Implement thread preemption and context switching in dispatch interrupt handler

xtoskrnl/ke/schedule.cc

@@ -36,6 +36,20 @@ KE::Scheduler::InsertDeferredReadyList(IN PKTHREAD Thread)
     RTL::LifoQueue::PushEntryList(&Prcb->DeferredReadyListHead, &Thread->SwapListEntry);
 }
 
+/**
+ * Handles the expiration of the currently executing thread's time quantum.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTAPI
+VOID
+KE::Scheduler::ProcessQuantumEnd(VOID)
+{
+    UNIMPLEMENTED;
+}
+
 /**
  * Transitions a thread to the ready state and queues it for execution within the dispatcher database.
  *
@@ -74,6 +88,27 @@ KE::Scheduler::ProcessReadyThread(IN PKTHREAD Thread)
     }
 }
 
+/**
+ * Enqueues a thread into the target processor's execution queue.
+ *
+ * @param Thread
+ *        Supplies a pointer to the thread that is ready for execution.
+ *
+ * @param Prcb
+ *        Supplies a pointer to the Processor Control Block of the target core.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTFASTCALL
+VOID
+KE::Scheduler::QueueReadyThread(IN PKTHREAD Thread,
+                                IN PKPROCESSOR_CONTROL_BLOCK Prcb)
+{
+    UNIMPLEMENTED;
+}
+
 /**
  * Prepares a thread for execution by safely acquiring the dispatcher database lock.
  *