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IntelFrameworkPkg/FrameworkUefiLib: implement EfiEventGroupSignal 

This patch follows the implementation seen in MdePkg's UefiLib instance,
so that FrameworkUefiLib also covers the UefiLib.h library class header
completely.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Suggested-by: Jordan Justen <jordan.l.justen@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Laszlo Ersek 2016-03-22 17:07:14 +01:00
parent ff55dd3bef
commit 6212b9481d
1 changed files with 43 additions and 0 deletions
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43
IntelFrameworkPkg/Library/FrameworkUefiLib/UefiLib.c
View File

@ -282,6 +282,49 @@ EfiNamedEventSignal (
return Status;
}
/**
Signals an event group by placing a new event in the group temporarily and
signaling it.
@param[in] EventGroup Supplies the unique identifier of the event
group to signal.
@retval EFI_SUCCESS The event group was signaled successfully.
@retval EFI_INVALID_PARAMETER EventGroup is NULL.
@return Error codes that report problems about event
creation or signaling.
**/
EFI_STATUS
EFIAPI
EfiEventGroupSignal (
IN CONST EFI_GUID *EventGroup
)
{
EFI_STATUS Status;
EFI_EVENT Event;
if (EventGroup == NULL) {
return EFI_INVALID_PARAMETER;
}
Status = gBS->CreateEventEx (
EVT_NOTIFY_SIGNAL,
TPL_CALLBACK,
InternalEmptyFunction,
NULL,
EventGroup,
&Event
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = gBS->SignalEvent (Event);
gBS->CloseEvent (Event);
return Status;
}
/**
Returns the current TPL.