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Diffstat (limited to 'init.c')
-rw-r--r--init.c42
1 files changed, 30 insertions, 12 deletions
diff --git a/init.c b/init.c
index 35f2255..b368c00 100644
--- a/init.c
+++ b/init.c
@@ -37,12 +37,6 @@
#include <string.h>
#include <termios.h>
#include <unistd.h>
-#include <asm/types.h>
-#include <linux/serial.h> /* for serial_struct */
-#include <linux/version.h>
-#include <linux/reboot.h>
-#include <linux/unistd.h>
-#include <linux/vt.h> /* for vt_stat */
#include <sys/fcntl.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
@@ -52,6 +46,33 @@
# include <sys/syslog.h>
#endif
+/* From <linux/vt.h> */
+struct vt_stat {
+ unsigned short v_active; /* active vt */
+ unsigned short v_signal; /* signal to send */
+ unsigned short v_state; /* vt bitmask */
+};
+#define VT_GETSTATE 0x5603 /* get global vt state info */
+
+/* From <linux/serial.h> */
+struct serial_struct {
+ int type;
+ int line;
+ int port;
+ int irq;
+ int flags;
+ int xmit_fifo_size;
+ int custom_divisor;
+ int baud_base;
+ unsigned short close_delay;
+ char reserved_char[2];
+ int hub6;
+ unsigned short closing_wait; /* time to wait before closing */
+ unsigned short closing_wait2; /* no longer used... */
+ int reserved[4];
+};
+
+
#ifndef RB_HALT_SYSTEM
#define RB_HALT_SYSTEM 0xcdef0123
@@ -84,13 +105,12 @@
#include <sys/time.h>
#endif
-#ifndef KERNEL_VERSION
#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
-#endif
#if defined(__GLIBC__)
#include <sys/kdaemon.h>
#else
+#include <linux/unistd.h> /* for _syscall() macro */
static _syscall2(int, bdflush, int, func, int, data);
#endif /* __GLIBC__ */
@@ -568,7 +588,7 @@ static void shutdown_system(void)
run_lastAction();
sync();
- if (kernelVersion > 0 && kernelVersion <= 2 * 65536 + 2 * 256 + 11) {
+ if (kernelVersion > 0 && kernelVersion <= KERNEL_VERSION(2,2,11)) {
/* bdflush, kupdate not needed for kernels >2.2.11 */
bdflush(1, 0);
sync();
@@ -587,11 +607,9 @@ static void halt_signal(int sig)
/* allow time for last message to reach serial console */
sleep(2);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0)
- if (sig == SIGUSR2)
+ if (sig == SIGUSR2 && kernelVersion >= KERNEL_VERSION(2,2,0))
init_reboot(RB_POWER_OFF);
else
-#endif
init_reboot(RB_HALT_SYSTEM);
exit(0);
}