle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
}
context.Response.HandleDesc = IpcHandleDesc.MakeCopy(_healthWarningDisappearedSystemEventHandle);
return ResultCode.Success;
}
}
}