/** Constructor function of VarCheckUefiLib to set property and register SetVariable check handler for UEFI defined variables. @param[in] ImageHandle The firmware allocated handle for the EFI image. @param[in] SystemTable A pointer to the EFI System Table. @retval EFI_SUCCESS The constructor executed correctly. **/ EFI_STATUS EFIAPI VarCheckUefiLibNullClassConstructor ( IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable ) { VariablePropertySetUefiDefined (); VarCheckLibRegisterSetVariableCheckHandler (SetVariableCheckHandlerUefiDefined); return EFI_SUCCESS; }
/** Register SetVariable check handler. @param[in] Handler Pointer to check handler. @retval EFI_SUCCESS The SetVariable check handler was registered successfully. @retval EFI_INVALID_PARAMETER Handler is NULL. @retval EFI_ACCESS_DENIED EFI_END_OF_DXE_EVENT_GROUP_GUID or EFI_EVENT_GROUP_READY_TO_BOOT has already been signaled. @retval EFI_OUT_OF_RESOURCES There is not enough resource for the SetVariable check handler register request. @retval EFI_UNSUPPORTED This interface is not implemented. For example, it is unsupported in VarCheck protocol if both VarCheck and SmmVarCheck protocols are present. **/ EFI_STATUS EFIAPI VarCheckRegisterSetVariableCheckHandler ( IN VAR_CHECK_SET_VARIABLE_CHECK_HANDLER Handler ) { EFI_STATUS Status; AcquireLockOnlyAtBootTime (&mVariableModuleGlobal->VariableGlobal.VariableServicesLock); Status = VarCheckLibRegisterSetVariableCheckHandler (Handler); ReleaseLockOnlyAtBootTime (&mVariableModuleGlobal->VariableGlobal.VariableServicesLock); return Status; }