ntdll: Implement NtGetCurrentProcessorNumber.

dlls/kernel32/kernel32.spec

@@ -498,6 +498,7 @@
 @ stdcall GetCurrentDirectoryW(long ptr)
 @ stdcall GetCurrentProcess()
 @ stdcall GetCurrentProcessId()
+@ stdcall GetCurrentProcessorNumber() ntdll.NtGetCurrentProcessorNumber
 @ stdcall GetCurrentThread()
 @ stdcall GetCurrentThreadId()
 @ stdcall GetDateFormatA(long long ptr str ptr long)

dlls/ntdll/ntdll.spec

@@ -176,6 +176,7 @@
 @ stdcall NtFreeVirtualMemory(long ptr ptr long)
 @ stdcall NtFsControlFile(long long long long long long long long long long)
 @ stdcall NtGetContextThread(long ptr)
+@ stdcall NtGetCurrentProcessorNumber()
 # @ stub NtGetDevicePowerState
 @ stub NtGetPlugPlayEvent
 @ stdcall NtGetTickCount()

dlls/ntdll/thread.c

@@ -1173,3 +1173,20 @@ NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
         return STATUS_NOT_IMPLEMENTED;
     }
 }
+
+/******************************************************************************
+ * NtGetCurrentProcessorNumber (NTDLL.@)
+ *
+ * Return the processor, on which the thread is running
+ *
+ */
+ULONG WINAPI NtGetCurrentProcessorNumber(void)
+{
+
+    if (NtCurrentTeb()->Peb->NumberOfProcessors > 1) {
+        FIXME("need multicore support (%d processors)\n", NtCurrentTeb()->Peb->NumberOfProcessors);
+    }
+
+    /* fallback to the first processor */
+    return 0;
+}

include/winbase.h

@@ -1634,6 +1634,8 @@ WINADVAPI  BOOL        WINAPI GetCurrentHwProfileA(LPHW_PROFILE_INFOA);
 WINADVAPI  BOOL        WINAPI GetCurrentHwProfileW(LPHW_PROFILE_INFOW);
 #define                       GetCurrentHwProfile WINELIB_NAME_AW(GetCurrentHwProfile)
 WINBASEAPI HANDLE      WINAPI GetCurrentProcess(void);
+WINBASEAPI DWORD       WINAPI GetCurrentProcessorNumber(void);
+WINBASEAPI VOID        WINAPI GetCurrentProcessorNumberEx(PPROCESSOR_NUMBER);
 WINBASEAPI HANDLE      WINAPI GetCurrentThread(void);
 #define                       GetCurrentTime() GetTickCount()
 WINBASEAPI BOOL        WINAPI GetDefaultCommConfigA(LPCSTR,LPCOMMCONFIG,LPDWORD);

include/winnt.h

@@ -5286,6 +5286,13 @@ typedef struct _GROUP_AFFINITY
     WORD Reserved[3];
 } GROUP_AFFINITY, *PGROUP_AFFINITY;
 
+typedef struct _PROCESSOR_NUMBER
+{
+    WORD Group;
+    BYTE Number;
+    BYTE Reserved;
+} PROCESSOR_NUMBER, *PPROCESSOR_NUMBER;
+
 typedef struct _PROCESSOR_RELATIONSHIP
 {
     BYTE Flags;