Changeset 8794 in vbox for trunk/src/VBox

Timestamp:

May 13, 2008 5:43:23 PM (17 years ago)

Author:

vboxsync

Message:

started on some state machine validation (to catch a bad OFF -> GURU transition).

File:

• trunk/src/VBox/VMM/VM.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VM.cpp

@@ -2257 +2257 @@
 void vmR3SetState(PVM pVM, VMSTATE enmStateNew)
 {
+    /*
+     * Validate state machine transitions before doing the actual change.
+     */
     VMSTATE enmStateOld = pVM->enmVMState;
+    switch (enmStateOld)
+    {
+        case VMSTATE_OFF:
+            Assert(enmStateNew != VMSTATE_GURU_MEDITATION);
+            break;
+
+        default:
+            /** @todo full validation. */
+            break;
+    }
+
     pVM->enmVMState = enmStateNew;
     LogRel(("Changing the VM state from '%s' to '%s'.\n", VMR3GetStateName(enmStateOld),  VMR3GetStateName(enmStateNew)));