Checkevent() - Intel Extensible Firmware Interface Specification

Intel extensible firmware interface specification
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Extensible Firmware Interface Specification
3.1.5

CheckEvent()

Summary
Checks whether an event is in the signaled state.
Prototype
EFI_STATUS
CheckEvent (
IN EFI_EVENT
);
Parameters
Event
Description
The
CheckEvent()
of type EVT_NOTIFY_SIGNAL, then
type EFI_NOTIFY_WAIT, there are three possibilities:
If
is in the signaled state, it is cleared and
Event
If
is not in the signaled state and has no notification function,
Event
returned.
If
is not in the signaled state but does have a notification function, the function is
Event
executed. If that causes
it does not cause
Status Codes Returned
EFI_SUCCESS
EFI_NOT_READY
36
Event
The event to check. Type
function checks to see whether
EFI_INVALID_PARAMETER
to be signaled, it is cleared and
Event
to be signaled,
Event
EFI_NOT_READY
The event is in the signaled state.
The event is not in the signaled state.
12/12/00
is defined in Section 3.1.1.
EFI_EVENT
is in the signaled state. If
Event
is returned. If
is returned.
EFI_SUCCESS
EFI_NOT_READY
EFI_SUCCESS
is returned.
is
Event
is of
Event
is
is returned; if
Version 1.02

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