ExAcquireResourceSharedLite

NTSTATUS __fastcall ExAcquireResourceSharedLite(UINT64 a1, INT8 a2){
  unsigned __int8 v4; 
  __int16 v5; 
  unsigned __int8 CurrentIrql; 
  _ETHREAD *CurrentThread; 
  UINT8 *OwnerEntryForLegacyShim; 
  unsigned __int8 v10; 

  v4 = (a2 == 0) + 1;
  if( (*(_WORD *)(a1 + 26) & 0x41) == 1 )
    KeBugCheckEx(0x1C6u, (PVOID)0xF, (PVOID)a1, 0i64, 0i64);
  v5 = *(_WORD *)(a1 + 26) & 1;
  if( v5 )
  {
    CurrentIrql = KeGetCurrentIrql();
    CurrentThread = (_ETHREAD *)KeGetCurrentThread();
    if( CurrentIrql > v4 )
      KeBugCheckEx(0x1C6u, 0i64, (PVOID)CurrentIrql, (PVOID)v4, 0i64);
    if( CurrentIrql >= 2u && (KeGetPcr()->Prcb._bf_0 & 0x10001) != 0 )
      KeBugCheckEx(0x1C6u, (PVOID)5, 0i64, 0i64, 0i64);
    if( (CurrentThread->Tcb.ApcState.InProgressFlags & 2) != 0 )
      KeBugCheckEx(0x1C6u, (PVOID)6, 0i64, 0i64, 0i64);
    if( !CurrentIrql && (CurrentThread->Tcb._bf_0 & 0x400) == 0 && !CurrentThread->Tcb.WaitBlock[3].SpareLong )
      KeBugCheckEx(0x1C6u, (PVOID)7, 0i64, 0i64, 0i64);
  }
  if( !v5 )
    return ExpAcquireResourceSharedLite((VOID *)a1, a2);
  OwnerEntryForLegacyShim = ExpAllocateOwnerEntryForLegacyShim();
  v10 = ExAcquireFastResourceShared(a1, (ULONG_PTR)OwnerEntryForLegacyShim);
  if( !v10 )
    ExFreePoolWithTag(OwnerEntryForLegacyShim, 0);
  return v10;
}

Referenced by: