85c247161b
function old new delta bbunpack 358 366 +8 passwd_main 1070 1072 +2 handle_incoming_and_exit 2651 2653 +2 getpty 88 86 -2 script_main 975 972 -3 inetd_main 2036 2033 -3 dname_enc 377 373 -4 make_new_session 474 462 -12 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/5 up/down: 12/-24) Total: -12 bytes text data bss dec hex filename 797429 658 7428 805515 c4a8b busybox_old 797417 658 7428 805503 c4a7f busybox_unstripped
93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Poweroff reboot and halt, oh my.
|
|
*
|
|
* Copyright 2006 by Rob Landley <rob@landley.net>
|
|
*
|
|
* Licensed under GPL version 2, see file LICENSE in this tarball for details.
|
|
*/
|
|
|
|
#include "libbb.h"
|
|
#include <sys/reboot.h>
|
|
|
|
#if ENABLE_FEATURE_WTMP
|
|
#include <sys/utsname.h>
|
|
#include <utmp.h>
|
|
#endif
|
|
|
|
int halt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
|
int halt_main(int argc ATTRIBUTE_UNUSED, char **argv)
|
|
{
|
|
static const int magic[] = {
|
|
#ifdef RB_HALT_SYSTEM
|
|
RB_HALT_SYSTEM,
|
|
#elif defined RB_HALT
|
|
RB_HALT,
|
|
#endif
|
|
#ifdef RB_POWER_OFF
|
|
RB_POWER_OFF,
|
|
#elif defined RB_POWERDOWN
|
|
RB_POWERDOWN,
|
|
#endif
|
|
RB_AUTOBOOT
|
|
};
|
|
static const smallint signals[] = { SIGUSR1, SIGUSR2, SIGTERM };
|
|
|
|
char *delay;
|
|
int which, flags, rc = 1;
|
|
#if ENABLE_FEATURE_WTMP
|
|
struct utmp utmp;
|
|
struct timeval tv;
|
|
struct utsname uts;
|
|
#endif
|
|
|
|
/* Figure out which applet we're running */
|
|
for (which = 0; "hpr"[which] != *applet_name; which++)
|
|
continue;
|
|
|
|
/* Parse and handle arguments */
|
|
flags = getopt32(argv, "d:nfw", &delay);
|
|
if (flags & 1)
|
|
sleep(xatou(delay));
|
|
|
|
#if ENABLE_FEATURE_WTMP
|
|
if (access(bb_path_wtmp_file, R_OK|W_OK) == -1) {
|
|
close(creat(bb_path_wtmp_file, 0664));
|
|
}
|
|
memset(&utmp, 0, sizeof(utmp));
|
|
gettimeofday(&tv, NULL);
|
|
utmp.ut_tv.tv_sec = tv.tv_sec;
|
|
utmp.ut_tv.tv_usec = tv.tv_usec;
|
|
safe_strncpy(utmp.ut_user, "shutdown", UT_NAMESIZE);
|
|
utmp.ut_type = RUN_LVL;
|
|
safe_strncpy(utmp.ut_id, "~~", sizeof(utmp.ut_id));
|
|
safe_strncpy(utmp.ut_line, "~~", UT_LINESIZE);
|
|
if (uname(&uts) == 0)
|
|
safe_strncpy(utmp.ut_host, uts.release, sizeof(utmp.ut_host));
|
|
updwtmp(bb_path_wtmp_file, &utmp);
|
|
#endif /* !ENABLE_FEATURE_WTMP */
|
|
|
|
if (flags & 8) /* -w */
|
|
return 0;
|
|
if (!(flags & 2)) /* no -n */
|
|
sync();
|
|
|
|
/* Perform action. */
|
|
if (ENABLE_INIT && !(flags & 4)) {
|
|
if (ENABLE_FEATURE_INITRD) {
|
|
pid_t *pidlist = find_pid_by_name("linuxrc");
|
|
if (pidlist[0] > 0)
|
|
rc = kill(pidlist[0], signals[which]);
|
|
if (ENABLE_FEATURE_CLEAN_UP)
|
|
free(pidlist);
|
|
}
|
|
if (rc)
|
|
rc = kill(1, signals[which]);
|
|
} else
|
|
rc = reboot(magic[which]);
|
|
|
|
if (rc)
|
|
bb_error_msg("no");
|
|
return rc;
|
|
}
|