ADD: Open version, with important changes kept out.

Signed-off-by: Amlal <amlal.elmahrouss@icloud.com>

1 files changed, 51 insertions, 0 deletions

diff --git a/dev/Kernel/KernelKit/UserProcessScheduler.inl b/dev/Kernel/KernelKit/UserProcessScheduler.inl
new file mode 100644
index 00000000..6f1f3f4a
--- /dev/null
+++ b/dev/Kernel/KernelKit/UserProcessScheduler.inl
@@ -0,0 +1,51 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024, Amlal EL Mahrouss, all rights reserved.
+
+	FILE: UserProcessScheduler.inl
+	PURPOSE: Low level/Ring-3 Process scheduler.
+
+------------------------------------------- */
+
+namespace Kernel
+{
+	/***********************************************************************************/
+	/** @brief Free pointer from usage. */
+	/***********************************************************************************/
+
+	template <typename T>
+	Boolean UserProcess::Delete(ErrorOr<T*> ptr, const SizeT& sz)
+	{
+		if (!ptr ||
+			sz == 0)
+			return No;
+
+		ProcessMemoryHeapList* entry = this->ProcessMemoryHeap;
+
+		while (entry != nullptr)
+		{
+			if (entry->MemoryEntry == ptr.Leak().Leak())
+			{
+				this->UsedMemory -= entry->MemoryEntrySize;
+
+#ifdef __ZKA_AMD64__
+				auto pd = hal_read_cr3();
+				hal_write_cr3(this->VMRegister);
+
+				auto ret = mm_delete_heap(entry->MemoryEntry);
+
+				hal_write_cr3(pd);
+
+				return ret;
+#else
+				Bool ret = mm_delete_heap(ptr.Leak().Leak());
+				return ret;
+#endif
+			}
+
+			entry = entry->MemoryNext;
+		}
+
+		return No;
+	}
+} // namespace Kernel