1 /*
2  * Copyright (C) 2020 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 #pragma once
18 
19 #include <interface/system_state/system_state.h>
20 #include <lk/compiler.h>
21 #include <sys/types.h>
22 
23 __BEGIN_CDECLS
24 
25 struct tipc_hset;
26 
27 /**
28  * system_state_server_get_flag() - Get the current value of a system flag
29  * @flag:   Identifier for flag to get. One of @enum system_state_flag.
30  * @valuep: Pointer to return value in.
31  *
32  * Must be implemented by client of lib_system_state_server.
33  *
34  * Return: 0 on success, or an error code < 0 on failure.
35  */
36 int system_state_server_get_flag(uint32_t flag, uint64_t* valuep);
37 
38 /**
39  * add_system_state_service() - Add system_state service
40  * @hset: Handle set created by tipc_hset_create()
41  *
42  * Client should call tipc_run_event_loop at some point after this call returns.
43  *
44  * Return: 0 on success, or an error code < 0 on failure.
45  */
46 int add_system_state_service(struct tipc_hset* hset);
47 
48 __END_CDECLS
49