From 849af3db3b0d0c1edd3d32359be21785e3465bf2 Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Date: Mon, 19 Aug 2024 11:08:35 +0200
Subject: [IMP]

+ Add the thread header block, which contains informations about a list
  of threads inside a process.
+ Add WINDOW structure to keep track of Windows as well.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
---
 dev/ZKA/KernelKit/ProcessScheduler.hxx |  4 ++--
 dev/ZKA/Sources/MP.cxx                 | 18 +++++++++---------
 dev/ZKA/Sources/ProcessScheduler.cxx   |  4 ++--
 dev/ZKA/Sources/ThreadScheduler.cxx    | 29 ++++++++++++++++++++++++++++-
 4 files changed, 41 insertions(+), 14 deletions(-)

diff --git a/dev/ZKA/KernelKit/ProcessScheduler.hxx b/dev/ZKA/KernelKit/ProcessScheduler.hxx
index 277334cc..c74dee6a 100644
--- a/dev/ZKA/KernelKit/ProcessScheduler.hxx
+++ b/dev/ZKA/KernelKit/ProcessScheduler.hxx
@@ -28,7 +28,7 @@ namespace Kernel
 {
 	//! @brief Forward declarations.
 	struct PROCESS_HEADER_BLOCK;
-	
+
 	class PEFSharedObjectInterface;
 	class ProcessTeam;
 	class ProcessScheduler;
@@ -143,7 +143,7 @@ namespace Kernel
 		const Int32& GetExitCode() noexcept;
 
 	public:
-		Char			   Name[kProcessLen] = {"PROCESS"};
+		Char			   Name[kProcessLen] = {"PROCESS #0 (TEAM 0)"};
 		ProcessSubsystem   SubSystem{ProcessSubsystem::eProcessSubsystemInvalid};
 		ProcessLevelRing	   Selector{ProcessLevelRing::kRingStdUser};
 		HAL::StackFramePtr StackFrame{nullptr};
diff --git a/dev/ZKA/Sources/MP.cxx b/dev/ZKA/Sources/MP.cxx
index bf35f51e..da92a8c6 100644
--- a/dev/ZKA/Sources/MP.cxx
+++ b/dev/ZKA/Sources/MP.cxx
@@ -84,17 +84,17 @@ namespace Kernel
 	/// @retval false stack is invalid, previous code is running.
 	Bool HardwareThread::Switch(HAL::StackFramePtr stack)
 	{
-		if (!rt_check_stack(stack))
+		/// provide 'nullptr' to free the stack frame.
+		if (stack == nullptr)
 		{
-			/// provide 'nullptr' to free the stack frame.
-			if (stack == nullptr)
-			{
-				delete fStack;
-				fStack = nullptr;
+			delete fStack;
+			fStack = nullptr;
 
-				return true;
-			}
+			return true;
+		}
 
+		if (!rt_check_stack(stack))
+		{
 			return false;
 		}
 
@@ -125,7 +125,7 @@ namespace Kernel
 		StringView strCoreName(512);
 		strCoreName += "\\Class\\Smp\\MPClass";
 
-		cSMPCoreName.GetKey() = strCoreName;
+		cSMPCoreName.GetKey()	= strCoreName;
 		cSMPCoreName.GetValue() = (UIntPtr)this;
 
 		kcout << "newoskrnl: initializing " << strCoreName.CData() << endl;
diff --git a/dev/ZKA/Sources/ProcessScheduler.cxx b/dev/ZKA/Sources/ProcessScheduler.cxx
index a979c413..0066d70b 100644
--- a/dev/ZKA/Sources/ProcessScheduler.cxx
+++ b/dev/ZKA/Sources/ProcessScheduler.cxx
@@ -210,8 +210,8 @@ namespace Kernel
 	}
 
 	/// @brief Add process to list.
-	/// @param process
-	/// @return
+	/// @param process the process *Ref* class.
+	/// @return the process index inside the team.
 	SizeT ProcessScheduler::Add(Ref<PROCESS_HEADER_BLOCK>& process)
 	{
 		if (!process.Leak().Image)
diff --git a/dev/ZKA/Sources/ThreadScheduler.cxx b/dev/ZKA/Sources/ThreadScheduler.cxx
index fb822a68..a6dfd2b9 100644
--- a/dev/ZKA/Sources/ThreadScheduler.cxx
+++ b/dev/ZKA/Sources/ThreadScheduler.cxx
@@ -5,4 +5,31 @@
 ------------------------------------------- */
 
 #include <KernelKit/ProcessScheduler.hxx>
-#include <KernelKit/MP.hxx>
\ No newline at end of file
+#include <KernelKit/MP.hxx>
+
+namespace Kernel::Detail
+{
+    /// \brief Process thread information.
+    struct THREAD_HEADER_BLOCK final
+    {
+        STATIC constexpr SizeT cMaxLen = 256;
+
+        // Status
+        Char fName[cMaxLen] = { "THREAD #0 (PROCESS 0)" };
+
+        ProcessStatus fThreadStatus;
+
+        // Information
+        Int64 fThreadID;
+
+        // Code buffers.
+        UIntPtr fCode;
+        UIntPtr fStack;
+        UIntPtr fBSS;
+        UIntPtr fProcessheader;
+
+        // GX buffers.
+        UIntPtr fTGB;
+        UIntPtr fTGBSize;
+    };
+}
-- 
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