Improve kernel events implementation (#430)

* Improve kernel events implementation

* Some cleanup

* Address PR feedback

3 files changed, 12 insertions, 4 deletions

diff --git a/Ryujinx.HLE/HOS/Services/Vi/IApplicationDisplayService.cs b/Ryujinx.HLE/HOS/Services/Vi/IApplicationDisplayService.cs
index 54238279..33a1dee9 100644
--- a/Ryujinx.HLE/HOS/Services/Vi/IApplicationDisplayService.cs
+++ b/Ryujinx.HLE/HOS/Services/Vi/IApplicationDisplayService.cs
@@ -1,6 +1,8 @@
 using ChocolArm64.Memory;
 using Ryujinx.HLE.HOS.Ipc;
+using Ryujinx.HLE.HOS.Kernel;
 using System.Collections.Generic;
+using System;
 using System.IO;
 using System.Text;
 
@@ -178,7 +180,10 @@ namespace Ryujinx.HLE.HOS.Services.Vi
         {
             string Name = GetDisplayName(Context);
 
-            int Handle = Context.Process.HandleTable.OpenHandle(Context.Device.System.VsyncEvent);
+            if (Context.Process.HandleTable.GenerateHandle(Context.Device.System.VsyncEvent.ReadableEvent, out int Handle) != KernelResult.Success)
+            {
+                throw new InvalidOperationException("Out of handles!");
+            }
 
             Context.Response.HandleDesc = IpcHandleDesc.MakeCopy(Handle);
 
diff --git a/Ryujinx.HLE/HOS/Services/Vi/IHOSBinderDriver.cs b/Ryujinx.HLE/HOS/Services/Vi/IHOSBinderDriver.cs
index d47fc30a..09a37b0f 100644
--- a/Ryujinx.HLE/HOS/Services/Vi/IHOSBinderDriver.cs
+++ b/Ryujinx.HLE/HOS/Services/Vi/IHOSBinderDriver.cs
@@ -29,7 +29,7 @@ namespace Ryujinx.HLE.HOS.Services.Vi
 
             BinderEvent = new KEvent(System);
 
-            BinderEvent.Signal();
+            BinderEvent.ReadableEvent.Signal();
 
             Flinger = new NvFlinger(Renderer, BinderEvent);
         }
@@ -77,7 +77,10 @@ namespace Ryujinx.HLE.HOS.Services.Vi
             int  Id  = Context.RequestData.ReadInt32();
             uint Unk = Context.RequestData.ReadUInt32();
 
-            int Handle = Context.Process.HandleTable.OpenHandle(BinderEvent);
+            if (Context.Process.HandleTable.GenerateHandle(BinderEvent.ReadableEvent, out int Handle) != KernelResult.Success)
+            {
+                throw new InvalidOperationException("Out of handles!");
+            }
 
             Context.Response.HandleDesc = IpcHandleDesc.MakeMove(Handle);
 
diff --git a/Ryujinx.HLE/HOS/Services/Vi/NvFlinger.cs b/Ryujinx.HLE/HOS/Services/Vi/NvFlinger.cs
index dcdf5d17..c5f38211 100644
--- a/Ryujinx.HLE/HOS/Services/Vi/NvFlinger.cs
+++ b/Ryujinx.HLE/HOS/Services/Vi/NvFlinger.cs
@@ -338,7 +338,7 @@ namespace Ryujinx.HLE.HOS.Services.Android
         {
             BufferQueue[Slot].State = BufferState.Free;
 
-            BinderEvent.Signal();
+            BinderEvent.ReadableEvent.Signal();
 
             WaitBufferFree.Set();
         }