*/
VP_STATUS
NTAPI
-VideoPortCreateEvent(IN PVOID HwDeviceExtension,
- IN ULONG EventFlag,
- IN PVOID Unused,
- OUT PEVENT *Event)
+VideoPortCreateEvent(
+ _In_ PVOID HwDeviceExtension,
+ _In_ ULONG EventFlag,
+ _In_ PVOID Unused,
+ _Out_ PEVENT* pEvent)
{
VP_STATUS Result = NO_ERROR;
PVIDEO_PORT_EVENT EngEvent;
/* Set KEVENT pointer */
EngEvent->pKEvent = EngEvent + 1;
-
+
/* Initialize the kernel event */
KeInitializeEvent(EngEvent->pKEvent,
(EventFlag & EVENT_TYPE_MASK) ?
EventFlag & INITIAL_EVENT_STATE_MASK);
/* Pass pointer to our structure to the caller */
- *Event = (PEVENT)EngEvent;
+ *pEvent = (PEVENT)EngEvent;
DPRINT("VideoPortCreateEvent() created %p\n", EngEvent);
}
else
{
/* Out of memory */
- DPRINT("VideoPortCreateEvent() failed\n");
+ DPRINT("VideoPortCreateEvent() failed\n");
Result = ERROR_NOT_ENOUGH_MEMORY;
}
*/
VP_STATUS
NTAPI
-VideoPortDeleteEvent(IN PVOID HwDeviceExtension,
- IN PEVENT Event)
+VideoPortDeleteEvent(
+ _In_ PVOID HwDeviceExtension,
+ _In_ PEVENT Event)
{
/* Handle error cases */
if (!Event) return ERROR_INVALID_PARAMETER;
*/
LONG
NTAPI
-VideoPortSetEvent(IN PVOID HwDeviceExtension,
- IN PEVENT Event)
+VideoPortSetEvent(
+ _In_ PVOID HwDeviceExtension,
+ _In_ PEVENT Event)
{
return KeSetEvent(Event->pKEvent, IO_NO_INCREMENT, FALSE);
}
*/
VOID
NTAPI
-VideoPortClearEvent(IN PVOID HwDeviceExtension,
- IN PEVENT Event)
+VideoPortClearEvent(
+ _In_ PVOID HwDeviceExtension,
+ _In_ PEVENT Event)
{
KeClearEvent(Event->pKEvent);
}
*/
VP_STATUS
NTAPI
-VideoPortWaitForSingleObject(IN PVOID HwDeviceExtension,
- IN PVOID Event,
- IN PLARGE_INTEGER Timeout OPTIONAL)
+VideoPortWaitForSingleObject(
+ _In_ PVOID HwDeviceExtension,
+ _In_ PVOID Event,
+ _In_opt_ PLARGE_INTEGER Timeout)
{
PVIDEO_PORT_EVENT EngEvent = Event;
NTSTATUS Status;
-
+
/* Handle error cases */
if (!EngEvent) return ERROR_INVALID_PARAMETER;
if (!EngEvent->pKEvent) return ERROR_INVALID_PARAMETER;
if (EngEvent->fFlags & ENG_EVENT_USERMAPPED) return ERROR_INVALID_PARAMETER;
-
+
/* Do the actual wait */
Status = KeWaitForSingleObject(EngEvent->pKEvent,
Executive,
/* All other success codes are Win32 success */
return NO_ERROR;
}
-
+
/* Otherwise, return default Win32 failure */
return ERROR_INVALID_PARAMETER;
}