[src/trunk]: src/sys/kern define a copy of getnanotime() named dtrace_getnano...

[chs <chs%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/d9060e7afba0
branches:  trunk
changeset: 824567:d9060e7afba0
user:      chs <chs%NetBSD.org@localhost>
date:      Fri Jun 09 01:16:33 2017 +0000

description:
define a copy of getnanotime() named dtrace_getnanotime() so that
dtrace can know from the name that it should not allow setting
fbt probes on it.  needed by dtrace.

diffstat:

 sys/kern/kern_tc.c |  24 ++++++++++++++++++++----
 1 files changed, 20 insertions(+), 4 deletions(-)

diffs (52 lines):

diff -r a900e5a7c569 -r d9060e7afba0 sys/kern/kern_tc.c
--- a/sys/kern/kern_tc.c        Fri Jun 09 00:13:29 2017 +0000
+++ b/sys/kern/kern_tc.c        Fri Jun 09 01:16:33 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: kern_tc.c,v 1.46 2013/09/14 20:52:43 martin Exp $ */
+/* $NetBSD: kern_tc.c,v 1.47 2017/06/09 01:16:33 chs Exp $ */
 
 /*-
  * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -40,7 +40,7 @@
 
 #include <sys/cdefs.h>
 /* __FBSDID("$FreeBSD: src/sys/kern/kern_tc.c,v 1.166 2005/09/19 22:16:31 andre Exp $"); */
-__KERNEL_RCSID(0, "$NetBSD: kern_tc.c,v 1.46 2013/09/14 20:52:43 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_tc.c,v 1.47 2017/06/09 01:16:33 chs Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_ntp.h"
@@ -470,8 +470,8 @@
        bintime_add(bt, &timebasebin);
 }
 
-void
-getnanotime(struct timespec *tsp)
+static inline void
+dogetnanotime(struct timespec *tsp)
 {
        struct timehands *th;
        u_int gen;
@@ -485,6 +485,22 @@
 }
 
 void
+getnanotime(struct timespec *tsp)
+{
+
+       dogetnanotime(tsp);
+}
+
+void dtrace_getnanotime(struct timespec *tsp);
+
+void
+dtrace_getnanotime(struct timespec *tsp)
+{
+
+       dogetnanotime(tsp);
+}
+
+void
 getmicrotime(struct timeval *tvp)
 {
        struct timehands *th;