chew.h File Reference

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Functions
VOID	ChewInit (PDEVICE_OBJECT DeviceObject)
VOID	ChewShutdown (VOID)
BOOLEAN	ChewCreate (VOID(*Worker)(PVOID), PVOID WorkerContext)

Function Documentation

ChewCreate()

BOOLEAN ChewCreate	(	VOID(*)(PVOID)	Worker,
		PVOID	WorkerContext
	)

Creates and queues a work item.

Definition at line 65 of file workqueue.c.

{
    PWORK_ITEM Item;
    Item = ExAllocatePoolWithTag(NonPagedPool, 
                                 sizeof(WORK_ITEM),
                                 CHEW_TAG);

    if (Item)
    {
        Item->WorkItem = IoAllocateWorkItem(WorkQueueDevice);
        if (!Item->WorkItem)
        {
            ExFreePool(Item);
            return FALSE;
        }

        Item->Worker = Worker;
        Item->WorkerContext = WorkerContext;
        ExInterlockedInsertTailList(&WorkQueue, &Item->Entry, &WorkQueueLock);
        KeClearEvent(&WorkQueueClear);
        IoQueueWorkItem(Item->WorkItem, ChewWorkItem, DelayedWorkQueue, Item);

        return TRUE;
    }
    else
    {
        return FALSE;
    }
}

Referenced by CompleteBucket(), LanSubmitReceiveWork(), LoopTransmit(), and ProtocolStatus().

ChewInit()

VOID ChewInit

(

PDEVICE_OBJECT

DeviceObject

)

Initialize CHEW, given a device object (since IoAllocateWorkItem relies on it).

Definition at line 32 of file workqueue.c.

{
    WorkQueueDevice = DeviceObject;
    InitializeListHead(&WorkQueue);
    KeInitializeSpinLock(&WorkQueueLock);
    KeInitializeEvent(&WorkQueueClear, NotificationEvent, TRUE);
}

Referenced by DriverEntry().

ChewShutdown()

VOID ChewShutdown

(

VOID

)

Shutdown CHEW, waits for remaining work items.

Definition at line 40 of file workqueue.c.

{
    KeWaitForSingleObject(&WorkQueueClear, Executive, KernelMode, FALSE, NULL);
}

Referenced by TiUnload().