property_service.h revision e4b7b294f37d9b64d6b7c1931e2c9bfb1a500d68 
1/*
2 * Copyright (C) 2007 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#ifndef _INIT_PROPERTY_H
18#define _INIT_PROPERTY_H
19
20#include <stdbool.h>
21#include <sys/system_properties.h>
22
23extern void handle_property_set_fd(void);
24extern void property_init(void);
25extern void property_load_boot_defaults(void);
26extern void load_persist_props(void);
27extern void load_all_props(void);
28extern void start_property_service(void);
29void get_property_workspace(int *fd, int *sz);
30extern int __property_get(const char *name, char *value);
31extern int property_set(const char *name, const char *value);
32extern int properties_inited();
33int get_property_set_fd(void);
34
35extern void __property_get_size_error()
36    __attribute__((__error__("property_get called with too small buffer")));
37
38static inline
39__attribute__ ((always_inline))
40__attribute__ ((gnu_inline))
41__attribute__ ((artificial))
42int property_get(const char *name, char *value)
43{
44    size_t value_len = __builtin_object_size(value, 0);
45    if (value_len != PROP_VALUE_MAX)
46        __property_get_size_error();
47
48    return __property_get(name, value);
49}
50
51#endif	/* _INIT_PROPERTY_H */
52