UTMP: Only account for getty processes

This patch removes accounting for all processes to instead implement the
traditional SysV getty accounting.  (Telnet/SSH et al maintain their own
accounding for UTMP.)

TODO: WTMP support

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

tty.c

@@ -31,6 +31,7 @@
 #include "conf.h"
 #include "helpers.h"
 #include "tty.h"
+#include "utmp-api.h"
 
 LIST_HEAD(, tty_node) tty_list = LIST_HEAD_INITIALIZER();
 
@@ -198,6 +199,9 @@ int tty_respawn(pid_t pid)
 	if (!entry)
 		return 0;
 
+	/* Set DEAD_PROCESS UTMP entry */
+	utmp_set_dead(pid);
+
 	/* Clear PID to be able to respawn it. */
 	entry->data.pid = 0;