mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-12-03 01:12:23 +00:00
60 lines
1.3 KiB
C
60 lines
1.3 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>
|
|
|
|
int halt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
|
int halt_main(int argc, 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 int signals[] = { SIGUSR1, SIGUSR2, SIGTERM };
|
|
|
|
char *delay;
|
|
int which, flags, rc = 1;
|
|
|
|
/* Figure out which applet we're running */
|
|
for (which = 0; "hpr"[which] != *applet_name; which++);
|
|
|
|
/* Parse and handle arguments */
|
|
flags = getopt32(argv, "d:nf", &delay);
|
|
if (flags & 1) sleep(xatou(delay));
|
|
if (!(flags & 2)) 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;
|
|
}
|