package/sash/src/shutdown.c

   1 /* shutdown.c:
   2  *
   3  * Copyright (C) 1998  Kenneth Albanowski <kjahds@kjahds.com>,
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  */
  10
  11 #include "sash.h"
  12
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <unistd.h>
  16 #include <string.h>
  17 #include <fcntl.h>
  18 #include <sys/types.h>
  19
  20 #include <sys/stat.h>
  21 #include <dirent.h>
  22 #include <pwd.h>
  23 #include <grp.h>
  24 #include <time.h>
  25 #include <signal.h>
  26 #include <unistd.h>
  27 #include <sys/reboot.h>
  28
  29 int
  30 main(argc, argv)
  31         int argc;
  32         char    **argv;
  33 {
  34         char *progname = argv[0];
  35
  36         if (argc > 2 && strcmp(argv[1], "-d") == 0) {
  37                 sleep(atoi(argv[2]));
  38                 argc -= 2;
  39         }
  40         if ((argc != 3) || (strcmp(argv[1], "-h") && strcmp(argv[1], "-r")) || strcmp(argv[2], "now")) {
  41                 printf("Usage: %s [-d delay] -h|-r now\n", progname);
  42                 exit(0);
  43         }
  44
  45         kill(1, SIGTSTP);
  46         sync();
  47         signal(SIGTERM,SIG_IGN);
  48         setpgrp();
  49         kill(-1, SIGTERM);
  50         sleep(1);
  51         kill(-1, SIGHUP); /* Force PPPD's down, too */
  52         sleep(1);
  53         kill(-1, SIGKILL);
  54         sync();
  55         sleep(1);
  56
  57         if (strcmp(argv[1], "-h")==0) {
  58                 reboot(0xCDEF0123);
  59         } else {
  60                 reboot(0x01234567);
  61         }
  62
  63         exit(0); /* Shrug */
  64 }