| 1 | //go:build windows |
| 2 | |
| 3 | package combridge |
| 4 | |
| 5 | import ( |
| 6 | "golang.org/x/sys/windows" |
| 7 | ) |
| 8 | |
| 9 | const iUnknownGUID = "{00000000-0000-0000-C000-000000000046}" |
| 10 | |
| 11 | func init() { |
| 12 | registerVTableInternal[IUnknown, IUnknown]( |
| 13 | iUnknownGUID, |
| 14 | true, |
| 15 | iUnknownQueryInterface, |
| 16 | iUnknownAddRef, |
| 17 | iUnknownRelease, |
| 18 | ) |
| 19 | } |
| 20 | |
| 21 | type IUnknown interface{} |
| 22 | |
| 23 | func iUnknownQueryInterface(this uintptr, refiid *windows.GUID, ppvObject *uintptr) uintptr { |
| 24 | if refiid == nil || ppvObject == nil { |
| 25 | return uintptr(windows.E_INVALIDARG) |
| 26 | } |
| 27 | |
| 28 | comIfcePointersL.RLock() |
| 29 | obj := comIfcePointers[this] |
| 30 | comIfcePointersL.RUnlock() |
| 31 | |
| 32 | ref := obj.queryInterface(refiid.String(), true) |
| 33 | if ref != 0 { |
| 34 | *ppvObject = ref |
| 35 | return windows.NO_ERROR |
| 36 | } |
| 37 | |
| 38 | *ppvObject = 0 |
| 39 | return uintptr(windows.E_NOINTERFACE) |
| 40 | } |
| 41 | |
| 42 | func iUnknownAddRef(this uintptr) uintptr { |
| 43 | comIfcePointersL.RLock() |
| 44 | obj := comIfcePointers[this] |
| 45 | comIfcePointersL.RUnlock() |
| 46 | |
| 47 | return uintptr(obj.addRef()) |
| 48 | } |
| 49 | |
| 50 | func iUnknownRelease(this uintptr) uintptr { |
| 51 | comIfcePointersL.RLock() |
| 52 | obj := comIfcePointers[this] |
| 53 | comIfcePointersL.RUnlock() |
| 54 | |
| 55 | return uintptr(obj.release()) |
| 56 | } |
| 57 |