reboot.c revision e3aeeb4de34dbb93e832e6554f494122ba633f3b 
1#include <errno.h>
2#include <stdio.h>
3#include <stdlib.h>
4#include <cutils/android_reboot.h>
5#include <unistd.h>
6
7int reboot_main(int argc, char *argv[])
8{
9    int ret;
10    int nosync = 0;
11    int poweroff = 0;
12    int flags = 0;
13
14    opterr = 0;
15    do {
16        int c;
17
18        c = getopt(argc, argv, "np");
19
20        if (c == EOF) {
21            break;
22        }
23
24        switch (c) {
25        case 'n':
26            nosync = 1;
27            break;
28        case 'p':
29            poweroff = 1;
30            break;
31        case '?':
32            fprintf(stderr, "usage: %s [-n] [-p] [rebootcommand]\n", argv[0]);
33            exit(EXIT_FAILURE);
34        }
35    } while (1);
36
37    if(argc > optind + 1) {
38        fprintf(stderr, "%s: too many arguments\n", argv[0]);
39        exit(EXIT_FAILURE);
40    }
41
42    if(nosync)
43        /* also set NO_REMOUNT_RO as remount ro includes an implicit sync */
44        flags = ANDROID_RB_FLAG_NO_SYNC | ANDROID_RB_FLAG_NO_REMOUNT_RO;
45
46    if(poweroff)
47        ret = android_reboot(ANDROID_RB_POWEROFF, flags, 0);
48    else if(argc > optind)
49        ret = android_reboot(ANDROID_RB_RESTART2, flags, argv[optind]);
50    else
51        ret = android_reboot(ANDROID_RB_RESTART, flags, 0);
52    if(ret < 0) {
53        perror("reboot");
54        exit(EXIT_FAILURE);
55    }
56    fprintf(stderr, "reboot returned\n");
57    return 0;
58}
59