[PATCH v6 1/2] ntoskrnl.exe: implement KeQueryMaximumProcessorCount/Ex.

[Etaash Mathamsetty]

From: Etaash Mathamsetty

---
 dlls/ntoskrnl.exe/ntoskrnl.c        | 16 ++++++++++++++++
 dlls/ntoskrnl.exe/ntoskrnl.exe.spec |  4 ++++
 include/winbase.h                   |  1 +
 3 files changed, 21 insertions(+)

diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index 9320e02dca9..ebf15dfc1d1 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -3414,6 +3414,22 @@ ULONG WINAPI KeGetCurrentProcessorNumberEx(PPROCESSOR_NUMBER process_number)
     return cur_number;
 }

+/***********************************************************************
+ *          KeQueryMaximumProcessorCountEx   (NTOSKRNL.EXE.@)
+ */
+ULONG WINAPI KeQueryMaximumProcessorCountEx(USHORT group_number)
+{
+    return (ULONG) GetMaximumProcessorCount(group_number);
+}
+
+/***********************************************************************
+ *          KeQueryMaximumProcessorCount   (NTOSKRNL.EXE.@)
+ */
+ULONG WINAPI KeQueryMaximumProcessorCount(void)
+{
+    return KeQueryActiveProcessorCountEx(ALL_PROCESSOR_GROUPS);
+}
+
 /***********************************************************************
  *           READ_REGISTER_BUFFER_UCHAR   (NTOSKRNL.EXE.@)
  */
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index 8f8edcac7a0..aaf7fc8ac3d 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -599,12 +599,16 @@
 @ stub KePulseEvent
 @ stdcall KeQueryActiveProcessors()
 @ stdcall KeQueryActiveProcessorCountEx(long)
+@ stdcall KeQueryActiveGroupCount() GetActiveProcessorGroupCount
 @ stdcall KeQueryInterruptTime()
 @ stdcall KeQueryPriorityThread(ptr)
 @ stub KeQueryRuntimeThread
 @ stdcall KeQuerySystemTime(ptr)
 @ stdcall KeQueryTickCount(ptr)
 @ stdcall KeQueryTimeIncrement()
+@ stdcall KeQueryMaximumGroupCount() GetMaximumProcessorGroupCount
+@ stdcall KeQueryMaximumProcessorCountEx(long)
+@ stdcall KeQueryMaximumProcessorCount()
 @ stub KeRaiseUserException
 @ stdcall KeReadStateEvent(ptr)
 @ stub KeReadStateMutant
diff --git a/include/winbase.h b/include/winbase.h
index 277f981982d..96db7540f0b 100644
--- a/include/winbase.h
+++ b/include/winbase.h
@@ -2196,6 +2196,7 @@ WINBASEAPI DWORD       WINAPI GetLongPathNameA(LPCSTR,LPSTR,DWORD);
 WINBASEAPI DWORD       WINAPI GetLongPathNameW(LPCWSTR,LPWSTR,DWORD);
 #define                       GetLongPathName WINELIB_NAME_AW(GetLongPathName)
 WINBASEAPI BOOL        WINAPI GetMailslotInfo(HANDLE,LPDWORD,LPDWORD,LPDWORD,LPDWORD);
+WINBASEAPI DWORD       WINAPI GetMaximumProcessorCount(WORD);
 WINBASEAPI DWORD       WINAPI GetModuleFileNameA(HMODULE,LPSTR,DWORD);
 WINBASEAPI DWORD       WINAPI GetModuleFileNameW(HMODULE,LPWSTR,DWORD);
 #define                       GetModuleFileName WINELIB_NAME_AW(GetModuleFileName)