diff options
Diffstat (limited to 'init')
| -rw-r--r-- | init/halt.c | 3 | ||||
| -rw-r--r-- | init/poweroff.c | 3 | ||||
| -rw-r--r-- | init/reboot.c | 3 |
3 files changed, 9 insertions, 0 deletions
diff --git a/init/halt.c b/init/halt.c index 2ca36d038..7baccf5d4 100644 --- a/init/halt.c +++ b/init/halt.c @@ -26,6 +26,9 @@ extern int halt_main(int argc, char **argv) { + if (argc > 1 && strcmp(argv[1], "--help") == 0) + usage(halt_usage); + #ifdef BB_FEATURE_LINUXRC /* don't assume init's pid == 1 */ return(kill(*(findPidByName("init")), SIGUSR1)); diff --git a/init/poweroff.c b/init/poweroff.c index 126a0fb94..b499d141f 100644 --- a/init/poweroff.c +++ b/init/poweroff.c @@ -26,6 +26,9 @@ extern int poweroff_main(int argc, char **argv) { + if (argc > 1 && strcmp(argv[1], "--help") == 0) + usage(poweroff_usage); + #ifdef BB_FEATURE_LINUXRC /* don't assume init's pid == 1 */ return(kill(*(findPidByName("init")), SIGUSR2)); diff --git a/init/reboot.c b/init/reboot.c index bde8dbd77..bef9b26f0 100644 --- a/init/reboot.c +++ b/init/reboot.c @@ -26,6 +26,9 @@ extern int reboot_main(int argc, char **argv) { + if (argc > 1 && strcmp(argv[1], "--help") == 0) + usage(reboot_usage); + #ifdef BB_FEATURE_LINUXRC /* don't assume init's pid == 1 */ return(kill(*(findPidByName("init")), SIGINT)); |