diff options
Diffstat (limited to 'init/halt.c')
| -rw-r--r-- | init/halt.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/init/halt.c b/init/halt.c index 89efdd64a..34479742e 100644 --- a/init/halt.c +++ b/init/halt.c @@ -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; + + /* Figure out which applet we're running */ + for(which=0;delay[which]!=*bb_applet_name;which++); - if(bb_getopt_ulflags(argc, argv, "d:", &delay)) { - sleep(atoi(delay)); - } + /* 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]); - return ENABLE_INIT ? kill(1,SIGUSR1) : bb_shutdown_system(RB_HALT_SYSTEM); + if (rc) bb_error_msg("No."); + return rc; } |