[WIP] Add support for events (#60)

* Add support for events, move concept of domains to IpcService

* Support waiting for KThread, remove some test code, other tweaks

* Use move handle on NIFM since I can't test that now, it's better to leave it how it was

10 files changed, 80 insertions, 163 deletions

diff --git a/Ryujinx.Core/OsHle/Handles/HDomain.cs b/Ryujinx.Core/OsHle/Handles/HDomain.cs
deleted file mode 100644
index 26c60455..00000000
--- a/Ryujinx.Core/OsHle/Handles/HDomain.cs
+++ /dev/null
@@ -1,48 +0,0 @@
-using System;
-
-namespace Ryujinx.Core.OsHle.Handles
-{
-    class HDomain : HSession, IDisposable
-    {
-        private IdDictionary Objects;
-
-        public HDomain(HSession Session) : base(Session)
-        {
-            Objects = new IdDictionary();
-        }
-
-        public int Add(object Obj)
-        {
-            return Objects.Add(Obj);
-        }
-
-        public bool Delete(int Id)
-        {
-            return Objects.Delete(Id);
-        }
-
-        public object GetObject(int Id)
-        {
-            return Objects.GetData(Id);
-        }
-
-        public void Dispose()
-        {
-            Dispose(true);
-        }
-
-        protected virtual void Dispose(bool Disposing)
-        {
-            if (Disposing)
-            {
-                foreach (object Obj in Objects)
-                {
-                    if (Obj != this && Obj is IDisposable DisposableObj)
-                    {
-                        DisposableObj.Dispose();
-                    }
-                }
-            }
-        }
-    }
-}
\ No newline at end of file
diff --git a/Ryujinx.Core/OsHle/Handles/HEvent.cs b/Ryujinx.Core/OsHle/Handles/HEvent.cs
deleted file mode 100644
index 4e881ca2..00000000
--- a/Ryujinx.Core/OsHle/Handles/HEvent.cs
+++ /dev/null
@@ -1,7 +0,0 @@
-namespace Ryujinx.Core.OsHle.Handles
-{
-    class HEvent
-    {
-
-    }
-}
\ No newline at end of file
diff --git a/Ryujinx.Core/OsHle/Handles/HSession.cs b/Ryujinx.Core/OsHle/Handles/HSession.cs
deleted file mode 100644
index f30e91f9..00000000
--- a/Ryujinx.Core/OsHle/Handles/HSession.cs
+++ /dev/null
@@ -1,29 +0,0 @@
-using Ryujinx.Core.OsHle.IpcServices;
-
-namespace Ryujinx.Core.OsHle.Handles
-{
-    class HSession
-    {
-        public IIpcService Service { get; private set; }
-
-        public bool IsInitialized { get; private set; }
-
-        public int State { get; set; }
-
-        public HSession(IIpcService Service)
-        {
-            this.Service = Service;
-        }
-
-        public HSession(HSession Session)
-        {
-            Service       = Session.Service;
-            IsInitialized = Session.IsInitialized;
-        }
-
-        public void Initialize()
-        {
-            IsInitialized = true;
-        }
-    }
-}
\ No newline at end of file
diff --git a/Ryujinx.Core/OsHle/Handles/HSessionObj.cs b/Ryujinx.Core/OsHle/Handles/HSessionObj.cs
deleted file mode 100644
index ed0530f7..00000000
--- a/Ryujinx.Core/OsHle/Handles/HSessionObj.cs
+++ /dev/null
@@ -1,30 +0,0 @@
-using System;
-
-namespace Ryujinx.Core.OsHle.Handles
-{
-    class HSessionObj : HSession, IDisposable
-    {
-        public object Obj { get; private set; }
-
-        public HSessionObj(HSession Session, object Obj) : base(Session)
-        {
-            this.Obj = Obj;
-        }
-
-        public void Dispose()
-        {
-            Dispose(true);
-        }
-
-        protected virtual void Dispose(bool Disposing)
-        {
-            if (Disposing && Obj != null)
-            {
-                if (Obj is IDisposable DisposableObj)
-                {
-                    DisposableObj.Dispose();
-                }
-            }
-        }
-    }
-}
\ No newline at end of file
diff --git a/Ryujinx.Core/OsHle/Handles/KEvent.cs b/Ryujinx.Core/OsHle/Handles/KEvent.cs
new file mode 100644
index 00000000..96ff01f7
--- /dev/null
+++ b/Ryujinx.Core/OsHle/Handles/KEvent.cs
@@ -0,0 +1,4 @@
+namespace Ryujinx.Core.OsHle.Handles
+{
+    class KEvent : KSynchronizationObject { }
+}
\ No newline at end of file
diff --git a/Ryujinx.Core/OsHle/Handles/KProcessHandleTable.cs b/Ryujinx.Core/OsHle/Handles/KProcessHandleTable.cs
index 1156e035..2c809883 100644
--- a/Ryujinx.Core/OsHle/Handles/KProcessHandleTable.cs
+++ b/Ryujinx.Core/OsHle/Handles/KProcessHandleTable.cs
@@ -1,8 +1,8 @@
-using System;
+using System.Collections.Generic;
 
 namespace Ryujinx.Core.OsHle.Handles
 {
-    class KProcessHandleTable : IDisposable
+    class KProcessHandleTable
     {
         private IdDictionary Handles;
 
@@ -21,43 +21,14 @@ namespace Ryujinx.Core.OsHle.Handles
             return Handles.GetData<T>(Handle);
         }
 
-        public bool ReplaceData(int Id, object Data)
+        public object CloseHandle(int Handle)
         {
-            return Handles.ReplaceData(Id, Data);
-        }
-
-        public bool CloseHandle(int Handle)
-        {
-            object Data = Handles.GetData(Handle);
-
-            if (Data is HTransferMem TMem)
-            {
-                TMem.Memory.Manager.Reprotect(
-                    TMem.Position,
-                    TMem.Size,
-                    TMem.Perm);
-            }
-
             return Handles.Delete(Handle);
         }
 
-        public void Dispose()
-        {
-            Dispose(true);
-        }
-
-        protected virtual void Dispose(bool Disposing)
+        public ICollection<object> Clear()
         {
-            if (Disposing)
-            {
-                foreach (object Obj in Handles)
-                {
-                    if (Obj is IDisposable DisposableObj)
-                    {
-                        DisposableObj.Dispose();
-                    }
-                }
-            }
+            return Handles.Clear();
         }
     }
 }
\ No newline at end of file
diff --git a/Ryujinx.Core/OsHle/Handles/KProcessScheduler.cs b/Ryujinx.Core/OsHle/Handles/KProcessScheduler.cs
index b1116078..95754298 100644
--- a/Ryujinx.Core/OsHle/Handles/KProcessScheduler.cs
+++ b/Ryujinx.Core/OsHle/Handles/KProcessScheduler.cs
@@ -5,15 +5,15 @@ using System.Threading;
 
 namespace Ryujinx.Core.OsHle.Handles
 {
-    public class KProcessScheduler : IDisposable
+    class KProcessScheduler : IDisposable
     {
         private class SchedulerThread : IDisposable
         {
-            public HThread Thread { get; private set; }
+            public KThread Thread { get; private set; }
 
             public AutoResetEvent WaitEvent { get; private set; }
 
-            public SchedulerThread(HThread Thread)
+            public SchedulerThread(KThread Thread)
             {
                 this.Thread = Thread;
 
@@ -95,7 +95,7 @@ namespace Ryujinx.Core.OsHle.Handles
             }
         }
 
-        private ConcurrentDictionary<HThread, SchedulerThread> AllThreads;
+        private ConcurrentDictionary<KThread, SchedulerThread> AllThreads;
 
         private ThreadQueue[] WaitingToRun;
 
@@ -105,7 +105,7 @@ namespace Ryujinx.Core.OsHle.Handles
 
         public KProcessScheduler()
         {
-            AllThreads = new ConcurrentDictionary<HThread, SchedulerThread>();
+            AllThreads = new ConcurrentDictionary<KThread, SchedulerThread>();
 
             WaitingToRun = new ThreadQueue[4];
 
@@ -119,7 +119,7 @@ namespace Ryujinx.Core.OsHle.Handles
             SchedLock = new object();
         }
 
-        public void StartThread(HThread Thread)
+        public void StartThread(KThread Thread)
         {
             lock (SchedLock)
             {
@@ -164,7 +164,7 @@ namespace Ryujinx.Core.OsHle.Handles
             }
         }
 
-        public void Resume(HThread CurrThread)
+        public void Resume(KThread CurrThread)
         {
             SchedulerThread SchedThread;
 
@@ -183,7 +183,7 @@ namespace Ryujinx.Core.OsHle.Handles
             TryResumingExecution(SchedThread);
         }
 
-        public bool WaitForSignal(HThread Thread, int Timeout = -1)
+        public bool WaitForSignal(KThread Thread, int Timeout = -1)
         {
             SchedulerThread SchedThread;
 
@@ -230,7 +230,7 @@ namespace Ryujinx.Core.OsHle.Handles
 
         private void TryResumingExecution(SchedulerThread SchedThread)
         {
-            HThread Thread = SchedThread.Thread;
+            KThread Thread = SchedThread.Thread;
 
             lock (SchedLock)
             {
@@ -249,7 +249,7 @@ namespace Ryujinx.Core.OsHle.Handles
             Logging.Debug($"{GetDbgThreadInfo(Thread)} resuming execution...");
         }
 
-        public void Yield(HThread Thread)
+        public void Yield(KThread Thread)
         {
             SchedulerThread SchedThread;
 
@@ -295,11 +295,11 @@ namespace Ryujinx.Core.OsHle.Handles
             }
         }
 
-        public void Signal(params HThread[] Threads)
+        public void Signal(params KThread[] Threads)
         {
             lock (SchedLock)
             {
-                foreach (HThread Thread in Threads)
+                foreach (KThread Thread in Threads)
                 {
                     if (AllThreads.TryGetValue(Thread, out SchedulerThread SchedThread))
                     {
@@ -314,7 +314,7 @@ namespace Ryujinx.Core.OsHle.Handles
             }
         }
 
-        private string GetDbgThreadInfo(HThread Thread)
+        private string GetDbgThreadInfo(KThread Thread)
         {
             return $"Thread {Thread.ThreadId} (core {Thread.ProcessorId}) prio {Thread.Priority}";
         }
diff --git a/Ryujinx.Core/OsHle/Handles/KSession.cs b/Ryujinx.Core/OsHle/Handles/KSession.cs
new file mode 100644
index 00000000..6934e522
--- /dev/null
+++ b/Ryujinx.Core/OsHle/Handles/KSession.cs
@@ -0,0 +1,28 @@
+using Ryujinx.Core.OsHle.IpcServices;
+using System;
+
+namespace Ryujinx.Core.OsHle.Handles
+{
+    class KSession : IDisposable
+    {
+        public IpcService Service { get; private set; }
+
+        public KSession(IpcService Service)
+        {
+            this.Service = Service;
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+        }
+
+        protected virtual void Dispose(bool Disposing)
+        {
+            if (Disposing && Service is IDisposable DisposableService)
+            {
+                DisposableService.Dispose();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Ryujinx.Core/OsHle/Handles/KSynchronizationObject.cs b/Ryujinx.Core/OsHle/Handles/KSynchronizationObject.cs
new file mode 100644
index 00000000..015b814a
--- /dev/null
+++ b/Ryujinx.Core/OsHle/Handles/KSynchronizationObject.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Threading;
+
+namespace Ryujinx.Core.OsHle.Handles
+{
+    class KSynchronizationObject : IDisposable
+    {
+        public ManualResetEvent Handle { get; private set; }
+
+        public KSynchronizationObject()
+        {
+            Handle = new ManualResetEvent(false);
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+        }
+
+        protected virtual void Dispose(bool Disposing)
+        {
+            if (Disposing)
+            {
+                Handle.Dispose();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Ryujinx.Core/OsHle/Handles/HThread.cs b/Ryujinx.Core/OsHle/Handles/KThread.cs
index c631cedc..aa1b27be 100644
--- a/Ryujinx.Core/OsHle/Handles/HThread.cs
+++ b/Ryujinx.Core/OsHle/Handles/KThread.cs
@@ -2,7 +2,7 @@ using ChocolArm64;
 
 namespace Ryujinx.Core.OsHle.Handles
 {
-    public class HThread
+    class KThread : KSynchronizationObject
     {
         public AThread Thread { get; private set; }
 
@@ -11,7 +11,7 @@ namespace Ryujinx.Core.OsHle.Handles
 
         public int ThreadId => Thread.ThreadId;
 
-        public HThread(AThread Thread, int ProcessorId, int Priority)
+        public KThread(AThread Thread, int ProcessorId, int Priority)
         {
             this.Thread      = Thread;
             this.ProcessorId = ProcessorId;