diff options
author | Eric Andersen <andersen@codepoet.org> | 2001-04-03 22:01:51 +0400 |
---|---|---|
committer | Eric Andersen <andersen@codepoet.org> | 2001-04-03 22:01:51 +0400 |
commit | c97ec34370f66771713809ab7da19b7fe923cffe (patch) | |
tree | 113cfd14600fe4ccb65e392eeb06e368df13f1ef /init | |
parent | 0f0c0b41ced8c30d382a0490719c79371260b9d1 (diff) |
A patch from Matt Kraai that adds a new 'shutdown' action to busybox init. Now
you can specify an arbitrary behavior for 'ctrlaltdel' without that behavior
needing to be a reboot.
Diffstat (limited to 'init')
-rw-r--r-- | init/init.c | 23 | ||||
-rw-r--r-- | init/reboot.c | 4 |
2 files changed, 18 insertions, 9 deletions
diff --git a/init/init.c b/init/init.c index 417aadd23..570b8a697 100644 --- a/init/init.c +++ b/init/init.c @@ -146,7 +146,8 @@ typedef enum { ASKFIRST, WAIT, ONCE, - CTRLALTDEL + CTRLALTDEL, + SHUTDOWN } initActionEnum; /* A mapping between "inittab" action name strings and action type codes. */ @@ -162,6 +163,7 @@ static const struct initActionType actions[] = { {"wait", WAIT}, {"once", ONCE}, {"ctrlaltdel", CTRLALTDEL}, + {"shutdown", SHUTDOWN}, {0, 0} }; @@ -617,12 +619,12 @@ static void check_memory() } /* Run all commands to be run right before halt/reboot */ -static void run_lastAction(void) +static void run_actions(initActionEnum action) { initAction *a, *tmp; for (a = initActionList; a; a = tmp) { tmp = a->nextPtr; - if (a->action == CTRLALTDEL) { + if (a->action == action) { waitfor(a->process, a->console, FALSE); delete_initAction(a); } @@ -654,7 +656,7 @@ static void shutdown_system(void) sleep(1); /* run everything to be run at "ctrlaltdel" */ - run_lastAction(); + run_actions(SHUTDOWN); sync(); if (kernelVersion > 0 && kernelVersion <= KERNEL_VERSION(2,2,11)) { @@ -696,6 +698,11 @@ static void reboot_signal(int sig) exit(0); } +static void ctrlaltdel_signal(int sig) +{ + run_actions(CTRLALTDEL); +} + #endif /* ! DEBUG_INIT */ static void new_initAction(initActionEnum action, char *process, char *cons) @@ -767,10 +774,12 @@ static void parse_inittab(void) if (file == NULL) { /* No inittab file -- set up some default behavior */ #endif + /* Reboot on Ctrl-Alt-Del */ + new_initAction(CTRLALTDEL, "/sbin/reboot", console); /* Swapoff on halt/reboot */ - new_initAction(CTRLALTDEL, "/sbin/swapoff -a", console); + new_initAction(SHUTDOWN, "/sbin/swapoff -a", console); /* Umount all filesystems on halt/reboot */ - new_initAction(CTRLALTDEL, "/bin/umount -a -r", console); + new_initAction(SHUTDOWN, "/bin/umount -a -r", console); /* Askfirst shell on tty1 */ new_initAction(ASKFIRST, SHELL, console); /* Askfirst shell on tty2 */ @@ -883,7 +892,7 @@ extern int init_main(int argc, char **argv) * clear all of these in run() */ signal(SIGUSR1, halt_signal); signal(SIGUSR2, halt_signal); - signal(SIGINT, reboot_signal); + signal(SIGINT, ctrlaltdel_signal); signal(SIGTERM, reboot_signal); /* Turn off rebooting via CTL-ALT-DEL -- we get a diff --git a/init/reboot.c b/init/reboot.c index 3e5f2382c..74d2cf643 100644 --- a/init/reboot.c +++ b/init/reboot.c @@ -28,9 +28,9 @@ extern int reboot_main(int argc, char **argv) { #ifdef BB_FEATURE_LINUXRC /* don't assume init's pid == 1 */ - return(kill(*(find_pid_by_name("init")), SIGINT)); + return(kill(*(find_pid_by_name("init")), SIGTERM)); #else - return(kill(1, SIGINT)); + return(kill(1, SIGTERM)); #endif } |