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Date:      Tue, 13 Mar 2018 18:30:26 +0000 (UTC)
From:      John Baldwin <jhb@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r330872 - head/bin/ps
Message-ID:  <201803131830.w2DIUQLH066553@repo.freebsd.org>

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Author: jhb
Date: Tue Mar 13 18:30:26 2018
New Revision: 330872
URL: https://svnweb.freebsd.org/changeset/base/330872

Log:
  Add a "jail" keyword to list the name of a jail rather than its ID.
  
  Inspired by:	mwlucas
  Reviewed by:	jamie
  MFC after:	1 week
  Differential Revision:	https://reviews.freebsd.org/D14683

Modified:
  head/bin/ps/extern.h
  head/bin/ps/keyword.c
  head/bin/ps/print.c
  head/bin/ps/ps.1

Modified: head/bin/ps/extern.h
==============================================================================
--- head/bin/ps/extern.h	Tue Mar 13 18:27:23 2018	(r330871)
+++ head/bin/ps/extern.h	Tue Mar 13 18:30:26 2018	(r330872)
@@ -55,6 +55,7 @@ char	 *emulname(KINFO *, VARENT *);
 VARENT	*find_varentry(VAR *);
 const	 char *fmt_argv(char **, char *, char *, size_t);
 double	 getpcpu(const KINFO *);
+char	 *jailname(KINFO *, VARENT *);
 char	 *kvar(KINFO *, VARENT *);
 char	 *label(KINFO *, VARENT *);
 char	 *loginclass(KINFO *, VARENT *);

Modified: head/bin/ps/keyword.c
==============================================================================
--- head/bin/ps/keyword.c	Tue Mar 13 18:27:23 2018	(r330871)
+++ head/bin/ps/keyword.c	Tue Mar 13 18:30:26 2018	(r330872)
@@ -108,6 +108,7 @@ static VAR var[] = {
 	{"inblk", "INBLK", NULL, "read-blocks", USER, rvar, ROFF(ru_inblock),
 	    LONG, "ld", 0},
 	{"inblock", "", "inblk", NULL, 0, NULL, 0, CHAR, NULL, 0},
+	{"jail", "JAIL", NULL, "jail-name", LJUST, jailname, 0, CHAR, NULL, 0},
 	{"jid", "JID", NULL, "jail-id", 0, kvar, KOFF(ki_jid), INT, "d", 0},
 	{"jobc", "JOBC", NULL, "job-control-count", 0, kvar, KOFF(ki_jobc),
 	    SHORT, "d", 0},

Modified: head/bin/ps/print.c
==============================================================================
--- head/bin/ps/print.c	Tue Mar 13 18:27:23 2018	(r330871)
+++ head/bin/ps/print.c	Tue Mar 13 18:30:26 2018	(r330872)
@@ -51,6 +51,7 @@ __FBSDID("$FreeBSD$");
 
 #include <err.h>
 #include <grp.h>
+#include <jail.h>
 #include <langinfo.h>
 #include <locale.h>
 #include <math.h>
@@ -839,4 +840,17 @@ loginclass(KINFO *k, VARENT *ve __unused)
 		return (strdup("-"));
 	}
 	return (strdup(k->ki_p->ki_loginclass));
+}
+
+char *
+jailname(KINFO *k, VARENT *ve __unused)
+{
+	char *name;
+
+	if (k->ki_p->ki_jid == 0)
+		return (strdup("-"));
+	name = jail_getname(k->ki_p->ki_jid);
+	if (name == NULL)
+		return (strdup("-"));
+	return (name);
 }

Modified: head/bin/ps/ps.1
==============================================================================
--- head/bin/ps/ps.1	Tue Mar 13 18:27:23 2018	(r330871)
+++ head/bin/ps/ps.1	Tue Mar 13 18:30:26 2018	(r330872)
@@ -29,7 +29,7 @@
 .\"     @(#)ps.1	8.3 (Berkeley) 4/18/94
 .\" $FreeBSD$
 .\"
-.Dd January 23, 2018
+.Dd March 13, 2018
 .Dt PS 1
 .Os
 .Sh NAME
@@ -576,6 +576,8 @@ group name (from egid) (alias
 .It Cm inblk
 total blocks read (alias
 .Cm inblock )
+.It Cm jail
+jail name
 .It Cm jid
 jail ID
 .It Cm jobc



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