MI_LOCK_RELOCATIONS_EXCLUSIVE

VOID __stdcall MI_LOCK_RELOCATIONS_EXCLUSIVE(_ETHREAD *CurrentThread, _MI_DYNAMIC_RELOCATIONS *DynamicRelocations){
  --CurrentThread->Tcb.SpecialApcDisable;
  ExAcquirePushLockExclusiveEx((_EX_PUSH_LOCK *)DynamicRelocations + 3, 0i64);
  *((_QWORD *)DynamicRelocations + 1) = CurrentThread;
}

Referenced by:

MiCaptureSecureImageBaseAddress
MiRelocateImage
MiRelocateImageAgain