86 lines
1.8 KiB
C++
86 lines
1.8 KiB
C++
/**
|
|
* PROJECT: ExectOS
|
|
* COPYRIGHT: See COPYING.md in the top level directory
|
|
* FILE: xtoskrnl/ke/event.cc
|
|
* DESCRIPTION: Kernel events support
|
|
* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
|
|
*/
|
|
|
|
#include <xtos.hh>
|
|
|
|
|
|
/**
|
|
* Clears the signal state of the event.
|
|
*
|
|
* @param Event
|
|
* Supplies a pointer to the event object.
|
|
*
|
|
* @return This routine does not return any value.
|
|
*
|
|
* @since NT 3.5
|
|
*/
|
|
XTAPI
|
|
VOID
|
|
KE::Event::ClearEvent(IN PKEVENT Event)
|
|
{
|
|
/* Clear event's signal state */
|
|
Event->Header.SignalState = FALSE;
|
|
}
|
|
|
|
/**
|
|
* Initializes a kernel event.
|
|
*
|
|
* @param Event
|
|
* Supplies a pointer to the event object.
|
|
*
|
|
* @param EventType
|
|
* Specifies an event type.
|
|
*
|
|
* @param InitialState
|
|
* Specifies the initial signal state of the event.
|
|
*
|
|
* @return This routine does not return any value.
|
|
*
|
|
* @since NT 3.5
|
|
*/
|
|
XTAPI
|
|
VOID
|
|
KE::Event::InitializeEvent(OUT PKEVENT Event,
|
|
IN KEVENT_TYPE EventType,
|
|
IN BOOLEAN InitialState)
|
|
{
|
|
/* Initialize event dispatcher header */
|
|
Event->Header.Type = EventType;
|
|
Event->Header.SignalState = InitialState;
|
|
|
|
/* Initialize event wait list */
|
|
RtlInitializeListHead(&Event->Header.WaitListHead);
|
|
}
|
|
|
|
/**
|
|
* Sets new signal state and satisfy waits if possible.
|
|
*
|
|
* @param Event
|
|
* Supplies a pointer to the event object.
|
|
*
|
|
* @param Increment
|
|
* Specifies an event priority boost value.
|
|
*
|
|
* @param Wait
|
|
* Specifies whether to call kernel wait routines or not.
|
|
*
|
|
* @return This routine returns the previous signal state of the event.
|
|
*
|
|
* @since NT 3.5
|
|
*/
|
|
XTAPI
|
|
LONG
|
|
KE::Event::SetEvent(IN PKEVENT Event,
|
|
IN KPRIORITY Increment,
|
|
IN BOOLEAN Wait)
|
|
{
|
|
UNIMPLEMENTED;
|
|
|
|
return 0;
|
|
}
|