1 files changed, 23 insertions, 0 deletions
diff --git a/src/gc/env/gcenv.base.h b/src/gc/env/gcenv.base.h
index 83726f4eab..97f1661b0d 100644
--- a/src/gc/env/gcenv.base.h
+++ b/src/gc/env/gcenv.base.h
@@ -176,6 +176,12 @@ typedef DWORD (WINAPI *PTHREAD_START_ROUTINE)(void* lpThreadParameter);
 
 #endif // _MSC_VER
 
+typedef struct _PROCESSOR_NUMBER {
+    uint16_t Group;
+    uint8_t Number;
+    uint8_t Reserved;
+} PROCESSOR_NUMBER, *PPROCESSOR_NUMBER;
+
 #endif // _INC_WINDOWS
 
 // -----------------------------------------------------------------------------------------------------------
@@ -600,4 +606,21 @@ public:
 };
 #endif // STRESS_HEAP
 
+class NumaNodeInfo
+{
+public:
+    static bool CanEnableGCNumaAware();
+    static void GetGroupForProcessor(uint16_t processor_number, uint16_t * group_number, uint16_t * group_processor_number);
+    static bool GetNumaProcessorNodeEx(PPROCESSOR_NUMBER proc_no, uint16_t * node_no);
+};
+
+class CPUGroupInfo
+{
+public:
+    static bool CanEnableGCCPUGroups();
+    static uint32_t GetNumActiveProcessors();
+    static void GetGroupForProcessor(uint16_t processor_number, uint16_t * group_number, uint16_t * group_processor_number);
+};
+
+
 #endif // __GCENV_BASE_INCLUDED__