From 7b4c7a681cc4c0a53dc8a8baf4853e921cfbf5de Mon Sep 17 00:00:00 2001 From: bigbiff Date: Thu, 1 Jan 2015 19:44:14 -0500 Subject: Update blkid to 2.25.0 Break libblkid into 4 libraries: libblkid, libuuid, libutil-linux and libfdisk. This should help in later patch updates. Change-Id: I680d9a7feb031e5c29a603e9c58aff4b65826262 --- libblkid/include/linux_reboot.h | 72 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 libblkid/include/linux_reboot.h (limited to 'libblkid/include/linux_reboot.h') diff --git a/libblkid/include/linux_reboot.h b/libblkid/include/linux_reboot.h new file mode 100644 index 000000000..9cebc67e8 --- /dev/null +++ b/libblkid/include/linux_reboot.h @@ -0,0 +1,72 @@ +#ifndef _LINUX_REBOOT_H +#define _LINUX_REBOOT_H + +/* + * Magic values required to use _reboot() system call. + */ + +#define LINUX_REBOOT_MAGIC1 0xfee1dead +#define LINUX_REBOOT_MAGIC2 672274793 +#define LINUX_REBOOT_MAGIC2A 85072278 +#define LINUX_REBOOT_MAGIC2B 369367448 + + +/* + * Commands accepted by the _reboot() system call. + * + * RESTART Restart system using default command and mode. + * HALT Stop OS and give system control to ROM monitor, if any. + * CAD_ON Ctrl-Alt-Del sequence causes RESTART command. + * CAD_OFF Ctrl-Alt-Del sequence sends SIGINT to init task. + * POWER_OFF Stop OS and remove all power from system, if possible. + * RESTART2 Restart system using given command string. + */ + +#define LINUX_REBOOT_CMD_RESTART 0x01234567 +#define LINUX_REBOOT_CMD_HALT 0xCDEF0123 +#define LINUX_REBOOT_CMD_CAD_ON 0x89ABCDEF +#define LINUX_REBOOT_CMD_CAD_OFF 0x00000000 +#define LINUX_REBOOT_CMD_POWER_OFF 0x4321FEDC +#define LINUX_REBOOT_CMD_RESTART2 0xA1B2C3D4 + +/* Including makes sure that on a glibc system + is included, which again defines __GLIBC__ */ +#include +#include "linux_reboot.h" + +#define USE_LIBC + +#ifdef USE_LIBC + +/* libc version */ +#if defined __GLIBC__ && __GLIBC__ >= 2 +# include +# define REBOOT(cmd) reboot(cmd) +#else +extern int reboot(int, int, int); +# define REBOOT(cmd) reboot(LINUX_REBOOT_MAGIC1,LINUX_REBOOT_MAGIC2,(cmd)) +#endif +static inline int my_reboot(int cmd) { + return REBOOT(cmd); +} + +#else /* no USE_LIBC */ + +/* direct syscall version */ +#include + +#ifdef _syscall3 +_syscall3(int, reboot, int, magic, int, magic_too, int, cmd); +#else +/* Let us hope we have a 3-argument reboot here */ +extern int reboot(int, int, int); +#endif + +static inline int my_reboot(int cmd) { + return reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, cmd); +} + +#endif + + +#endif /* _LINUX_REBOOT_H */ -- cgit v1.2.3