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Use tty "?" to select processes with no controlling tty and tty "-" to

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select processes with a revoked controlling tty.

Idea from SunOS/Solaris, suggested by Alexis Rosen.
This commit is contained in:
simonb 2000-04-15 04:40:46 +00:00
parent e465cebbfc
commit 8384a1bbb8
2 changed files with 19 additions and 10 deletions
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6
bin/ps/ps.1
View File

@ -1,4 +1,4 @@
.\" $NetBSD: ps.1,v 1.35 2000/04/10 06:37:37 chs Exp $
.\" $NetBSD: ps.1,v 1.36 2000/04/15 04:40:46 simonb Exp $
.\"
.\" Copyright (c) 1980, 1990, 1991, 1993, 1994
.\" The Regents of the University of California. All rights reserved.
@ -165,7 +165,9 @@ Display information about processes attached to the device associated
with the standard input.
.It Fl t
Display information about processes attached to the specified terminal
device.
device. Use an question mark (``?'') for processes not attached to a
terminal device and a minus sign (``-'') for processes that have
been revoked from their terminal device.
.It Fl U
Displays processes belonging to the user whose username or uid has
been given to the

23
bin/ps/ps.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: ps.c,v 1.35 2000/04/10 06:37:37 chs Exp $ */
/* $NetBSD: ps.c,v 1.36 2000/04/15 04:40:46 simonb Exp $ */
/*-
* Copyright (c) 1990, 1993, 1994
@ -43,7 +43,7 @@ __COPYRIGHT("@(#) Copyright (c) 1990, 1993, 1994\n\
#if 0
static char sccsid[] = "@(#)ps.c 8.4 (Berkeley) 4/2/94";
#else
__RCSID("$NetBSD: ps.c,v 1.35 2000/04/10 06:37:37 chs Exp $");
__RCSID("$NetBSD: ps.c,v 1.36 2000/04/15 04:40:46 simonb Exp $");
#endif
#endif /* not lint */
@ -218,19 +218,26 @@ main(argc, argv)
struct stat sb;
char *ttypath, pathbuf[MAXPATHLEN];
if (strcmp(ttname, "co") == 0)
flag = 0;
if (strcmp(ttname, "?") == 0)
flag = KERN_PROC_TTY_NODEV;
else if (strcmp(ttname, "-") == 0)
flag = KERN_PROC_TTY_REVOKE;
else if (strcmp(ttname, "co") == 0)
ttypath = _PATH_CONSOLE;
else if (*ttname != '/')
(void)snprintf(ttypath = pathbuf,
sizeof(pathbuf), "%s%s", _PATH_TTY, ttname);
else
ttypath = ttname;
if (stat(ttypath, &sb) == -1)
err(1, "%s", ttypath);
if (!S_ISCHR(sb.st_mode))
errx(1, "%s: not a terminal", ttypath);
what = KERN_PROC_TTY;
flag = sb.st_rdev;
if (flag == 0) {
if (stat(ttypath, &sb) == -1)
err(1, "%s", ttypath);
if (!S_ISCHR(sb.st_mode))
errx(1, "%s: not a terminal", ttypath);
flag = sb.st_rdev;
}
break;
}
case 'U':