Implement LIFO queue

xtoskrnl/includes/rtl.hh

@@ -18,6 +18,7 @@
 #include <rtl/dispatch.hh>
 #include <rtl/endian.hh>
 #include <rtl/guid.hh>
+#include <rtl/lifo.hh>
 #include <rtl/llist.hh>
 #include <rtl/math.hh>
 #include <rtl/memory.hh>

xtoskrnl/includes/rtl/lifo.hh

@@ -0,0 +1,31 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/includes/rtl/lifo.hh
+ * DESCRIPTION:     Last In First Out (LIFO) queue implementation
+ * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
+ */
+
+#ifndef __XTOSKRNL_RTL_LIFO_HH
+#define __XTOSKRNL_RTL_LIFO_HH
+
+#include <xtos.hh>
+
+
+/* Runtime Library */
+namespace RTL
+{
+    class LifoQueue
+    {
+        public:
+            STATIC XTFASTCALL BOOLEAN EmptyList(IN PSINGLE_LIST_ENTRY ListHead);
+            STATIC XTFASTCALL PSINGLE_LIST_ENTRY PeekEntryList(IN PSINGLE_LIST_ENTRY ListHead);
+            STATIC XTFASTCALL PSINGLE_LIST_ENTRY PopEntryList(IN OUT PSINGLE_LIST_ENTRY ListHead);
+            STATIC XTFASTCALL VOID PushEntryList(IN OUT PSINGLE_LIST_ENTRY ListHead,
+                                                 IN PSINGLE_LIST_ENTRY Entry);
+            STATIC XTFASTCALL BOOLEAN SearchEntryList(IN PSINGLE_LIST_ENTRY ListHead,
+                                                      IN PSINGLE_LIST_ENTRY Entry);
+    };
+}
+
+#endif /* __XTOSKRNL_RTL_LIFO_HH */