Write runlevel to utmp

This is needed by Printerdrake (by Pascal Terjan)

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>

Changelog

@@ -1,5 +1,6 @@
 0.5 ()
 	- finit-alt listens to /dev/initctl to work with reboot(8)
+	- write runlevel to utmp, needed by Printerdrake (by Pascal Terjan)
 
 O.4 (20080516)
 	- default username for finit-alt configurable in Makefile

Makefile

@@ -30,9 +30,6 @@ CFLAGS += -march=pentium-m
 # Use built-in run-parts instead of /bin/run-parts
 CFLAGS += -DBUILTIN_RUNPARTS
 
-# Listen to /dev/initctl to handle reboot requests
-CFLAGS += -DLISTEN_INITCTL
-
 #### End of configurable parameters
 
 

finit-alt.c

@@ -37,6 +37,7 @@ THE SOFTWARE.
 #include <sys/reboot.h>
 #include <sys/wait.h>
 #include <linux/fs.h>
+#include <utmp.h>
 
 #include "helpers.h"
 
@@ -54,6 +55,8 @@ THE SOFTWARE.
 #define REMOUNT_ROOTFS_RW
 #define MAKE_DEVICES
 #define PAM_CONSOLE
+#define LISTEN_INITCTL
+#define RUNLEVEL	5
 #else			/* original Eeepc distribution */
 #define RANDOMSEED	"/var/lib/urandom/random-seed"
 #define SYSROOT		"/mnt"
@@ -145,6 +148,9 @@ int main()
 	struct init_request req;
 	struct timespec timeout;
 #endif
+#ifdef RUNLEVEL
+	struct utmp entry;
+#endif
 
 	puts("finit-alt " VERSION " (built " __DATE__ " by " WHOAMI ")");
 
@@ -304,6 +310,15 @@ int main()
 	}
 
 	touch("/var/run/utmp");
+#ifdef RUNLEVEL
+	memset(&entry, 0, sizeof(struct utmp));
+	entry.ut_type = RUN_LVL;
+	entry.ut_pid = '0' + RUNLEVEL;
+	setutent();
+	pututline(&entry);
+	endutent();
+#endif
+
 	touch("/etc/resolvconf/run/enable-updates");
 
 	chdir("/etc/resolvconf/run/interface");