[src/trunk]: src BUILDINFO part 2: expose sysctl kern.buildinfo

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

details:   https://anonhg.NetBSD.org/src/rev/970e76f9adca
branches:  trunk
changeset: 797904:970e76f9adca
user:      apb <apb%NetBSD.org@localhost>
date:      Sun Aug 03 09:15:21 2014 +0000

description:
BUILDINFO part 2: expose sysctl kern.buildinfo

diffstat:

 share/man/man7/sysctl.7 |   8 ++++++--
 sys/kern/init_sysctl.c  |  23 +++++++++++++++--------
 sys/sys/systm.h         |   3 ++-
 3 files changed, 23 insertions(+), 11 deletions(-)

diffs (104 lines):

diff -r 8d52f054b4d5 -r 970e76f9adca share/man/man7/sysctl.7
--- a/share/man/man7/sysctl.7   Sun Aug 03 09:13:11 2014 +0000
+++ b/share/man/man7/sysctl.7   Sun Aug 03 09:15:21 2014 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: sysctl.7,v 1.84 2014/07/17 13:42:02 njoly Exp $
+.\"    $NetBSD: sysctl.7,v 1.85 2014/08/03 09:15:21 apb Exp $
 .\"
 .\" Copyright (c) 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"    @(#)sysctl.3    8.4 (Berkeley) 5/9/95
 .\"
-.Dd July 17, 2014
+.Dd August 3, 2014
 .Dt SYSCTL 7
 .Os
 .Sh NAME
@@ -280,6 +280,7 @@
 .It kern.argmax        integer no
 .It kern.boothowto     integer no
 .It kern.boottime      struct timeval  no
+.It kern.buildinfo     string  no
 .\".It kern.bufq       node    not applicable
 .It kern.ccpu  integer no
 .It kern.clockrate     struct clockinfo        no
@@ -398,6 +399,9 @@
 .Vt struct timeval
 structure is returned.
 This structure contains the time that the system was booted.
+.It Li kern.buildinfo
+When the kernel is built, the build environment may optionally provide
+arbitrary information to be stored in this variable.
 .\" .It Li kern.bufq
 .\" XXX: Undocumented.
 .It Li kern.ccpu ( KERN_CCPU )
diff -r 8d52f054b4d5 -r 970e76f9adca sys/kern/init_sysctl.c
--- a/sys/kern/init_sysctl.c    Sun Aug 03 09:13:11 2014 +0000
+++ b/sys/kern/init_sysctl.c    Sun Aug 03 09:15:21 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: init_sysctl.c,v 1.203 2014/05/08 08:21:53 hannken Exp $ */
+/*     $NetBSD: init_sysctl.c,v 1.204 2014/08/03 09:15:21 apb Exp $ */
 
 /*-
  * Copyright (c) 2003, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: init_sysctl.c,v 1.203 2014/05/08 08:21:53 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: init_sysctl.c,v 1.204 2014/08/03 09:15:21 apb Exp $");
 
 #include "opt_sysv.h"
 #include "opt_compat_netbsd.h"
@@ -610,6 +610,19 @@
                       "it doesn't"),
                       NULL, 1, NULL, 0,
                       CTL_KERN, CTL_CREATE, CTL_EOL);
+       sysctl_createv(clog, 0, NULL, NULL,
+                       CTLFLAG_PERMANENT,
+                       CTLTYPE_STRING, "configname",
+                       SYSCTL_DESCR("Name of config file"),
+                       NULL, 0, __UNCONST(kernel_ident), 0,
+                       CTL_KERN, CTL_CREATE, CTL_EOL);
+       sysctl_createv(clog, 0, NULL, NULL,
+                       CTLFLAG_PERMANENT,
+                       CTLTYPE_STRING, "buildinfo",
+                       SYSCTL_DESCR("Information from build environment"),
+                       NULL, 0, __UNCONST(buildinfo), 0,
+                       CTL_KERN, CTL_CREATE, CTL_EOL);
+
        /* kern.posix. */
        sysctl_createv(clog, 0, NULL, &rnode,
                        CTLFLAG_PERMANENT,
@@ -623,12 +636,6 @@
                        SYSCTL_DESCR("Maximal number of semaphores"),
                        NULL, 0, &ksem_max, 0,
                        CTL_CREATE, CTL_EOL);
-       sysctl_createv(clog, 0, NULL, NULL,
-                       CTLFLAG_PERMANENT,
-                       CTLTYPE_STRING, "configname",
-                       SYSCTL_DESCR("Name of config file"),
-                       NULL, 0, __UNCONST(kernel_ident), 0,
-                       CTL_KERN, CTL_CREATE, CTL_EOL);
 }
 
 SYSCTL_SETUP(sysctl_hw_setup, "sysctl hw subtree setup")
diff -r 8d52f054b4d5 -r 970e76f9adca sys/sys/systm.h
--- a/sys/sys/systm.h   Sun Aug 03 09:13:11 2014 +0000
+++ b/sys/sys/systm.h   Sun Aug 03 09:15:21 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: systm.h,v 1.264 2014/07/17 14:55:32 riastradh Exp $    */
+/*     $NetBSD: systm.h,v 1.265 2014/08/03 09:15:21 apb Exp $  */
 
 /*-
  * Copyright (c) 1982, 1988, 1991, 1993
@@ -73,6 +73,7 @@
 extern const char ostype[];    /* system type */
 extern const char kernel_ident[];/* kernel configuration ID */
 extern const char version[];   /* system version */
+extern const char buildinfo[]; /* infomation from build environment */
 
 extern int autonicetime;        /* time (in seconds) before autoniceval */
 extern int autoniceval;         /* proc priority after autonicetime */