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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 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;
}
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