Code style fixes and nits on the HLE project (#355)

* Some style fixes and nits on ITimeZoneService

* Remove some unneeded usings

* Remove the Ryujinx.HLE.OsHle.Handles namespace

* Remove hbmenu automatic load on process exit

* Rename Ns to Device, rename Os to System, rename SystemState to State

* Move Exceptions and Utilities out of OsHle

* Rename OsHle to HOS

* Rename OsHle folder to HOS

* IManagerDisplayService and ISystemDisplayService style fixes

* BsdError shouldn't be public

* Add a empty new line before using static

* Remove unused file

* Some style fixes on NPDM

* Exit gracefully when the application is closed

* Code style fixes on IGeneralService

* Add 0x prefix on values printed as hex

* Small improvements on finalization code

* Move ProcessId and ThreadId out of AThreadState

* Rename VFs to FileSystem

* FsAccessHeader shouldn't be public. Also fix file names casing

* More case changes on NPDM

* Remove unused files

* Move using to the correct place on NPDM

* Use properties on KernelAccessControlMmio

* Address PR feedback

1 files changed, 98 insertions, 0 deletions

diff --git a/Ryujinx.HLE/HOS/Kernel/KThread.cs b/Ryujinx.HLE/HOS/Kernel/KThread.cs
new file mode 100644
index 00000000..171fefc5
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Kernel/KThread.cs
@@ -0,0 +1,98 @@
+using ChocolArm64;
+using System.Collections.Generic;
+
+namespace Ryujinx.HLE.HOS.Kernel
+{
+    class KThread : KSynchronizationObject
+    {
+        public AThread Thread { get; private set; }
+
+        public int CoreMask { get; set; }
+
+        public long MutexAddress       { get; set; }
+        public long CondVarAddress     { get; set; }
+        public long ArbiterWaitAddress { get; set; }
+
+        public bool CondVarSignaled { get; set; }
+        public bool ArbiterSignaled { get; set; }
+
+        private Process Process;
+
+        public List<KThread> MutexWaiters { get; private set; }
+
+        public KThread MutexOwner { get; set; }
+
+        public int ActualPriority { get; private set; }
+        public int WantedPriority { get; private set; }
+
+        public int ActualCore  { get; set; }
+        public int ProcessorId { get; set; }
+        public int IdealCore   { get; set; }
+
+        public int WaitHandle { get; set; }
+
+        public long LastPc { get; set; }
+
+        public int ThreadId { get; private set; }
+
+        public KThread(
+            AThread Thread,
+            Process Process,
+            int     ProcessorId,
+            int     Priority,
+            int     ThreadId)
+        {
+            this.Thread      = Thread;
+            this.Process     = Process;
+            this.ProcessorId = ProcessorId;
+            this.IdealCore   = ProcessorId;
+            this.ThreadId    = ThreadId;
+
+            MutexWaiters = new List<KThread>();
+
+            CoreMask = 1 << ProcessorId;
+
+            ActualPriority = WantedPriority = Priority;
+        }
+
+        public void SetPriority(int Priority)
+        {
+            WantedPriority = Priority;
+
+            UpdatePriority();
+        }
+
+        public void UpdatePriority()
+        {
+            bool PriorityChanged;
+
+            lock (Process.ThreadSyncLock)
+            {
+                int OldPriority = ActualPriority;
+
+                int CurrPriority = WantedPriority;
+
+                foreach (KThread Thread in MutexWaiters)
+                {
+                    int WantedPriority = Thread.WantedPriority;
+
+                    if (CurrPriority > WantedPriority)
+                    {
+                        CurrPriority = WantedPriority;
+                    }
+                }
+
+                PriorityChanged = CurrPriority != OldPriority;
+
+                ActualPriority = CurrPriority;
+            }
+
+            if (PriorityChanged)
+            {
+                Process.Scheduler.Resort(this);
+
+                MutexOwner?.UpdatePriority();
+            }
+        }
+    }
+}
\ No newline at end of file