1 /* 2 * Copyright (C) 2013 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 #include <errno.h> 18 #include <stdio.h> 19 #include <stdlib.h> 20 #include <cutils/properties.h> 21 #include <cutils/android_reboot.h> 22 #include <unistd.h> 23 24 int main(int argc, char* argv[]) { 25 int ret; 26 size_t prop_len; 27 char property_val[PROPERTY_VALUE_MAX]; 28 static const char reboot[] = "reboot"; 29 const char* cmd = reboot; 30 char* optarg = ""; 31 32 opterr = 0; 33 do { 34 int c; 35 36 c = getopt(argc, argv, "p"); 37 38 if (c == -1) { 39 break; 40 } 41 42 switch (c) { 43 case 'p': 44 cmd = "shutdown"; 45 break; 46 case '?': 47 fprintf(stderr, "usage: %s [-p] [rebootcommand]\n", argv[0]); 48 exit(EXIT_FAILURE); 49 } 50 } while (1); 51 52 if(argc > optind + 1) { 53 fprintf(stderr, "%s: too many arguments\n", argv[0]); 54 exit(EXIT_FAILURE); 55 } 56 57 if (argc > optind) 58 optarg = argv[optind]; 59 if (!optarg || !optarg[0]) optarg = "shell"; 60 61 prop_len = snprintf(property_val, sizeof(property_val), "%s,%s", cmd, optarg); 62 if (prop_len >= sizeof(property_val)) { 63 fprintf(stderr, "%s command too long: %s\n", cmd, optarg); 64 exit(EXIT_FAILURE); 65 } 66 67 ret = property_set(ANDROID_RB_PROPERTY, property_val); 68 if (ret < 0) { 69 perror(cmd); 70 exit(EXIT_FAILURE); 71 } 72 73 // Don't return early. Give the reboot command time to take effect 74 // to avoid messing up scripts which do "adb shell reboot && adb wait-for-device" 75 if (cmd == reboot) { 76 while (1) { 77 pause(); 78 } 79 } 80 81 fprintf(stderr, "Done\n"); 82 return 0; 83 } 84
