clntirp.c File Reference

#include "classp.h"

Include dependency graph for clntirp.c:

Go to the source code of this file.

Functions
VOID NTAPI	EnqueueDeferredClientIrp (PCLASS_PRIVATE_FDO_DATA FdoData, PIRP Irp)
PIRP NTAPI	DequeueDeferredClientIrp (PCLASS_PRIVATE_FDO_DATA FdoData)

Function Documentation

DequeueDeferredClientIrp()

PIRP NTAPI DequeueDeferredClientIrp

(

PCLASS_PRIVATE_FDO_DATA

FdoData

)

Definition at line 45 of file clntirp.c.

{
    KIRQL oldIrql;
    PLIST_ENTRY listEntry;
    PIRP irp;

    KeAcquireSpinLock(&FdoData->SpinLock, &oldIrql);
    if (IsListEmpty(&FdoData->DeferredClientIrpList)){
        listEntry = NULL;
    }
    else {
        listEntry = RemoveHeadList(&FdoData->DeferredClientIrpList);
    }
    KeReleaseSpinLock(&FdoData->SpinLock, oldIrql);

    if (listEntry == NULL) {
        irp = NULL;
    } else {
        irp = CONTAINING_RECORD(listEntry, IRP, Tail.Overlay.ListEntry);
        ASSERT(irp->Type == IO_TYPE_IRP);
        InitializeListHead(&irp->Tail.Overlay.ListEntry);
    }

    return irp;
}

Referenced by TransferPktComplete().

EnqueueDeferredClientIrp()

VOID NTAPI EnqueueDeferredClientIrp	(	PCLASS_PRIVATE_FDO_DATA	FdoData,
		PIRP	Irp
	)

Definition at line 31 of file clntirp.c.

{
    KIRQL oldIrql;

    KeAcquireSpinLock(&FdoData->SpinLock, &oldIrql);
    InsertTailList(&FdoData->DeferredClientIrpList, &Irp->Tail.Overlay.ListEntry);
    KeReleaseSpinLock(&FdoData->SpinLock, oldIrql);
}

Referenced by ServiceTransferRequest().