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Re-add initrd support, unify halt/reboot/poweroff, add -n and -f options.

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This commit is contained in:
Rob Landley
2006-01-30 08:31:37 +00:00
parent 49576c0018
commit 646129163a
7 changed files with 76 additions and 124 deletions
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38
init/halt.c
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@@ -1,28 +1,42 @@
/* vi: set sw=4 ts=4: */
/*
* Mini halt implementation for busybox
* Poweroff reboot and halt, oh my.
*
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
* 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 <stdlib.h>
#include <unistd.h>
#include <getopt.h>
#include <sys/reboot.h>
#include "busybox.h"
#include "init_shared.h"
#include <unistd.h>
extern int halt_main(int argc, char **argv)
int halt_main(int argc, char *argv[])
{
char *delay; /* delay in seconds before rebooting */
char *delay = "hpr";
int which, flags, magic[] = {RB_HALT_SYSTEM, RB_POWER_OFF, RB_AUTOBOOT},
signals[] = {SIGUSR1, SIGUSR2, SIGTERM}, rc = 1;
if(bb_getopt_ulflags(argc, argv, "d:", &delay)) {
sleep(atoi(delay));
}
/* Figure out which applet we're running */
for(which=0;delay[which]!=*bb_applet_name;which++);
return ENABLE_INIT ? kill(1,SIGUSR1) : bb_shutdown_system(RB_HALT_SYSTEM);
/* 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;
}