CInterruptSync Class Reference

Inheritance diagram for CInterruptSync:

Collaboration diagram for CInterruptSync:

Public Member Functions
STDMETHODIMP	QueryInterface (REFIID InterfaceId, PVOID *Interface)
	CInterruptSync (IUnknown *OuterUnknown)
virtual	~CInterruptSync ()
Public Member Functions inherited from CUnknownImpl< IInterruptSync >
	STDMETHODIMP_ (ULONG) AddRef()
	STDMETHODIMP_ (ULONG) Release()

Public Attributes
	IMP_IInterruptSync
KSPIN_LOCK	m_Lock
LIST_ENTRY	m_ServiceRoutines
PKINTERRUPT	m_Interrupt
INTERRUPTSYNCMODE	m_Mode
PRESOURCELIST	m_ResourceList
ULONG	m_ResourceIndex
PINTERRUPTSYNCROUTINE	m_SyncRoutine
PVOID	m_DynamicContext
NTSTATUS	m_Status

Friends
BOOLEAN NTAPI	CInterruptSynchronizedRoutine (IN PVOID ServiceContext)
BOOLEAN NTAPI	IInterruptServiceRoutine (IN PKINTERRUPT Interrupt, IN PVOID ServiceContext)

Additional Inherited Members
Protected Member Functions inherited from CUnknownImpl< IInterruptSync >
	CUnknownImpl ()
virtual	~CUnknownImpl ()

Detailed Description

Definition at line 21 of file interrupt.cpp.

Constructor & Destructor Documentation

CInterruptSync()

CInterruptSync::CInterruptSync ( IUnknown *  OuterUnknown )

inline

Definition at line 27 of file interrupt.cpp.

{}

~CInterruptSync()

virtual CInterruptSync::~CInterruptSync ( )

inlinevirtual

Definition at line 28 of file interrupt.cpp.

{}

Member Function Documentation

QueryInterface()

NTSTATUS NTAPI CInterruptSync::QueryInterface	(	REFIID	InterfaceId,
		PVOID *	Interface
	)

Definition at line 53 of file interrupt.cpp.

{
    UNICODE_STRING GuidString;
 
    DPRINT("CInterruptSync::QueryInterface: this %p\n", this);
 
    if (IsEqualGUIDAligned(refiid, IID_IInterruptSync) ||
        IsEqualGUIDAligned(refiid, IID_IUnknown))
    {
        *Output = PVOID(PUNKNOWN(this));
        PUNKNOWN(*Output)->AddRef();
        return STATUS_SUCCESS;
    }
 
    if (RtlStringFromGUID(refiid, &GuidString) == STATUS_SUCCESS)
    {
        DPRINT1("CInterruptSync::QueryInterface: no interface!!! iface %S\n", GuidString.Buffer);
        RtlFreeUnicodeString(&GuidString);
    }
 
    return STATUS_UNSUCCESSFUL;
}

Friends And Related Function Documentation

CInterruptSynchronizedRoutine

BOOLEAN NTAPI CInterruptSynchronizedRoutine ( IN PVOID  ServiceContext )

friend

Definition at line 84 of file interrupt.cpp.

{
    CInterruptSync * This = (CInterruptSync*)ServiceContext;
    This->m_Status = This->m_SyncRoutine(This, This->m_DynamicContext);
 
    DPRINT("CInterruptSynchronizedRoutine this %p SyncRoutine %p Context %p Status %x\n", This, This->m_SyncRoutine, This->m_DynamicContext, This->m_Status);
    return TRUE;
}

IInterruptServiceRoutine

BOOLEAN NTAPI IInterruptServiceRoutine ( IN PKINTERRUPT  Interrupt, IN PVOID  ServiceContext  )

friend

Definition at line 139 of file interrupt.cpp.

{
    PLIST_ENTRY CurEntry;
    PSYNC_ENTRY Entry;
    NTSTATUS Status;
    BOOL Success, Ret;
 
    CInterruptSync * This = (CInterruptSync*)ServiceContext;
 
    DPRINT("IInterruptServiceRoutine Mode %u\n", This->m_Mode);
 
    Ret = FALSE;
    if (This->m_Mode == InterruptSyncModeNormal)
    {
        CurEntry = This->m_ServiceRoutines.Flink;
        while (CurEntry != &This->m_ServiceRoutines)
        {
            Entry = CONTAINING_RECORD(CurEntry, SYNC_ENTRY, ListEntry);
            Status = Entry->SyncRoutine((CInterruptSync*)This, Entry->DynamicContext);
            if (Status == STATUS_SUCCESS)
            {
                /* Mark as handled and break on the first success */
                Ret = TRUE;
                break;
            }
            CurEntry = CurEntry->Flink;
        }
        return Ret;
    }
    else if (This->m_Mode == InterruptSyncModeAll)
    {
        CurEntry = This->m_ServiceRoutines.Flink;
        while (CurEntry != &This->m_ServiceRoutines)
        {
            Entry = CONTAINING_RECORD(CurEntry, SYNC_ENTRY, ListEntry);
            Status = Entry->SyncRoutine((CInterruptSync*)This, Entry->DynamicContext);
            if (Status == STATUS_SUCCESS)
            {
                /* Mark as handled but don't break */
                Ret = TRUE;
            }
            CurEntry = CurEntry->Flink;
        }
        return Ret;
    }
    else if (This->m_Mode == InterruptSyncModeRepeat)
    {
        do
        {
            Success = FALSE;
            CurEntry = This->m_ServiceRoutines.Flink;
            while (CurEntry != &This->m_ServiceRoutines)
            {
                Entry = CONTAINING_RECORD(CurEntry, SYNC_ENTRY, ListEntry);
                Status = Entry->SyncRoutine((CInterruptSync*)This, Entry->DynamicContext);
                if (Status == STATUS_SUCCESS)
                {
                    /* Mark as handled if it works at least once */
                    Success = TRUE;
                    Ret = TRUE;
                }
                CurEntry = CurEntry->Flink;
            }
        } while(Success);
        return Ret;
    }
    else
    {
        DPRINT("Unknown mode %u\n", This->m_Mode);
        return Ret;
    }
}

Member Data Documentation

IMP_IInterruptSync

CInterruptSync::IMP_IInterruptSync

Definition at line 26 of file interrupt.cpp.

m_DynamicContext

PVOID CInterruptSync::m_DynamicContext

Definition at line 40 of file interrupt.cpp.

m_Interrupt

PKINTERRUPT CInterruptSync::m_Interrupt

Definition at line 34 of file interrupt.cpp.

m_Lock

KSPIN_LOCK CInterruptSync::m_Lock

Definition at line 32 of file interrupt.cpp.

m_Mode

INTERRUPTSYNCMODE CInterruptSync::m_Mode

Definition at line 35 of file interrupt.cpp.

m_ResourceIndex

ULONG CInterruptSync::m_ResourceIndex

Definition at line 37 of file interrupt.cpp.

m_ResourceList

PRESOURCELIST CInterruptSync::m_ResourceList

Definition at line 36 of file interrupt.cpp.

m_ServiceRoutines

LIST_ENTRY CInterruptSync::m_ServiceRoutines

Definition at line 33 of file interrupt.cpp.

m_Status

NTSTATUS CInterruptSync::m_Status

Definition at line 41 of file interrupt.cpp.

m_SyncRoutine

PINTERRUPTSYNCROUTINE CInterruptSync::m_SyncRoutine

Definition at line 39 of file interrupt.cpp.

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The documentation for this class was generated from the following file:

• drivers/wdm/audio/backpln/portcls/interrupt.cpp