platform_system_core/libcutils/android_reboot.cpp

54 lines
1.5 KiB
C++

/*
* Copyright 2011, 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.
*/
#include <cutils/android_reboot.h>
#include <stdio.h>
#include <stdlib.h>
#include <cutils/properties.h>
#define TAG "android_reboot"
int android_reboot(int cmd, int /*flags*/, const char* arg) {
int ret;
const char* restart_cmd = NULL;
char* prop_value;
switch (static_cast<unsigned>(cmd)) {
case ANDROID_RB_RESTART: // deprecated
case ANDROID_RB_RESTART2:
restart_cmd = "reboot";
break;
case ANDROID_RB_POWEROFF:
restart_cmd = "shutdown";
break;
case ANDROID_RB_THERMOFF:
restart_cmd = "shutdown,thermal";
break;
}
if (!restart_cmd) return -1;
if (arg && arg[0]) {
ret = asprintf(&prop_value, "%s,%s", restart_cmd, arg);
} else {
ret = asprintf(&prop_value, "%s", restart_cmd);
}
if (ret < 0) return -1;
ret = property_set(ANDROID_RB_PROPERTY, prop_value);
free(prop_value);
return ret;
}