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Diffstat (limited to 'init/init_shared.c')
-rw-r--r-- | init/init_shared.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/init/init_shared.c b/init/init_shared.c new file mode 100644 index 000000000..47480fc21 --- /dev/null +++ b/init/init_shared.c @@ -0,0 +1,63 @@ +/* vi: set sw=4 ts=4: */ +/* + * Stuff shared between init, reboot, halt, and poweroff + * + * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> + * + * Licensed under GPL version 2, see file LICENSE in this tarball for details. + */ + +#include "busybox.h" +#include <sys/reboot.h> +#include <sys/syslog.h> +#include "init_shared.h" + +const char * const init_sending_format = "Sending SIG%s to all processes."; +#ifndef CONFIG_INIT +const char * const bb_shutdown_format = "\r%s\n"; +int bb_shutdown_system(unsigned long magic) +{ + int pri = LOG_KERN|LOG_NOTICE|LOG_FACMASK; + const char *message; + + /* Don't kill ourself */ + signal(SIGTERM,SIG_IGN); + signal(SIGHUP,SIG_IGN); + bb_setpgrp; + + /* Allow Ctrl-Alt-Del to reboot system. */ +#ifndef RB_ENABLE_CAD +#define RB_ENABLE_CAD 0x89abcdef +#endif + reboot(RB_ENABLE_CAD); + + openlog(applet_name, 0, pri); + + message = "\nThe system is going down NOW !!"; + syslog(pri, "%s", message); + printf(bb_shutdown_format, message); + + sync(); + + /* Send signals to every process _except_ pid 1 */ + message = "TERM"; + syslog(pri, init_sending_format, message); + printf(bb_shutdown_format, message); + + kill(-1, SIGTERM); + sleep(1); + sync(); + + message = "KILL"; + syslog(pri, init_sending_format, message); + printf(bb_shutdown_format, message); + + kill(-1, SIGKILL); + sleep(1); + + sync(); + + reboot(magic); + return 0; /* Shrug */ +} +#endif |