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b39297ae TS |
1 | /* |
2 | * QEMU Guest Agent win32 VSS Provider implementations | |
3 | * | |
4 | * Copyright Hitachi Data Systems Corp. 2013 | |
5 | * | |
6 | * Authors: | |
7 | * Tomoki Sekiyama <tomoki.sekiyama@hds.com> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
10 | * See the COPYING file in the top-level directory. | |
11 | */ | |
12 | ||
e55eb806 | 13 | #include "qemu/osdep.h" |
b39297ae | 14 | #include "vss-common.h" |
872b69e6 | 15 | #ifdef HAVE_VSS_SDK |
61fb0bd1 | 16 | #include <vscoordint.h> |
872b69e6 MAL |
17 | #else |
18 | #include <vsadmin.h> | |
19 | #endif | |
61fb0bd1 | 20 | #include <vsprov.h> |
b39297ae TS |
21 | |
22 | #define VSS_TIMEOUT_MSEC (60*1000) | |
23 | ||
24 | static long g_nComObjsInUse; | |
25 | HINSTANCE g_hinstDll; | |
26 | ||
27 | /* VSS common GUID's */ | |
28 | ||
29 | const CLSID CLSID_VSSCoordinator = { 0xE579AB5F, 0x1CC4, 0x44b4, | |
30 | {0xBE, 0xD9, 0xDE, 0x09, 0x91, 0xFF, 0x06, 0x23} }; | |
31 | const IID IID_IVssAdmin = { 0x77ED5996, 0x2F63, 0x11d3, | |
32 | {0x8A, 0x39, 0x00, 0xC0, 0x4F, 0x72, 0xD8, 0xE3} }; | |
33 | ||
34 | const IID IID_IVssHardwareSnapshotProvider = { 0x9593A157, 0x44E9, 0x4344, | |
35 | {0xBB, 0xEB, 0x44, 0xFB, 0xF9, 0xB0, 0x6B, 0x10} }; | |
36 | const IID IID_IVssSoftwareSnapshotProvider = { 0x609e123e, 0x2c5a, 0x44d3, | |
37 | {0x8f, 0x01, 0x0b, 0x1d, 0x9a, 0x47, 0xd1, 0xff} }; | |
38 | const IID IID_IVssProviderCreateSnapshotSet = { 0x5F894E5B, 0x1E39, 0x4778, | |
39 | {0x8E, 0x23, 0x9A, 0xBA, 0xD9, 0xF0, 0xE0, 0x8C} }; | |
40 | const IID IID_IVssProviderNotifications = { 0xE561901F, 0x03A5, 0x4afe, | |
41 | {0x86, 0xD0, 0x72, 0xBA, 0xEE, 0xCE, 0x70, 0x04} }; | |
42 | ||
43 | const IID IID_IVssEnumObject = { 0xAE1C7110, 0x2F60, 0x11d3, | |
44 | {0x8A, 0x39, 0x00, 0xC0, 0x4F, 0x72, 0xD8, 0xE3} }; | |
45 | ||
46 | ||
47 | void LockModule(BOOL lock) | |
48 | { | |
49 | if (lock) { | |
50 | InterlockedIncrement(&g_nComObjsInUse); | |
51 | } else { | |
52 | InterlockedDecrement(&g_nComObjsInUse); | |
53 | } | |
54 | } | |
55 | ||
56 | /* Empty enumerator for VssObject */ | |
57 | ||
58 | class CQGAVSSEnumObject : public IVssEnumObject | |
59 | { | |
60 | public: | |
61 | STDMETHODIMP QueryInterface(REFIID riid, void **ppObj); | |
62 | STDMETHODIMP_(ULONG) AddRef(); | |
63 | STDMETHODIMP_(ULONG) Release(); | |
64 | ||
65 | /* IVssEnumObject Methods */ | |
66 | STDMETHODIMP Next( | |
67 | ULONG celt, VSS_OBJECT_PROP *rgelt, ULONG *pceltFetched); | |
68 | STDMETHODIMP Skip(ULONG celt); | |
69 | STDMETHODIMP Reset(void); | |
70 | STDMETHODIMP Clone(IVssEnumObject **ppenum); | |
71 | ||
72 | /* CQGAVSSEnumObject Methods */ | |
73 | CQGAVSSEnumObject(); | |
74 | ~CQGAVSSEnumObject(); | |
75 | ||
76 | private: | |
77 | long m_nRefCount; | |
78 | }; | |
79 | ||
80 | CQGAVSSEnumObject::CQGAVSSEnumObject() | |
81 | { | |
82 | m_nRefCount = 0; | |
83 | LockModule(TRUE); | |
84 | } | |
85 | ||
86 | CQGAVSSEnumObject::~CQGAVSSEnumObject() | |
87 | { | |
88 | LockModule(FALSE); | |
89 | } | |
90 | ||
91 | STDMETHODIMP CQGAVSSEnumObject::QueryInterface(REFIID riid, void **ppObj) | |
92 | { | |
93 | if (riid == IID_IUnknown || riid == IID_IVssEnumObject) { | |
94 | *ppObj = static_cast<void*>(static_cast<IVssEnumObject*>(this)); | |
95 | AddRef(); | |
96 | return S_OK; | |
97 | } | |
98 | *ppObj = NULL; | |
99 | return E_NOINTERFACE; | |
100 | } | |
101 | ||
102 | STDMETHODIMP_(ULONG) CQGAVSSEnumObject::AddRef() | |
103 | { | |
104 | return InterlockedIncrement(&m_nRefCount); | |
105 | } | |
106 | ||
107 | STDMETHODIMP_(ULONG) CQGAVSSEnumObject::Release() | |
108 | { | |
109 | long nRefCount = InterlockedDecrement(&m_nRefCount); | |
110 | if (m_nRefCount == 0) { | |
111 | delete this; | |
112 | } | |
113 | return nRefCount; | |
114 | } | |
115 | ||
116 | STDMETHODIMP CQGAVSSEnumObject::Next( | |
117 | ULONG celt, VSS_OBJECT_PROP *rgelt, ULONG *pceltFetched) | |
118 | { | |
119 | *pceltFetched = 0; | |
120 | return S_FALSE; | |
121 | } | |
122 | ||
123 | STDMETHODIMP CQGAVSSEnumObject::Skip(ULONG celt) | |
124 | { | |
125 | return S_FALSE; | |
126 | } | |
127 | ||
128 | STDMETHODIMP CQGAVSSEnumObject::Reset(void) | |
129 | { | |
130 | return S_OK; | |
131 | } | |
132 | ||
133 | STDMETHODIMP CQGAVSSEnumObject::Clone(IVssEnumObject **ppenum) | |
134 | { | |
135 | return E_NOTIMPL; | |
136 | } | |
137 | ||
138 | ||
139 | /* QGAVssProvider */ | |
140 | ||
141 | class CQGAVssProvider : | |
142 | public IVssSoftwareSnapshotProvider, | |
143 | public IVssProviderCreateSnapshotSet, | |
144 | public IVssProviderNotifications | |
145 | { | |
146 | public: | |
147 | STDMETHODIMP QueryInterface(REFIID riid, void **ppObj); | |
148 | STDMETHODIMP_(ULONG) AddRef(); | |
149 | STDMETHODIMP_(ULONG) Release(); | |
150 | ||
151 | /* IVssSoftwareSnapshotProvider Methods */ | |
152 | STDMETHODIMP SetContext(LONG lContext); | |
153 | STDMETHODIMP GetSnapshotProperties( | |
154 | VSS_ID SnapshotId, VSS_SNAPSHOT_PROP *pProp); | |
155 | STDMETHODIMP Query( | |
156 | VSS_ID QueriedObjectId, VSS_OBJECT_TYPE eQueriedObjectType, | |
157 | VSS_OBJECT_TYPE eReturnedObjectsType, IVssEnumObject **ppEnum); | |
158 | STDMETHODIMP DeleteSnapshots( | |
159 | VSS_ID SourceObjectId, VSS_OBJECT_TYPE eSourceObjectType, | |
160 | BOOL bForceDelete, LONG *plDeletedSnapshots, | |
161 | VSS_ID *pNondeletedSnapshotID); | |
162 | STDMETHODIMP BeginPrepareSnapshot( | |
163 | VSS_ID SnapshotSetId, VSS_ID SnapshotId, | |
164 | VSS_PWSZ pwszVolumeName, LONG lNewContext); | |
165 | STDMETHODIMP IsVolumeSupported( | |
166 | VSS_PWSZ pwszVolumeName, BOOL *pbSupportedByThisProvider); | |
167 | STDMETHODIMP IsVolumeSnapshotted( | |
168 | VSS_PWSZ pwszVolumeName, BOOL *pbSnapshotsPresent, | |
169 | LONG *plSnapshotCompatibility); | |
170 | STDMETHODIMP SetSnapshotProperty( | |
171 | VSS_ID SnapshotId, VSS_SNAPSHOT_PROPERTY_ID eSnapshotPropertyId, | |
172 | VARIANT vProperty); | |
173 | STDMETHODIMP RevertToSnapshot(VSS_ID SnapshotId); | |
174 | STDMETHODIMP QueryRevertStatus(VSS_PWSZ pwszVolume, IVssAsync **ppAsync); | |
175 | ||
176 | /* IVssProviderCreateSnapshotSet Methods */ | |
177 | STDMETHODIMP EndPrepareSnapshots(VSS_ID SnapshotSetId); | |
178 | STDMETHODIMP PreCommitSnapshots(VSS_ID SnapshotSetId); | |
179 | STDMETHODIMP CommitSnapshots(VSS_ID SnapshotSetId); | |
180 | STDMETHODIMP PostCommitSnapshots( | |
181 | VSS_ID SnapshotSetId, LONG lSnapshotsCount); | |
182 | STDMETHODIMP PreFinalCommitSnapshots(VSS_ID SnapshotSetId); | |
183 | STDMETHODIMP PostFinalCommitSnapshots(VSS_ID SnapshotSetId); | |
184 | STDMETHODIMP AbortSnapshots(VSS_ID SnapshotSetId); | |
185 | ||
186 | /* IVssProviderNotifications Methods */ | |
187 | STDMETHODIMP OnLoad(IUnknown *pCallback); | |
188 | STDMETHODIMP OnUnload(BOOL bForceUnload); | |
189 | ||
190 | /* CQGAVssProvider Methods */ | |
191 | CQGAVssProvider(); | |
192 | ~CQGAVssProvider(); | |
193 | ||
194 | private: | |
195 | long m_nRefCount; | |
196 | }; | |
197 | ||
198 | CQGAVssProvider::CQGAVssProvider() | |
199 | { | |
200 | m_nRefCount = 0; | |
201 | LockModule(TRUE); | |
202 | } | |
203 | ||
204 | CQGAVssProvider::~CQGAVssProvider() | |
205 | { | |
206 | LockModule(FALSE); | |
207 | } | |
208 | ||
209 | STDMETHODIMP CQGAVssProvider::QueryInterface(REFIID riid, void **ppObj) | |
210 | { | |
211 | if (riid == IID_IUnknown) { | |
212 | *ppObj = static_cast<void*>(this); | |
213 | AddRef(); | |
214 | return S_OK; | |
215 | } | |
216 | if (riid == IID_IVssSoftwareSnapshotProvider) { | |
217 | *ppObj = static_cast<void*>( | |
218 | static_cast<IVssSoftwareSnapshotProvider*>(this)); | |
219 | AddRef(); | |
220 | return S_OK; | |
221 | } | |
222 | if (riid == IID_IVssProviderCreateSnapshotSet) { | |
223 | *ppObj = static_cast<void*>( | |
224 | static_cast<IVssProviderCreateSnapshotSet*>(this)); | |
225 | AddRef(); | |
226 | return S_OK; | |
227 | } | |
228 | if (riid == IID_IVssProviderNotifications) { | |
229 | *ppObj = static_cast<void*>( | |
230 | static_cast<IVssProviderNotifications*>(this)); | |
231 | AddRef(); | |
232 | return S_OK; | |
233 | } | |
234 | *ppObj = NULL; | |
235 | return E_NOINTERFACE; | |
236 | } | |
237 | ||
238 | STDMETHODIMP_(ULONG) CQGAVssProvider::AddRef() | |
239 | { | |
240 | return InterlockedIncrement(&m_nRefCount); | |
241 | } | |
242 | ||
243 | STDMETHODIMP_(ULONG) CQGAVssProvider::Release() | |
244 | { | |
245 | long nRefCount = InterlockedDecrement(&m_nRefCount); | |
246 | if (m_nRefCount == 0) { | |
247 | delete this; | |
248 | } | |
249 | return nRefCount; | |
250 | } | |
251 | ||
252 | ||
253 | /* | |
254 | * IVssSoftwareSnapshotProvider methods | |
255 | */ | |
256 | ||
257 | STDMETHODIMP CQGAVssProvider::SetContext(LONG lContext) | |
258 | { | |
259 | return S_OK; | |
260 | } | |
261 | ||
262 | STDMETHODIMP CQGAVssProvider::GetSnapshotProperties( | |
263 | VSS_ID SnapshotId, VSS_SNAPSHOT_PROP *pProp) | |
264 | { | |
265 | return VSS_E_OBJECT_NOT_FOUND; | |
266 | } | |
267 | ||
268 | STDMETHODIMP CQGAVssProvider::Query( | |
269 | VSS_ID QueriedObjectId, VSS_OBJECT_TYPE eQueriedObjectType, | |
270 | VSS_OBJECT_TYPE eReturnedObjectsType, IVssEnumObject **ppEnum) | |
271 | { | |
272 | try { | |
273 | *ppEnum = new CQGAVSSEnumObject; | |
274 | } catch (...) { | |
275 | return E_OUTOFMEMORY; | |
276 | } | |
277 | (*ppEnum)->AddRef(); | |
278 | return S_OK; | |
279 | } | |
280 | ||
281 | STDMETHODIMP CQGAVssProvider::DeleteSnapshots( | |
282 | VSS_ID SourceObjectId, VSS_OBJECT_TYPE eSourceObjectType, | |
283 | BOOL bForceDelete, LONG *plDeletedSnapshots, VSS_ID *pNondeletedSnapshotID) | |
284 | { | |
d9e1f574 TS |
285 | *plDeletedSnapshots = 0; |
286 | *pNondeletedSnapshotID = SourceObjectId; | |
287 | return S_OK; | |
b39297ae TS |
288 | } |
289 | ||
290 | STDMETHODIMP CQGAVssProvider::BeginPrepareSnapshot( | |
291 | VSS_ID SnapshotSetId, VSS_ID SnapshotId, | |
292 | VSS_PWSZ pwszVolumeName, LONG lNewContext) | |
293 | { | |
294 | return S_OK; | |
295 | } | |
296 | ||
297 | STDMETHODIMP CQGAVssProvider::IsVolumeSupported( | |
298 | VSS_PWSZ pwszVolumeName, BOOL *pbSupportedByThisProvider) | |
299 | { | |
ff8adbcf | 300 | HANDLE hEventFrozen; |
b39297ae | 301 | |
ff8adbcf TS |
302 | /* Check if a requester is qemu-ga by whether an event is created */ |
303 | hEventFrozen = OpenEvent(EVENT_ALL_ACCESS, FALSE, EVENT_NAME_FROZEN); | |
304 | if (!hEventFrozen) { | |
305 | *pbSupportedByThisProvider = FALSE; | |
306 | return S_OK; | |
307 | } | |
308 | CloseHandle(hEventFrozen); | |
309 | ||
310 | *pbSupportedByThisProvider = TRUE; | |
b39297ae TS |
311 | return S_OK; |
312 | } | |
313 | ||
314 | STDMETHODIMP CQGAVssProvider::IsVolumeSnapshotted(VSS_PWSZ pwszVolumeName, | |
315 | BOOL *pbSnapshotsPresent, LONG *plSnapshotCompatibility) | |
316 | { | |
317 | *pbSnapshotsPresent = FALSE; | |
318 | *plSnapshotCompatibility = 0; | |
319 | return S_OK; | |
320 | } | |
321 | ||
322 | STDMETHODIMP CQGAVssProvider::SetSnapshotProperty(VSS_ID SnapshotId, | |
323 | VSS_SNAPSHOT_PROPERTY_ID eSnapshotPropertyId, VARIANT vProperty) | |
324 | { | |
325 | return E_NOTIMPL; | |
326 | } | |
327 | ||
328 | STDMETHODIMP CQGAVssProvider::RevertToSnapshot(VSS_ID SnapshotId) | |
329 | { | |
330 | return E_NOTIMPL; | |
331 | } | |
332 | ||
333 | STDMETHODIMP CQGAVssProvider::QueryRevertStatus( | |
334 | VSS_PWSZ pwszVolume, IVssAsync **ppAsync) | |
335 | { | |
336 | return E_NOTIMPL; | |
337 | } | |
338 | ||
339 | ||
340 | /* | |
341 | * IVssProviderCreateSnapshotSet methods | |
342 | */ | |
343 | ||
344 | STDMETHODIMP CQGAVssProvider::EndPrepareSnapshots(VSS_ID SnapshotSetId) | |
345 | { | |
346 | return S_OK; | |
347 | } | |
348 | ||
349 | STDMETHODIMP CQGAVssProvider::PreCommitSnapshots(VSS_ID SnapshotSetId) | |
350 | { | |
351 | return S_OK; | |
352 | } | |
353 | ||
354 | STDMETHODIMP CQGAVssProvider::CommitSnapshots(VSS_ID SnapshotSetId) | |
355 | { | |
356 | HRESULT hr = S_OK; | |
357 | HANDLE hEventFrozen, hEventThaw, hEventTimeout; | |
358 | ||
359 | hEventFrozen = OpenEvent(EVENT_ALL_ACCESS, FALSE, EVENT_NAME_FROZEN); | |
4c1b8f1e | 360 | if (!hEventFrozen) { |
b39297ae TS |
361 | return E_FAIL; |
362 | } | |
363 | ||
364 | hEventThaw = OpenEvent(EVENT_ALL_ACCESS, FALSE, EVENT_NAME_THAW); | |
4c1b8f1e | 365 | if (!hEventThaw) { |
b39297ae TS |
366 | CloseHandle(hEventFrozen); |
367 | return E_FAIL; | |
368 | } | |
369 | ||
370 | hEventTimeout = OpenEvent(EVENT_ALL_ACCESS, FALSE, EVENT_NAME_TIMEOUT); | |
4c1b8f1e | 371 | if (!hEventTimeout) { |
b39297ae TS |
372 | CloseHandle(hEventFrozen); |
373 | CloseHandle(hEventThaw); | |
374 | return E_FAIL; | |
375 | } | |
376 | ||
377 | /* Send event to qemu-ga to notify filesystem is frozen */ | |
378 | SetEvent(hEventFrozen); | |
379 | ||
380 | /* Wait until the snapshot is taken by the host. */ | |
381 | if (WaitForSingleObject(hEventThaw, VSS_TIMEOUT_MSEC) != WAIT_OBJECT_0) { | |
382 | /* Send event to qemu-ga to notify the provider is timed out */ | |
383 | SetEvent(hEventTimeout); | |
b39297ae TS |
384 | } |
385 | ||
386 | CloseHandle(hEventThaw); | |
387 | CloseHandle(hEventFrozen); | |
388 | CloseHandle(hEventTimeout); | |
389 | return hr; | |
390 | } | |
391 | ||
392 | STDMETHODIMP CQGAVssProvider::PostCommitSnapshots( | |
393 | VSS_ID SnapshotSetId, LONG lSnapshotsCount) | |
394 | { | |
395 | return S_OK; | |
396 | } | |
397 | ||
398 | STDMETHODIMP CQGAVssProvider::PreFinalCommitSnapshots(VSS_ID SnapshotSetId) | |
399 | { | |
400 | return S_OK; | |
401 | } | |
402 | ||
403 | STDMETHODIMP CQGAVssProvider::PostFinalCommitSnapshots(VSS_ID SnapshotSetId) | |
404 | { | |
405 | return S_OK; | |
406 | } | |
407 | ||
408 | STDMETHODIMP CQGAVssProvider::AbortSnapshots(VSS_ID SnapshotSetId) | |
409 | { | |
410 | return S_OK; | |
411 | } | |
412 | ||
413 | /* | |
414 | * IVssProviderNotifications methods | |
415 | */ | |
416 | ||
417 | STDMETHODIMP CQGAVssProvider::OnLoad(IUnknown *pCallback) | |
418 | { | |
419 | return S_OK; | |
420 | } | |
421 | ||
422 | STDMETHODIMP CQGAVssProvider::OnUnload(BOOL bForceUnload) | |
423 | { | |
424 | return S_OK; | |
425 | } | |
426 | ||
427 | ||
428 | /* | |
429 | * CQGAVssProviderFactory class | |
430 | */ | |
431 | ||
432 | class CQGAVssProviderFactory : public IClassFactory | |
433 | { | |
434 | public: | |
435 | STDMETHODIMP QueryInterface(REFIID riid, void **ppv); | |
436 | STDMETHODIMP_(ULONG) AddRef(); | |
437 | STDMETHODIMP_(ULONG) Release(); | |
438 | STDMETHODIMP CreateInstance( | |
439 | IUnknown *pUnknownOuter, REFIID iid, void **ppv); | |
440 | STDMETHODIMP LockServer(BOOL lock) { return E_NOTIMPL; } | |
441 | ||
442 | CQGAVssProviderFactory(); | |
443 | ~CQGAVssProviderFactory(); | |
444 | ||
445 | private: | |
446 | long m_nRefCount; | |
447 | }; | |
448 | ||
449 | CQGAVssProviderFactory::CQGAVssProviderFactory() | |
450 | { | |
451 | m_nRefCount = 0; | |
452 | LockModule(TRUE); | |
453 | } | |
454 | ||
455 | CQGAVssProviderFactory::~CQGAVssProviderFactory() | |
456 | { | |
457 | LockModule(FALSE); | |
458 | } | |
459 | ||
460 | STDMETHODIMP CQGAVssProviderFactory::QueryInterface(REFIID riid, void **ppv) | |
461 | { | |
462 | if (riid == IID_IUnknown || riid == IID_IClassFactory) { | |
463 | *ppv = static_cast<void*>(this); | |
464 | AddRef(); | |
465 | return S_OK; | |
466 | } | |
467 | *ppv = NULL; | |
468 | return E_NOINTERFACE; | |
469 | } | |
470 | ||
471 | STDMETHODIMP_(ULONG) CQGAVssProviderFactory::AddRef() | |
472 | { | |
473 | return InterlockedIncrement(&m_nRefCount); | |
474 | } | |
475 | ||
476 | STDMETHODIMP_(ULONG) CQGAVssProviderFactory::Release() | |
477 | { | |
478 | long nRefCount = InterlockedDecrement(&m_nRefCount); | |
479 | if (m_nRefCount == 0) { | |
480 | delete this; | |
481 | } | |
482 | return nRefCount; | |
483 | } | |
484 | ||
485 | STDMETHODIMP CQGAVssProviderFactory::CreateInstance( | |
486 | IUnknown *pUnknownOuter, REFIID iid, void **ppv) | |
487 | { | |
488 | CQGAVssProvider *pObj; | |
489 | ||
490 | if (pUnknownOuter) { | |
491 | return CLASS_E_NOAGGREGATION; | |
492 | } | |
493 | try { | |
494 | pObj = new CQGAVssProvider; | |
495 | } catch (...) { | |
496 | return E_OUTOFMEMORY; | |
497 | } | |
498 | HRESULT hr = pObj->QueryInterface(iid, ppv); | |
499 | if (FAILED(hr)) { | |
500 | delete pObj; | |
501 | } | |
502 | return hr; | |
503 | } | |
504 | ||
505 | ||
506 | /* | |
507 | * DLL functions | |
508 | */ | |
509 | ||
510 | STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv) | |
511 | { | |
512 | CQGAVssProviderFactory *factory; | |
513 | try { | |
514 | factory = new CQGAVssProviderFactory; | |
515 | } catch (...) { | |
516 | return E_OUTOFMEMORY; | |
517 | } | |
518 | factory->AddRef(); | |
519 | HRESULT hr = factory->QueryInterface(riid, ppv); | |
520 | factory->Release(); | |
521 | return hr; | |
522 | } | |
523 | ||
524 | STDAPI DllCanUnloadNow() | |
525 | { | |
526 | return g_nComObjsInUse == 0 ? S_OK : S_FALSE; | |
527 | } | |
528 | ||
529 | EXTERN_C | |
530 | BOOL WINAPI DllMain(HINSTANCE hinstDll, DWORD dwReason, LPVOID lpReserved) | |
531 | { | |
532 | if (dwReason == DLL_PROCESS_ATTACH) { | |
533 | g_hinstDll = hinstDll; | |
534 | DisableThreadLibraryCalls(hinstDll); | |
535 | } | |
536 | return TRUE; | |
537 | } |