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111 lines
2.2 KiB
C
111 lines
2.2 KiB
C
/*
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* VideoPort driver
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*
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* Copyright (C) 2002, 2003, 2004 ReactOS Team
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; see the file COPYING.LIB.
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* If not, write to the Free Software Foundation,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#include "videoprt.h"
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/* PUBLIC FUNCTIONS ***********************************************************/
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/*
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* @implemented
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*/
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VP_STATUS NTAPI
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VideoPortCreateEvent(
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IN PVOID HwDeviceExtension,
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IN ULONG EventFlag,
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IN PVOID Unused,
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OUT PEVENT *Event)
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{
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EVENT_TYPE Type;
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(*Event) = ExAllocatePoolWithTag(
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NonPagedPool,
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sizeof(KEVENT),
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TAG_VIDEO_PORT);
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if ((*Event) == NULL)
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return ERROR_NOT_ENOUGH_MEMORY;
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if (EventFlag & NOTIFICATION_EVENT)
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Type = NotificationEvent;
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else
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Type = SynchronizationEvent;
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KeInitializeEvent((PKEVENT)*Event, Type, EventFlag & INITIAL_EVENT_SIGNALED);
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return NO_ERROR;
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}
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/*
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* @implemented
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*/
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VP_STATUS NTAPI
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VideoPortDeleteEvent(
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IN PVOID HwDeviceExtension,
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IN PEVENT Event)
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{
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ExFreePool(Event);
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return NO_ERROR;
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}
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/*
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* @implemented
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*/
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LONG NTAPI
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VideoPortSetEvent(
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IN PVOID HwDeviceExtension,
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IN PEVENT Event)
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{
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return KeSetEvent((PKEVENT)Event, IO_NO_INCREMENT, FALSE);
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}
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/*
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* @implemented
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*/
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VOID NTAPI
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VideoPortClearEvent(
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IN PVOID HwDeviceExtension,
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IN PEVENT Event)
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{
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KeClearEvent((PKEVENT)Event);
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}
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/*
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* @implemented
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*/
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VP_STATUS NTAPI
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VideoPortWaitForSingleObject(
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IN PVOID HwDeviceExtension,
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IN PVOID Object,
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IN PLARGE_INTEGER Timeout OPTIONAL)
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{
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return KeWaitForSingleObject(
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Object,
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Executive,
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KernelMode,
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FALSE,
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Timeout);
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}
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