/*! \file include/persistent.h \brief Interface: Definitions for persistent data \author Eddie C. Dost */ /* * The contents of this file are subject to the Mozilla Public License * Version 1.0 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License * at http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and * limitations under the License. * * The Original Code is legOS code, released October 17, 1999. * * The Initial Developer of the Original Code is Markus L. Noga. * Portions created by Markus L. Noga are Copyright (C) 1999 * Markus L. Noga. All Rights Reserved. * * Contributor(s): Markus L. Noga */ #ifndef __persistent_h_ #define __persistent_h_ #ifdef __cplusplus extern "C" { #endif /////////////////////////////////////////////////////////////////////// // // Definitions // /////////////////////////////////////////////////////////////////////// //! Define storage persistent across different runs of a program /*! This macro is used to mark initialized data (doesn't apply to uninitialized data) as `persistent' data. This data will be saved across different runs of the program. Usage: You should insert __persistent between the variable name and equal sign followed by value, e.g: static int counter __persistent = 0; static char data[] __persistent = { 0x32, 0x36, ... }; */ #define __persistent __attribute__ ((__section__ (".persist"))) #ifdef __cplusplus } #endif #endif // __persistent_h__