mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-11-28 06:00:36 +00:00
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Poweroff reboot and halt, oh my.
|
|
*
|
|
* Copyright 2006 by Rob Landley <rob@landley.net>
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
|
*/
|
|
|
|
#include <signal.h>
|
|
#include <sys/reboot.h>
|
|
#include "busybox.h"
|
|
|
|
#include <unistd.h>
|
|
|
|
int halt_main(int argc, char *argv[])
|
|
{
|
|
static const int magic[] = {RB_HALT_SYSTEM, RB_POWER_OFF, RB_AUTOBOOT};
|
|
static const int signals[] = {SIGUSR1, SIGUSR2, SIGTERM};
|
|
|
|
char *delay = "hpr";
|
|
int which, flags, rc = 1;
|
|
|
|
/* Figure out which applet we're running */
|
|
for(which=0;delay[which]!=*bb_applet_name;which++);
|
|
|
|
/* Parse and handle arguments */
|
|
flags = bb_getopt_ulflags(argc, argv, "d:nf", &delay);
|
|
if (flags&1) sleep(atoi(delay));
|
|
if (!(flags&2)) sync();
|
|
|
|
/* Perform action. */
|
|
if (ENABLE_INIT && !(flags & 4)) {
|
|
if (ENABLE_FEATURE_INITRD) {
|
|
long *pidlist=find_pid_by_name("linuxrc");
|
|
if (*pidlist>0) rc = kill(*pidlist,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;
|
|
}
|