Aren/NetBSD
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add a basic "-b" option - that outputs one display and exits.

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inspired by "top -b".  still requires a curses-capable output
without some fairly significant internal restructuring.
This commit is contained in:
mrg 2016-12-03 03:26:27 +00:00
parent 2de9513676
commit 15bdea6a19
2 changed files with 22 additions and 8 deletions
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17
usr.bin/systat/main.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: main.c,v 1.50 2016/10/22 22:02:55 christos Exp $ */
/* $NetBSD: main.c,v 1.51 2016/12/03 03:26:27 mrg Exp $ */
/*-
* Copyright (c) 1980, 1992, 1993
@ -36,7 +36,7 @@ __COPYRIGHT("@(#) Copyright (c) 1980, 1992, 1993\
#if 0
static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/6/93";
#endif
__RCSID("$NetBSD: main.c,v 1.50 2016/10/22 22:02:55 christos Exp $");
__RCSID("$NetBSD: main.c,v 1.51 2016/12/03 03:26:27 mrg Exp $");
#endif /* not lint */
#include <sys/param.h>
@ -96,6 +96,7 @@ main(int argc, char **argv)
const char *all;
struct clockinfo clk;
size_t len;
int bflag = 0;
all = "all";
egid = getegid();
@ -120,6 +121,9 @@ main(int argc, char **argv)
if ((turns = atoi(optarg)) <= 0)
errx(1, "turns <= 0.");
break;
case 'b':
bflag = !bflag;
break;
case '?':
default:
usage();
@ -226,9 +230,12 @@ main(int argc, char **argv)
dellave = 0.0;
display(0);
noecho();
cbreak();
keyboard();
if (!bflag) {
noecho();
cbreak();
keyboard();
} else
die(0);
/*NOTREACHED*/
}

13
usr.bin/systat/systat.1
View File

@ -1,4 +1,4 @@
.\" $NetBSD: systat.1,v 1.46 2016/08/03 13:09:43 wiz Exp $
.\" $NetBSD: systat.1,v 1.47 2016/12/03 03:26:27 mrg Exp $
.\"
.\" Copyright (c) 1985, 1990, 1993
.\" The Regents of the University of California. All rights reserved.
@ -29,7 +29,7 @@
.\"
.\" @(#)systat.1 8.2 (Berkeley) 12/30/93
.\"
.Dd August 2, 2016
.Dd November 16, 2016
.Dt SYSTAT 1
.Os
.Sh NAME
@ -37,7 +37,7 @@
.Nd display system statistics in a full-screen view
.Sh SYNOPSIS
.Nm
.Op Fl n
.Op Fl bn
.Op Fl M Ar core
.Op Fl N Ar system
.Op Fl t Ar turns
@ -94,6 +94,8 @@ Extract the name list from
.Ar system
instead of the default
.Pa /netbsd .
.It Fl b
Show the chosen display once and exit.
.It Fl n
Do not resolve IP addresses into string hostnames
.Pq FQDNs
@ -626,3 +628,8 @@ The
.Ic vmstat
display looks out of place because it is (it was added in as
a separate display from what used to be a different program).
.Pp
The
.Fl b
option requires a real terminal and could be converted to
simply output to standard output.