1 /*
2  * Copyright (C) 2010 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 <optional>
20 #include <string>
21 
22 #define PROC_SYSRQ "/proc/sysrq-trigger"
23 
24 namespace android {
25 namespace init {
26 
27 void SetFatalRebootTarget(const std::optional<std::string>& reboot_target = std::nullopt);
28 // Determines whether the system is capable of rebooting. This is conservative,
29 // so if any of the attempts to determine this fail, it will still return true.
30 bool IsRebootCapable();
31 // This is a wrapper around the actual reboot calls.
32 void __attribute__((noreturn)) RebootSystem(unsigned int cmd, const std::string& reboot_target);
33 void __attribute__((noreturn)) InitFatalReboot(int signal_number);
34 void InstallRebootSignalHandlers();
35 
36 }  // namespace init
37 }  // namespace android
38