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/* 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 "busybox.h"
#include <signal.h>
#include <sys/reboot.h>
#include <unistd.h>
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 = "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;
}
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