diff options
| author | Jeremie Koenig <jk@jk.fr.eu.org> | 2010-05-27 15:38:44 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2010-07-19 00:45:51 +0200 |
| commit | 714674e4da3d92c5dd14e00ab30794a895b91eb4 (patch) | |
| tree | 0d27bc73f1f2fe0175c5fc948451b86c52f9bb90 /init/reboot.h | |
| parent | f812eace1863feeac64dc8af27f4ab0f98119618 (diff) | |
| download | busybox-714674e4da3d92c5dd14e00ab30794a895b91eb4.tar.gz | |
init,halt: portability improvements
* make init and halt use the same RB_* constants for reboot()
* conditionalize the Linux-specific code
Inspired by init.init.diff from the Debian kFreeBSD patches at:
http://svn.debian.org/viewsvn/d-i/people/slackydeb/kfreebsd/busybox/1.14/debian
Signed-off-by: Jeremie Koenig <jk@jk.fr.eu.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'init/reboot.h')
| -rw-r--r-- | init/reboot.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/init/reboot.h b/init/reboot.h new file mode 100644 index 000000000..ff045fdd1 --- /dev/null +++ b/init/reboot.h @@ -0,0 +1,31 @@ +/* + * Definitions related to the reboot() system call, + * shared between init.c and halt.c. + */ + +#include <sys/reboot.h> + +#ifndef RB_HALT_SYSTEM +# if defined(__linux__) +# define RB_HALT_SYSTEM 0xcdef0123 +# define RB_ENABLE_CAD 0x89abcdef +# define RB_DISABLE_CAD 0 +# define RB_POWER_OFF 0x4321fedc +# define RB_AUTOBOOT 0x01234567 +# elif defined(RB_HALT) +# define RB_HALT_SYSTEM RB_HALT +# endif +#endif + +/* Stop system and switch power off if possible. */ +#ifndef RB_POWER_OFF +# if defined(RB_POWERDOWN) +# define RB_POWER_OFF RB_POWERDOWN +# elif defined(__linux__) +# define RB_POWER_OFF 0x4321fedc +# else +# warning "poweroff unsupported, using halt as fallback" +# define RB_POWER_OFF RB_HALT_SYSTEM +# endif +#endif + |