| 439 | } |
| 440 | |
| 441 | LOGICAL ExFastRefDereference( |
| 442 | _Inout_ PEX_FAST_REF_S FastRef, |
| 443 | _In_ PVOID Object |
| 444 | ) { |
| 445 | EX_FAST_REF_S OldRef, NewRef; |
| 446 | |
| 447 | while (true) { |
| 448 | OldRef = ReadForWriteAccess(FastRef); |
| 449 | if ((OldRef.Value ^ (ULONG_PTR)Object) >= MAX_FAST_REFS) { |
| 450 | return FALSE; |
| 451 | } |
| 452 | |
| 453 | NewRef.Value = OldRef.Value + 1; |
| 454 | NewRef.Object = InterlockedCompareExchangePointerRelease( |
| 455 | &FastRef->Object, |
| 456 | NewRef.Object, |
| 457 | OldRef.Object |
| 458 | ); |
| 459 | if (NewRef.Object != OldRef.Object) { |
| 460 | continue; |
| 461 | } |
| 462 | break; |
| 463 | } |
| 464 | return TRUE; |
| 465 | } |
| 466 | |
| 467 | VOID ExDereferenceCallBackBlock( |
| 468 | _Inout_ PEX_CALLBACK Callback, |
no outgoing calls
no test coverage detected