SshpSetCollectionActive

NTSTATUS __stdcall SshpSetCollectionActive(PVOID BugCheckParameter2){
  char v1; 
  char v2; 
  UINT64 v4; 
  _QWORD *i; 
  INT64 v6; 
  unsigned __int8 v7; 
  int v8; 
  unsigned __int64 v9; 
  int v10; 
  _ETHREAD *CurrentThread; 
  unsigned int SessionId; 
  unsigned __int8 v13; 
  int v14; 
  _KLOCK_ENTRY *v15; 
  bool v16; 
  __int64 v17; 
  int v18; 
  unsigned int v19; 
  __int64 v20; 
  $F25F8C4BA33AF922A5F1AF68CD89DDDF *v21; 
  UINT64 a3; 
  int v24; 

  v2 = v1;
  CmpVolumeManagerLockContextListExclusive((UINT64)BugCheckParameter2);
  if( *((_BYTE *)BugCheckParameter2 + 8) != v2 )
  {
    v4 = *(_QWORD *)&KUSER_SHARED_DATA.InterruptTime.LowPart;
    for( i = (_QWORD *)*((_QWORD *)BugCheckParameter2 + 2);
          i != (_QWORD *)((char *)BugCheckParameter2 + 16);
          i = (_QWORD *)*i )
    {
      v6 = i[11];
      v7 = KeAcquireSpinLockRaiseToDpc((UINT64 *)v6);
      v8 = *(_DWORD *)(v6 + 8);
      v9 = v7;
      if( v2 )
      {
        v10 = v8 | 2;
        *(_DWORD *)(v6 + 8) = v10;
        if( (v10 & 1) == 0 )
          ++*(_DWORD *)(v6 + 112);
        *(_QWORD *)(v6 + 16) = v4;
      }
      else if( (v8 & 2) != 0 )
      {
        SshpStopBlockerAccounting(v6, v4, 1i64);
        *(_DWORD *)(v6 + 8) &= ~2u;
      }
      KxReleaseSpinLock((UINT64 *)v6);
      __writecr8(v9);
    }
    *((_BYTE *)BugCheckParameter2 + 8) = v2;
  }
  if( (_InterlockedExchangeAdd64((volatile signed __int64 *)BugCheckParameter2, 0xFFFFFFFFFFFFFFFFui64) & 6) == 2 )
    ExfTryToWakePushLock((_EX_PUSH_LOCK *)BugCheckParameter2);
  LODWORD(a3) = 0;
  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  if( MiGetSystemRegionType((UINT64)BugCheckParameter2) == 1 )
    SessionId = MmGetSessionIdEx(CurrentThread->Tcb.ApcState.Process);
  else
    SessionId = -1;
  --CurrentThread->Tcb.SpecialApcDisable;
  v13 = ++CurrentThread->Tcb.AbAllocationRegionCount;
  v14 = ((char)CurrentThread->Tcb.AbEntrySummary | (char)CurrentThread->Tcb.AbOrphanedEntrySummary) ^ 0x3F;
  while( 1 )
  {
    v16 = !_BitScanReverse((unsigned int *)&v17, v14);
    v24 = v17;
    if( v16 )
      goto LABEL_23;
    v15 = &CurrentThread->Tcb.LockEntries[v17];
    v14 &= ~(1 << v17);
    if( (v15->AcquiredByte & 1) != 0
      && (v15->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 1) == 0
      && (v15->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 0x7FFFFFFFFFFFFFFCi64) == ((unsigned __int64)BugCheckParameter2 & 0x7FFFFFFFFFFFFFFCi64)
      && v15->LockState.SessionId == SessionId )
    {
      v15->AcquiredByte &= ~1u;
      if( v15->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 )
        break;
    }
  }
  if( !v15 )
  {
LABEL_23:
    if( (*(&CurrentThread->Tcb.MiscFlags + 1) & 0x10000) == 0 )
      KeBugCheckEx(0x162u, CurrentThread, BugCheckParameter2, (PVOID)SessionId, 0i64);
    goto LABEL_30;
  }
  v15->CrossThreadReleasableAndBusyByte |= 2u;
  if( v15->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 < 0 )
    KiAbEntryRemoveFromTree(v15);
  v18 = v15->BoostBitmap.AllFields & 0x1FFFF;
  v19 = v15->BoostBitmap.AllFields & 0xFFFE0000;
  v15->ThreadLocalFlags &= ~1u;
  LODWORD(a3) = v18;
  v15->BoostBitmap.AllFields = v19;
  v15->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 = 0i64;
  v20 = v15 - CurrentThread->Tcb.LockEntries;
  if( v13 == 1 )
    CurrentThread->Tcb.AbEntrySummary |= 1 << v20;
  else
    _InterlockedOr8((volatile signed __int8 *)&CurrentThread->Tcb.AbOrphanedEntrySummary, 1 << v20);
LABEL_30:
  --CurrentThread->Tcb.AbAllocationRegionCount;
  KiAbThreadRemoveBoosts(&CurrentThread->Tcb, BugCheckParameter2, &a3);
  v16 = CurrentThread->Tcb.SpecialApcDisable++ == -1;
  if( v16 )
  {
    v21 = &CurrentThread->Tcb.152;
    if( ($F25F8C4BA33AF922A5F1AF68CD89DDDF *)v21->ApcState.ApcListHead[0].Flink != v21 )
      KiCheckForKernelApcDelivery();
  }
  return(int)v21;
}

Referenced by: