The variable doesn't exist anymore.
-p.
Index: Makefile
===================================================================
RCS file: /cvs/src/share/man/man9/Makefile,v
retrieving revision 1.2
diff -u -p -r1.2 Makefile
--- Makefile 26 Dec 2008 18:51:03 -0000 1.2
+++ Makefile 15 Aug 2009 09:24:50 -0000
@@ -288,7 +288,7 @@ MLINKS+=sysctl_int.9 sysctl_int_arr.9 sy
sysctl_int.9 sysctl_struct.9 sysctl_int.9 ctlname.9
MLINKS+=systrace.9 systrace_redirect.9 \
systrace.9 systrace_fork.9 systrace.9 systrace_exit.9
-MLINKS+=time.9 boottime.9 time.9 mono_time.9 time.9 runtime.9
+MLINKS+=time.9 boottime.9 time.9 mono_time.9
MLINKS+=timeout.9 timeout_add.9 timeout.9 timeout_set.9 \
timeout.9 timeout_pending.9 timeout.9 timeout_del.9 \
timeout.9 timeout_initialized.9 timeout.9 untimeout.9 \
Index: time.9
===================================================================
RCS file: /cvs/src/share/man/man9/time.9,v
retrieving revision 1.1.1.1
diff -u -p -r1.1.1.1 time.9
--- time.9 26 Aug 2008 14:40:50 -0000 1.1.1.1
+++ time.9 15 Aug 2009 09:24:50 -0000
@@ -35,13 +35,11 @@
.Sh NAME
.Nm boottime ,
.Nm mono_time ,
-.Nm runtime ,
.Nm time
.Nd system time variables
.Sh SYNOPSIS
.Vt extern struct timeval boottime;
.Vt extern volatile struct timeval mono_time;
-.Vt extern struct timeval runtime;
.Vt extern volatile struct timeval time;
.Sh DESCRIPTION
The
@@ -65,20 +63,6 @@ with
.Xr settimeofday 2 .
.Pp
The
-.Va runtime
-variable holds the time that the system switched to the
-current process.
-It is set after each context switch,
-and is updated when the system time is adjusted with
-.Xr settimeofday 2 .
-Because
-.Va runtime
-is used for system accounting, it is set with the high-resolution
-.Xr microtime 9
-function, rather than being copied from
-.Va time .
-.Pp
-The
.Va mono_time
variable is a monotonically increasing system clock.
It is set from
@@ -98,8 +82,6 @@ or
because those variables are updated by
.Xr hardclock 9 .
.Va Boottime
-and
-.Va runtime
may be read and written without special precautions.
.Sh SEE ALSO
.Xr settimeofday 2 ,
@@ -107,13 +89,3 @@ may be read and written without special
.Xr hz 9 ,
.Xr inittodr 9 ,
.Xr microtime 9
-.Sh BUGS
-.Va Runtime
-should not be updated when the system time is
-changed with
-.Xr settimeofday 2 ,
-because it is used for resource accounting.
-.Pp
-The notion of having a single
-.Va runtime
-variable obviously won't be appropriate in multiprocessor systems.