diff --git a/IntelFrameworkPkg/Library/FrameworkUefiLib/UefiLib.c b/IntelFrameworkPkg/Library/FrameworkUefiLib/UefiLib.c index 9f73fb52ed..e198b729a3 100644 --- a/IntelFrameworkPkg/Library/FrameworkUefiLib/UefiLib.c +++ b/IntelFrameworkPkg/Library/FrameworkUefiLib/UefiLib.c @@ -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.