Index: /trunk/include/iprt/nt/nt.h
===================================================================
--- /trunk/include/iprt/nt/nt.h	(revision 71127)
+++ /trunk/include/iprt/nt/nt.h	(revision 71128)
@@ -1497,8 +1497,12 @@
 DECL_FORCE_INLINE(PPEB)     RTNtCurrentPeb(void) { return (PPEB)__readfsdword(RT_OFFSETOF(TEB_COMMON, ProcessEnvironmentBlock)); }
 DECL_FORCE_INLINE(uint32_t) RTNtCurrentThreadId(void) { return __readfsdword(RT_OFFSETOF(TEB_COMMON, ClientId.UniqueThread)); }
+DECL_FORCE_INLINE(NTSTATUS) RTNtLastStatusValue(void) { return (NTSTATUS)__readfsdword(RT_OFFSETOF(TEB_COMMON, LastStatusValue)); }
+DECL_FORCE_INLINE(uint32_t) RTNtLastErrorValue(void)  { return __readfsdword(RT_OFFSETOF(TEB_COMMON, LastErrorValue)); }
 # elif defined(RT_ARCH_AMD64)
 DECL_FORCE_INLINE(PTEB)     RTNtCurrentTeb(void) { return (PTEB)__readgsqword(RT_OFFSETOF(TEB_COMMON, NtTib.Self)); }
 DECL_FORCE_INLINE(PPEB)     RTNtCurrentPeb(void) { return (PPEB)__readgsqword(RT_OFFSETOF(TEB_COMMON, ProcessEnvironmentBlock)); }
-DECL_FORCE_INLINE(uint32_t) RTNtCurrentThreadId(void) { return (uint32_t)__readgsqword(RT_OFFSETOF(TEB_COMMON, ClientId.UniqueThread)); }
+DECL_FORCE_INLINE(uint32_t) RTNtCurrentThreadId(void) { return __readgsdword(RT_OFFSETOF(TEB_COMMON, ClientId.UniqueThread)); }
+DECL_FORCE_INLINE(NTSTATUS) RTNtLastStatusValue(void) { return (NTSTATUS)__readgsdword(RT_OFFSETOF(TEB_COMMON, LastStatusValue)); }
+DECL_FORCE_INLINE(uint32_t) RTNtLastErrorValue(void)  { return __readgsdword(RT_OFFSETOF(TEB_COMMON, LastErrorValue)); }
 # else
 #  error "Port me"
@@ -1508,4 +1512,6 @@
 # define RTNtCurrentPeb()        (RTNtCurrentTeb()->ProcessEnvironmentBlock)
 # define RTNtCurrentThreadId()   ((uint32_t)(uintptr_t)RTNtCurrentTeb()->ClientId.UniqueThread)
+# define RTNtLastStatusValue()   (RTNtCurrentTeb()->LastStatusValue)
+# define RTNtLastErrorValue()    (RTNtCurrentTeb()->LastErrorValue)
 #endif
 #define NtCurrentPeb()           RTNtCurrentPeb()
@@ -1543,4 +1549,8 @@
 NTSYSAPI NTSTATUS NTAPI NtOpenThread(PHANDLE, ACCESS_MASK, POBJECT_ATTRIBUTES, PCLIENT_ID);
 NTSYSAPI NTSTATUS NTAPI ZwOpenThread(PHANDLE, ACCESS_MASK, POBJECT_ATTRIBUTES, PCLIENT_ID);
+NTSYSAPI NTSTATUS NTAPI NtAlertThread(HANDLE hThread);
+#ifdef IPRT_NT_USE_WINTERNL
+NTSYSAPI NTSTATUS NTAPI ZwAlertThread(HANDLE hThread);
+#endif
 
 #ifdef IPRT_NT_USE_WINTERNL
Index: /trunk/src/VBox/Runtime/r3/win/ntdll-mini-implib.def
===================================================================
--- /trunk/src/VBox/Runtime/r3/win/ntdll-mini-implib.def	(revision 71127)
+++ /trunk/src/VBox/Runtime/r3/win/ntdll-mini-implib.def	(revision 71128)
@@ -32,4 +32,5 @@
     CsrClientCallServer                   ;;= _CsrClientCallServer@16
 
+    NtAlertThread                         ;;= _NtAlertThread@4
     NtAllocateVirtualMemory               ;;= _NtAllocateVirtualMemory@24
     NtClearEvent                          ;;= _NtClearEvent@4