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sys: FspIoqNextPendingIrp: add BoundaryIrp parameter

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This commit is contained in:
Bill Zissimopoulos
2016-01-05 17:10:44 -08:00
parent 164b48f453
commit 9b93df1788
3 changed files with 21 additions and 7 deletions
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8
src/sys/ioq.c
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@ -107,7 +107,11 @@ static PIRP FspIoqPendingPeekNextIrp(PIO_CSQ IoCsq, PIRP Irp, PVOID PeekContext)
return FspIrpTimestamp(Irp) <= ExpirationTime ? Irp : 0;
}
else
{
if (Irp == IrpHint)
return 0;
return Irp;
}
}
_IRQL_raises_(DISPATCH_LEVEL)
@ -311,7 +315,7 @@ BOOLEAN FspIoqPostIrpEx(FSP_IOQ *Ioq, PIRP Irp, BOOLEAN CheckCapacity, NTSTATUS
return FALSE;
}
PIRP FspIoqNextPendingIrp(FSP_IOQ *Ioq, PLARGE_INTEGER Timeout)
PIRP FspIoqNextPendingIrp(FSP_IOQ *Ioq, PIRP BoundaryIrp, PLARGE_INTEGER Timeout)
{
/* timeout of 0 normally means infinite wait; for us it means do not do any wait at all! */
if (0 != Timeout)
@ -324,7 +328,7 @@ PIRP FspIoqNextPendingIrp(FSP_IOQ *Ioq, PLARGE_INTEGER Timeout)
return FspIoqTimeout;
}
FSP_IOQ_PEEK_CONTEXT PeekContext;
PeekContext.IrpHint = (PVOID)1;
PeekContext.IrpHint = 0 != BoundaryIrp ? BoundaryIrp : (PVOID)1;
PeekContext.ExpirationTime = 0;
return IoCsqRemoveNextIrp(&Ioq->PendingIoCsq, &PeekContext);
}