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/*
Copyright (C) 2009 Red Hat, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#if (WINVER < 0x0501)
#include <ntddk.h>
#include "wdmhelper.h"
void QXLDeleteEvent(PVOID pEvent)
{
if(pEvent) {
ExFreePool(pEvent);
}
}
LONG QXLInitializeEvent(PVOID * pEvent)
{
if(pEvent) {
*pEvent = ExAllocatePoolWithTag(NonPagedPool, sizeof(KEVENT), '_lxq');
if(*pEvent) {
KeInitializeEvent((PRKEVENT)*pEvent, SynchronizationEvent, FALSE);
}
}
return 0;
}
void QXLSetEvent(PVOID pEvent)
{
//Pririty boost can be switched to IO_NO_INCREMENT
if(pEvent) {
KeSetEvent((PRKEVENT)pEvent, IO_VIDEO_INCREMENT, FALSE);
}
}
ULONG QXLWaitForEvent(PVOID pEvent, PLARGE_INTEGER Timeout)
{
if(pEvent) {
return NT_SUCCESS(KeWaitForSingleObject(pEvent, Executive, KernelMode, TRUE, Timeout));
}
return FALSE;
}
#endif
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