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C++ ExAcquireResourceExclusiveLite函数代码示例

本文整理汇总了C++中ExAcquireResourceExclusiveLite函数的典型用法代码示例。如果您正苦于以下问题：C++ ExAcquireResourceExclusiveLite函数的具体用法？C++ ExAcquireResourceExclusiveLite怎么用？C++ ExAcquireResourceExclusiveLite使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了ExAcquireResourceExclusiveLite函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: VfatFlush

NTSTATUS
VfatFlush(
    PVFAT_IRP_CONTEXT IrpContext)
{
    NTSTATUS Status;
    PVFATFCB Fcb;

    /* This request is not allowed on the main device object. */
    if (IrpContext->DeviceObject == VfatGlobalData->DeviceObject)
    {
        IrpContext->Irp->IoStatus.Information = 0;
        return STATUS_INVALID_DEVICE_REQUEST;
    }

    Fcb = (PVFATFCB)IrpContext->FileObject->FsContext;
    ASSERT(Fcb);

    if (BooleanFlagOn(Fcb->Flags, FCB_IS_VOLUME))
    {
        ExAcquireResourceExclusiveLite(&IrpContext->DeviceExt->DirResource, TRUE);
        Status = VfatFlushVolume(IrpContext->DeviceExt, Fcb);
        ExReleaseResourceLite(&IrpContext->DeviceExt->DirResource);
    }
    else
    {
        ExAcquireResourceExclusiveLite(&Fcb->MainResource, TRUE);
        Status = VfatFlushFile(IrpContext->DeviceExt, Fcb);
        ExReleaseResourceLite (&Fcb->MainResource);
    }

    IrpContext->Irp->IoStatus.Information = 0;
    return Status;
}
开发者ID:Moteesh，项目名称:reactos，代码行数:33，代码来源:flush.c

示例2: TestResourceExclusiveAccess

static
VOID
TestResourceExclusiveAccess(
    IN PERESOURCE Res)
{
    LONG Count = 0;

    KeEnterCriticalRegion();
    ok_bool_true(ExAcquireResourceExclusiveLite(Res, FALSE), "ExAcquireResourceExclusiveLite returned"); ++Count;

    CheckResourceStatus(Res, TRUE, Count, 0LU, 0LU);

    ok_bool_true(ExAcquireResourceExclusiveLite(Res, TRUE), "ExAcquireResourceExclusiveLite returned"); ++Count;
    CheckResourceStatus(Res, TRUE, Count, 0LU, 0LU);

    ok_bool_true(ExAcquireResourceSharedLite(Res, FALSE), "ExAcquireResourceSharedLite returned"); ++Count;
    ok_bool_true(ExAcquireResourceSharedLite(Res, TRUE), "ExAcquireResourceSharedLite returned"); ++Count;
    ok_bool_true(ExAcquireSharedStarveExclusive(Res, FALSE), "ExAcquireSharedStarveExclusive returned"); ++Count;
    ok_bool_true(ExAcquireSharedStarveExclusive(Res, TRUE), "ExAcquireSharedStarveExclusive returned"); ++Count;
    ok_bool_true(ExAcquireSharedWaitForExclusive(Res, FALSE), "ExAcquireSharedWaitForExclusive returned"); ++Count;
    ok_bool_true(ExAcquireSharedWaitForExclusive(Res, TRUE), "ExAcquireSharedWaitForExclusive returned"); ++Count;
    CheckResourceStatus(Res, TRUE, Count, 0LU, 0LU);

    ExConvertExclusiveToSharedLite(Res);
    CheckResourceStatus(Res, FALSE, Count, 0LU, 0LU);

    while (Count--)
        ExReleaseResourceLite(Res);
    KeLeaveCriticalRegion();
}
开发者ID:mutoso-mirrors，项目名称:reactos，代码行数:30，代码来源:ExResource.c

示例3: FspFileNodeTryAcquireExclusiveF

BOOLEAN FspFileNodeTryAcquireExclusiveF(FSP_FILE_NODE *FileNode, ULONG Flags, BOOLEAN Wait)
{
    PAGED_CODE();

    FSP_FILE_NODE_GET_FLAGS();
    FSP_FILE_NODE_ASSERT_FLAGS_CLR();

    BOOLEAN Result = TRUE;

    if (Flags & FspFileNodeAcquireMain)
    {
        Result = ExAcquireResourceExclusiveLite(FileNode->Header.Resource, Wait);
        if (!Result)
            return FALSE;
    }

    if (Flags & FspFileNodeAcquirePgio)
    {
        Result = ExAcquireResourceExclusiveLite(FileNode->Header.PagingIoResource, Wait);
        if (!Result)
        {
            if (Flags & FspFileNodeAcquireMain)
                ExReleaseResourceLite(FileNode->Header.Resource);
            return FALSE;
        }
    }

    if (Result)
        FSP_FILE_NODE_SET_FLAGS();

    return Result;
}
开发者ID:LucaBongiorni，项目名称:winfsp，代码行数:32，代码来源:file.c

示例4: DokanEventRelease

NTSTATUS
DokanEventRelease(__in PDEVICE_OBJECT DeviceObject) {
  PDokanDCB dcb;
  PDokanVCB vcb;
  PDokanFCB fcb;
  PDokanCCB ccb;
  PLIST_ENTRY fcbEntry, fcbNext, fcbHead;
  PLIST_ENTRY ccbEntry, ccbNext, ccbHead;
  NTSTATUS status = STATUS_SUCCESS;

  vcb = DeviceObject->DeviceExtension;
  if (GetIdentifierType(vcb) != VCB) {
    return STATUS_INVALID_PARAMETER;
  }
  dcb = vcb->Dcb;

  // ExAcquireResourceExclusiveLite(&dcb->Resource, TRUE);
  dcb->Mounted = 0;
  // ExReleaseResourceLite(&dcb->Resource);

  // search CCB list to complete not completed Directory Notification

  KeEnterCriticalRegion();
  ExAcquireResourceExclusiveLite(&vcb->Resource, TRUE);

  fcbHead = &vcb->NextFCB;

  for (fcbEntry = fcbHead->Flink; fcbEntry != fcbHead; fcbEntry = fcbNext) {

    fcbNext = fcbEntry->Flink;
    fcb = CONTAINING_RECORD(fcbEntry, DokanFCB, NextFCB);

    ExAcquireResourceExclusiveLite(&fcb->Resource, TRUE);

    ccbHead = &fcb->NextCCB;

    for (ccbEntry = ccbHead->Flink; ccbEntry != ccbHead; ccbEntry = ccbNext) {
      ccbNext = ccbEntry->Flink;
      ccb = CONTAINING_RECORD(ccbEntry, DokanCCB, NextCCB);

      DDbgPrint("  NotifyCleanup ccb:%p, context:%X, filename:%wZ\n", ccb,
                (ULONG)ccb->UserContext, &fcb->FileName);
      FsRtlNotifyCleanup(vcb->NotifySync, &vcb->DirNotifyList, ccb);
    }
    ExReleaseResourceLite(&fcb->Resource);
  }

  ExReleaseResourceLite(&vcb->Resource);
  KeLeaveCriticalRegion();

  ReleasePendingIrp(&dcb->PendingIrp);
  ReleasePendingIrp(&dcb->PendingEvent);
  DokanStopCheckThread(dcb);
  DokanStopEventNotificationThread(dcb);

  DokanDeleteDeviceObject(dcb);

  return status;
}
开发者ID:shinyhaskett，项目名称:dokany，代码行数:59，代码来源:notification.c

示例5: DokanFreeFCB

NTSTATUS
DokanFreeFCB(
  __in PDokanFCB Fcb
  )
{
	PDokanVCB vcb;

	ASSERT(Fcb != NULL);

	vcb = Fcb->Vcb;

	KeEnterCriticalRegion();
	ExAcquireResourceExclusiveLite(&vcb->Resource, TRUE);
	ExAcquireResourceExclusiveLite(&Fcb->Resource, TRUE);

	InterlockedDecrement(&Fcb->FileCount);

	if (Fcb->FileCount == 0) {

		RemoveEntryList(&Fcb->NextFCB);

		DDbgPrint("  Free FCB:%p\n", Fcb);
		ExFreePool(Fcb->FileName.Buffer);

#if _WIN32_WINNT >= 0x0501
		FsRtlTeardownPerStreamContexts(&Fcb->AdvancedFCBHeader);
#else
		if (DokanFsRtlTeardownPerStreamContexts) {
			DokanFsRtlTeardownPerStreamContexts(&Fcb->AdvancedFCBHeader);
		}
#endif
		ExReleaseResourceLite(&Fcb->Resource);

		ExDeleteResourceLite(&Fcb->Resource);
		ExDeleteResourceLite(&Fcb->MainResource);
		ExDeleteResourceLite(&Fcb->PagingIoResource);

		InterlockedIncrement(&vcb->FcbFreed);
		ExFreePool(Fcb);

	} else {
		ExReleaseResourceLite(&Fcb->Resource);
	}

	ExReleaseResourceLite(&vcb->Resource);
	KeLeaveCriticalRegion();

	return STATUS_SUCCESS;
}
开发者ID:nmlgc，项目名称:dokany，代码行数:49，代码来源:create.c

示例6: FspFileNodeAcquireExclusiveF

VOID FspFileNodeAcquireExclusiveF(FSP_FILE_NODE *FileNode, ULONG Flags)
{
    PAGED_CODE();

    FSP_FILE_NODE_GET_FLAGS();
    FSP_FILE_NODE_ASSERT_FLAGS_CLR();

    if (Flags & FspFileNodeAcquireMain)
        ExAcquireResourceExclusiveLite(FileNode->Header.Resource, TRUE);

    if (Flags & FspFileNodeAcquirePgio)
        ExAcquireResourceExclusiveLite(FileNode->Header.PagingIoResource, TRUE);

    FSP_FILE_NODE_SET_FLAGS();
}
开发者ID:LucaBongiorni，项目名称:winfsp，代码行数:15，代码来源:file.c

示例7: FlushFcb

VOID FlushFcb(__in PDokanFCB fcb, __in_opt PFILE_OBJECT fileObject) {

  if (fcb == NULL) {
    return;
  }

  if (fcb->SectionObjectPointers.ImageSectionObject != NULL) {
    DDbgPrint("  MmFlushImageSection FileName: %wZ FileCount: %lu.\n",
              &fcb->FileName, fcb->FileCount);
    MmFlushImageSection(&fcb->SectionObjectPointers, MmFlushForWrite);
    DDbgPrint("  MmFlushImageSection done FileName: %wZ FileCount: %lu.\n",
              &fcb->FileName, fcb->FileCount);
  }

  if (fcb->SectionObjectPointers.DataSectionObject != NULL) {
    DDbgPrint("  CcFlushCache FileName: %wZ FileCount: %lu.\n", &fcb->FileName,
              fcb->FileCount);
    ExAcquireResourceExclusiveLite(&fcb->PagingIoResource, TRUE);
    CcFlushCache(&fcb->SectionObjectPointers, NULL, 0, NULL);
    CcPurgeCacheSection(&fcb->SectionObjectPointers, NULL, 0, FALSE);
    if (fileObject != NULL) {
      CcUninitializeCacheMap(fileObject, NULL, NULL);
    }
    ExReleaseResourceLite(&fcb->PagingIoResource);
    DDbgPrint("  CcFlushCache done FileName: %wZ FileCount: %lu.\n",
              &fcb->FileName, fcb->FileCount);
  }
}
开发者ID:bailey27，项目名称:dokany，代码行数:28，代码来源:fileinfo.c

示例8: DokanFreeCCB

NTSTATUS
DokanFreeCCB(
  __in PDokanCCB ccb
  )
{
	PDokanFCB fcb;

	ASSERT(ccb != NULL);
	
	fcb = ccb->Fcb;

	KeEnterCriticalRegion();
	ExAcquireResourceExclusiveLite(&fcb->Resource, TRUE);

	RemoveEntryList(&ccb->NextCCB);

	ExReleaseResourceLite(&fcb->Resource);
	KeLeaveCriticalRegion();

	ExDeleteResourceLite(&ccb->Resource);

	if (ccb->SearchPattern) {
		ExFreePool(ccb->SearchPattern);
	}

	ExFreePool(ccb);
	InterlockedIncrement(&fcb->Vcb->CcbFreed);

	return STATUS_SUCCESS;
}
开发者ID:nmlgc，项目名称:dokany，代码行数:30，代码来源:create.c

示例9: RemoveMountEntry

VOID RemoveMountEntry(PDOKAN_GLOBAL dokanGlobal, PMOUNT_ENTRY MountEntry) {
  ExAcquireResourceExclusiveLite(&dokanGlobal->Resource, TRUE);
  RemoveEntryList(&MountEntry->ListEntry);
  ExReleaseResourceLite(&dokanGlobal->Resource);

  ExFreePool(MountEntry);
}
开发者ID:MelcherSt，项目名称:dokany，代码行数:7，代码来源:init.c

示例10: Ext2FlushFiles

NTSTATUS
Ext2FlushFiles(
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb,
    IN BOOLEAN              bShutDown
)
{
    IO_STATUS_BLOCK    IoStatus;

    PEXT2_FCB       Fcb;
    PLIST_ENTRY     ListEntry;

    if (IsFlagOn(Vcb->Flags, VCB_READ_ONLY) ||
            IsFlagOn(Vcb->Flags, VCB_WRITE_PROTECTED)) {
        return STATUS_SUCCESS;
    }

    IoStatus.Status = STATUS_SUCCESS;

    DEBUG(DL_INF, ( "Flushing Files ...\n"));

    // Flush all Fcbs in Vcb list queue.
    for (ListEntry = Vcb->FcbList.Flink;
            ListEntry != &Vcb->FcbList;
            ListEntry = ListEntry->Flink ) {

        Fcb = CONTAINING_RECORD(ListEntry, EXT2_FCB, Next);
        ExAcquireResourceExclusiveLite(
            &Fcb->MainResource, TRUE);
        IoStatus.Status = Ext2FlushFile(IrpContext, Fcb, NULL);
        ExReleaseResourceLite(&Fcb->MainResource);
    }

    return IoStatus.Status;
}
开发者ID:Uroc327，项目名称:ext2fsd，代码行数:35，代码来源:flush.c

示例11: TestResourceSharedAccess

static
VOID
TestResourceSharedAccess(
    IN PERESOURCE Res)
{
    LONG Count = 0;

    KeEnterCriticalRegion();
    ok_bool_true(ExAcquireResourceSharedLite(Res, FALSE), "ExAcquireResourceSharedLite returned"); ++Count;
    CheckResourceStatus(Res, FALSE, Count, 0LU, 0LU);

    ok_bool_true(ExAcquireResourceSharedLite(Res, FALSE), "ExAcquireResourceSharedLite returned"); ++Count;
    ok_bool_true(ExAcquireResourceSharedLite(Res, TRUE), "ExAcquireResourceSharedLite returned"); ++Count;
    ok_bool_true(ExAcquireSharedStarveExclusive(Res, FALSE), "ExAcquireSharedStarveExclusive returned"); ++Count;
    ok_bool_true(ExAcquireSharedStarveExclusive(Res, TRUE), "ExAcquireSharedStarveExclusive returned"); ++Count;
    ok_bool_true(ExAcquireSharedWaitForExclusive(Res, FALSE), "ExAcquireSharedWaitForExclusive returned"); ++Count;
    ok_bool_true(ExAcquireSharedWaitForExclusive(Res, TRUE), "ExAcquireSharedWaitForExclusive returned"); ++Count;
    CheckResourceStatus(Res, FALSE, Count, 0LU, 0LU);

    /* this one fails, TRUE would deadlock */
    ok_bool_false(ExAcquireResourceExclusiveLite(Res, FALSE), "ExAcquireResourceExclusiveLite returned");
    CheckResourceStatus(Res, FALSE, Count, 0LU, 0LU);

    /* this asserts */
    if (!KmtIsCheckedBuild)
        ExConvertExclusiveToSharedLite(Res);
    CheckResourceStatus(Res, FALSE, Count, 0LU, 0LU);

    while (Count--)
        ExReleaseResourceLite(Res);
    KeLeaveCriticalRegion();
}
开发者ID:mutoso-mirrors，项目名称:reactos，代码行数:32，代码来源:ExResource.c

示例12: dc_add_password

void dc_add_password(dc_pass *pass)
{
	dsk_pass *d_pass;

	if (pass->size != 0)
	{
		KeEnterCriticalRegion();
		ExAcquireResourceExclusiveLite(&p_resource, TRUE);

		for (d_pass = f_pass; d_pass; d_pass = d_pass->next)
		{
			if (IS_EQUAL_PASS(pass, &d_pass->pass)) {
				break;
			}
		}

		if ( (d_pass == NULL) && (d_pass = mm_secure_alloc(sizeof(dsk_pass))) )
		{
			memcpy(&d_pass->pass, pass, sizeof(dc_pass));

			d_pass->next = f_pass;
			f_pass       = d_pass;
		}

		ExReleaseResourceLite(&p_resource);
		KeLeaveCriticalRegion();
	}
}
开发者ID:the-alien，项目名称:diskcryptor，代码行数:28，代码来源:mount.c

示例13: ThreadNotifyCallback

VOID
ThreadNotifyCallback (
    HANDLE  ProcessId,
    HANDLE  ThreadId,
    BOOLEAN  Create )
{
    DbgPrint ( "%s ProcessId=%x ThreadId=%x %s\n", __FUNCTION__,
        ProcessId,
        ThreadId,
        Create ? "CREATED" : "DESTROYED" );

    if ( Create ) {

        // Step #2 : Acquire the lock that protects the g_Tidxxx globals 
        // (KeEnterCriticalRegion() and ExAcquireResourceExclusiveLite())
        KeEnterCriticalRegion();
        ExAcquireResourceExclusiveLite(&g_TidLock, TRUE);

        g_TidArray[g_TidIndex] = ThreadId;
        g_TidIndex++;
        if ( g_TidIndex >= TID_ARRAY_SIZE ) {
            g_TidIndex = 0;
        }

        // Step #3 : Release the lock that protects the g_Tidxxx globals 
        // (KeLeaveCriticalRegion() and ExReleaseResourceLite())
        ExReleaseResourceLite(&g_TidLock);
        KeLeaveCriticalRegion();
    }
}
开发者ID:EternalKeel，项目名称:CodeMachineCourse，代码行数:30，代码来源:locking.c

示例14: DokanFilterCallbackAcquireForCreateSection

NTSTATUS
DokanFilterCallbackAcquireForCreateSection(__in PFS_FILTER_CALLBACK_DATA
                                               CallbackData,
                                           __out PVOID *CompletionContext) {
  PFSRTL_ADVANCED_FCB_HEADER header;
  PDokanFCB fcb = NULL;
  PDokanCCB ccb;

  UNREFERENCED_PARAMETER(CompletionContext);

  DDbgPrint("DokanFilterCallbackAcquireForCreateSection\n");

  header = CallbackData->FileObject->FsContext;
  ccb = CallbackData->FileObject->FsContext2;

  if (ccb)
    fcb = ccb->Fcb;

  if (header && header->Resource) {
    KeEnterCriticalRegion();
    ExAcquireResourceExclusiveLite(header->Resource, TRUE);
    KeLeaveCriticalRegion();
  }

  if (CallbackData->Parameters.AcquireForSectionSynchronization.SyncType !=
      SyncTypeCreateSection) {
    return STATUS_FSFILTER_OP_COMPLETED_SUCCESSFULLY;
  } else if (fcb && fcb->ShareAccess.Writers == 0) {
    return STATUS_FILE_LOCKED_WITH_ONLY_READERS;
  } else {
    return STATUS_FILE_LOCKED_WITH_WRITERS;
  }
}
开发者ID:2asoft，项目名称:dokany，代码行数:33，代码来源:dokan.c

示例15: UserEnterExclusive

VOID FASTCALL UserEnterExclusive(VOID)
{
    ASSERT_NOGDILOCKS();
    KeEnterCriticalRegion();
    ExAcquireResourceExclusiveLite(&UserLock, TRUE);
    gptiCurrent = PsGetCurrentThreadWin32Thread();
}
开发者ID:RPG-7，项目名称:reactos，代码行数:7，代码来源:ntuser.c


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