1/*
2 * Copyright (C) 2005 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17//
18// Handy utility functions and portability code.
19//
20#ifndef _LIBS_UTILS_MISC_H
21#define _LIBS_UTILS_MISC_H
22
23#include <utils/Endian.h>
24
25/* get #of elements in a static array */
26#ifndef NELEM
27# define NELEM(x) ((int) (sizeof(x) / sizeof((x)[0])))
28#endif
29
30namespace android {
31
32typedef void (*sysprop_change_callback)(void);
33void add_sysprop_change_callback(sysprop_change_callback cb, int priority);
34void report_sysprop_change();
35
36}; // namespace android
37
38#endif // _LIBS_UTILS_MISC_H
39