|  | /* | 
|  | * Copyright (C) 2005 The Android Open Source Project | 
|  | * | 
|  | * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 | 
|  | * | 
|  | * Unless required by applicable law or agreed to in writing, software | 
|  | * distributed under the License is distributed on an "AS IS" BASIS, | 
|  | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | * See the License for the specific language governing permissions and | 
|  | * limitations under the License. | 
|  | */ | 
|  |  | 
|  | // | 
|  | // Handy utility functions and portability code. | 
|  | // | 
|  | #ifndef _LIBS_UTILS_MISC_H | 
|  | #define _LIBS_UTILS_MISC_H | 
|  |  | 
|  | #include <utils/Endian.h> | 
|  |  | 
|  | /* get #of elements in a static array */ | 
|  | #ifndef NELEM | 
|  | # define NELEM(x) ((int) (sizeof(x) / sizeof((x)[0]))) | 
|  | #endif | 
|  |  | 
|  | namespace android { | 
|  |  | 
|  | typedef void (*sysprop_change_callback)(void); | 
|  | void add_sysprop_change_callback(sysprop_change_callback cb, int priority); | 
|  | void report_sysprop_change(); | 
|  |  | 
|  | }; // namespace android | 
|  |  | 
|  | #endif // _LIBS_UTILS_MISC_H |