PspUnlockProcessListExclusive

VOID __stdcall PspUnlockProcessListExclusive(_ETHREAD *CurrentThread){
  char v2; 
  _ETHREAD *v3; 
  unsigned int SessionId; 
  unsigned __int8 v5; 
  int v6; 
  bool v7; 
  __int64 v8; 
  _KLOCK_ENTRY *v9; 
  int v10; 
  unsigned int v11; 
  __int64 v12; 
  UINT64 a3; 

  v2 = _InterlockedExchangeAdd64((volatile signed __int64 *)&PspActiveProcessLock, 0xFFFFFFFFFFFFFFFFui64);
  if( (v2 & 2) != 0 && (v2 & 4) == 0 )
    ExfTryToWakePushLock((_EX_PUSH_LOCK *)&PspActiveProcessLock);
  LODWORD(a3) = 0;
  v3 = (_ETHREAD *)KeGetCurrentThread();
  if( MiGetSystemRegionType((UINT64)&PspActiveProcessLock) == 1 )
    SessionId = MmGetSessionIdEx(v3->Tcb.ApcState.Process);
  else
    SessionId = -1;
  --v3->Tcb.SpecialApcDisable;
  v5 = ++v3->Tcb.AbAllocationRegionCount;
  v6 = ((char)v3->Tcb.AbEntrySummary | (char)v3->Tcb.AbOrphanedEntrySummary) ^ 0x3F;
  while( 1 )
  {
    v7 = !_BitScanReverse((unsigned int *)&v8, v6);
    if( v7 )
      break;
    v9 = &v3->Tcb.LockEntries[v8];
    v6 &= ~(1 << v8);
    if( (v9->AcquiredByte & 1) != 0
      && (v9->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 1) == 0
      && (v9->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 & 0x7FFFFFFFFFFFFFFCi64) == ((unsigned __int64)&PspActiveProcessLock & 0x7FFFFFFFFFFFFFFCi64)
      && v9->LockState.SessionId == SessionId )
    {
      v9->AcquiredByte &= ~1u;
      if( v9->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 )
      {
        if( v9 )
        {
          v9->CrossThreadReleasableAndBusyByte |= 2u;
          if( v9->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 < 0 )
            KiAbEntryRemoveFromTree(v9);
          v10 = v9->BoostBitmap.AllFields & 0x1FFFF;
          v11 = v9->BoostBitmap.AllFields & 0xFFFE0000;
          v9->ThreadLocalFlags &= ~1u;
          LODWORD(a3) = v10;
          v9->BoostBitmap.AllFields = v11;
          v9->LockState.$E8276A2CF8B819ED32D1B6FEB35D730A::_bf_0 = 0i64;
          v12 = v9 - v3->Tcb.LockEntries;
          if( v5 == 1 )
            v3->Tcb.AbEntrySummary |= 1 << v12;
          else
            _InterlockedOr8((volatile signed __int8 *)&v3->Tcb.AbOrphanedEntrySummary, 1 << v12);
          goto LABEL_16;
        }
        break;
      }
    }
  }
  if( (*(&v3->Tcb.MiscFlags + 1) & 0x10000) == 0 )
    KeBugCheckEx(0x162u, v3, &PspActiveProcessLock, (PVOID)SessionId, 0i64);
LABEL_16:
  --v3->Tcb.AbAllocationRegionCount;
  KiAbThreadRemoveBoosts(&v3->Tcb, &PspActiveProcessLock, &a3);
  v7 = v3->Tcb.SpecialApcDisable++ == -1;
  if( v7 && ($F25F8C4BA33AF922A5F1AF68CD89DDDF *)v3->Tcb.ApcState.ApcListHead[0].Flink != &v3->Tcb.152 )
    KiCheckForKernelApcDelivery();
  KiLeaveGuardedRegionUnsafe((__int64)CurrentThread);
}

Referenced by: