Add KERN_FILE2 sysctl analogous to KERN_PROC2 but for file structures,

along with vnode type-specific info to make it more useful for fstat(1).
OK deraadt@

1 files changed, 12 insertions, 2 deletions

diff --git a/lib/libc/gen/sysctl.3 b/lib/libc/gen/sysctl.3
index 51840ae3878..89f568b4d95 100644
--- a/lib/libc/gen/sysctl.3
+++ b/lib/libc/gen/sysctl.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: sysctl.3,v 1.185 2008/12/23 09:57:55 jmc Exp $
+.\"	$OpenBSD: sysctl.3,v 1.186 2009/06/07 03:07:19 millert Exp $
 .\"
 .\" Copyright (c) 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -27,7 +27,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: December 23 2008 $
+.Dd $Mdocdate: June 7 2009 $
 .Dt SYSCTL 3
 .Os
 .Sh NAME
@@ -412,6 +412,7 @@ information.
 .It Dv KERN_DOMAINNAME No "	string	yes"
 .It Dv KERN_EMUL No "	node	not applicable"
 .It Dv KERN_FILE No "	struct file	no"
+.It Dv KERN_FILE2 No "	struct kinfo_file2	no"
 .It Dv KERN_FORKSTAT No "	struct forkstat	no"
 .It Dv KERN_FSCALE No "	integer	no"
 .It Dv KERN_FSYNC No "	integer	no"
@@ -547,6 +548,15 @@ The returned data consists of a single
 followed by an array of
 .Li struct file ,
 whose size depends on the current number of such objects in the system.
+.It Dv KERN_FILE2
+Like
+.Dv KERN_FILE
+but an array of
+.Li struct kinfo_file2
+structures is returned.
+The fifth level name is the size of the
+.Li struct kinfo_file2
+and the sixth level name is the number of structures to return.
 .It Dv KERN_FORKSTAT
 A
 .Li struct forkstat