tools/nolibc: types.h: add RB_ flags for reboot()

Both glibc and musl provide RB_ flags via <sys/reboot.h> for reboot(),
they don't need to include <linux/reboot.h>, let nolibc provide RB_
flags too.
Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>

tools/include/nolibc/sys.h

@@ -21,7 +21,6 @@
 #include <linux/auxvec.h>
 #include <linux/fcntl.h> /* for O_* and AT_* */
 #include <linux/stat.h>  /* for statx() */
-#include <linux/reboot.h> /* for LINUX_REBOOT_* */
 #include <linux/prctl.h>
 
 #include "arch.h"

tools/include/nolibc/types.h

@@ -9,8 +9,9 @@
 
 #include "std.h"
 #include <linux/mman.h>
-#include <linux/time.h>
+#include <linux/reboot.h> /* for LINUX_REBOOT_* */
 #include <linux/stat.h>
+#include <linux/time.h>
 
 
 /* Only the generic macros and types may be defined here. The arch-specific
@@ -92,6 +93,15 @@
 #define SEEK_CUR       1
 #define SEEK_END       2
 
+/* flags for reboot */
+#define RB_AUTOBOOT     LINUX_REBOOT_CMD_RESTART
+#define RB_HALT_SYSTEM  LINUX_REBOOT_CMD_HALT
+#define RB_ENABLE_CAD   LINUX_REBOOT_CMD_CAD_ON
+#define RB_DISABLE_CAD  LINUX_REBOOT_CMD_CAD_OFF
+#define RB_POWER_OFF    LINUX_REBOOT_CMD_POWER_OFF
+#define RB_SW_SUSPEND   LINUX_REBOOT_CMD_SW_SUSPEND
+#define RB_KEXEC        LINUX_REBOOT_CMD_KEXEC
+
 /* Macros used on waitpid()'s return status */
 #define WEXITSTATUS(status) (((status) & 0xff00) >> 8)
 #define WIFEXITED(status)   (((status) & 0x7f) == 0)