Revert " Revert "[Local GC] Move knowledge of overlapped I/O objects to the EE through four callbacks (#14982)""

3 files changed, 8 insertions, 0 deletions

diff --git a/src/gc/env/common.h b/src/gc/env/common.h
index 32c0d93577..1c2f75c9d6 100644
--- a/src/gc/env/common.h
+++ b/src/gc/env/common.h
@@ -16,6 +16,7 @@
 #include <stdint.h>
 #include <stddef.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <wchar.h>
 #include <assert.h>
diff --git a/src/gc/env/gcenv.base.h b/src/gc/env/gcenv.base.h
index 734b46fd3d..e1d40d6003 100644
--- a/src/gc/env/gcenv.base.h
+++ b/src/gc/env/gcenv.base.h
@@ -320,6 +320,11 @@ inline void* ALIGN_DOWN(void* ptr, size_t alignment)
     return reinterpret_cast<void*>(ALIGN_DOWN(as_size_t, alignment));
 }
 
+inline int GetRandomInt(int max)
+{
+    return rand() % max;
+}
+
 typedef struct _PROCESSOR_NUMBER {
     uint16_t Group;
     uint8_t Number;
diff --git a/src/gc/env/gcenv.ee.h b/src/gc/env/gcenv.ee.h
index d747a5bbef..44828b7551 100644
--- a/src/gc/env/gcenv.ee.h
+++ b/src/gc/env/gcenv.ee.h
@@ -80,6 +80,8 @@ public:
     static bool IsGCThread();
     static bool WasCurrentThreadCreatedByGC();
     static bool CreateThread(void (*threadStart)(void*), void* arg, bool is_suspendable, const char* name);
+    static void WalkAsyncPinnedForPromotion(Object* object, ScanContext* sc, promote_func* callback);
+    static void WalkAsyncPinned(Object* object, void* context, void(*callback)(Object*, Object*, void*));
 };
 
 #endif // __GCENV_EE_H__