Re: mtv leaves a zombie after exit

On Mon, May 12, 2003 at 22:13 -0700, Terry Lambert wrote:
> 
> A "ps -gaxl" will print the wait channel, which may be more
> informative.

Out of curiousity:  What is the -g switch doing?  `man ps` does
not list it (yes, I had my pager search for "-g", it's not just
the synopsis).

-------- 8< -------- snip snip -------- >8 --------
$ gunzip < /usr/share/man/man1/ps.1.gz | ident -
     $FreeBSD: src/bin/ps/ps.1,v 1.61 2003/04/30 19:18:50 schweikh Exp $
$ man ps
PS(1)                   FreeBSD General Commands Manual                  PS(1)

NAME
     ps -- process status

SYNOPSIS
     ps [-aCcefhjlmrSTuvwxZ] [-M core] [-N system] [-O fmt] [-o fmt] [-p pid]
        [-t tty] [-U username[,username...]]
     ps [-L]

DESCRIPTION
     ...
-------- 8< -------- snip snip -------- >8 --------

Looking at the source (local, considered to be up to date) I saw this:

-------- 8< -------- snip snip -------- >8 --------
$ ident ps.c
     $FreeBSD: src/bin/ps/ps.c,v 1.62 2003/02/05 13:18:17 charnier Exp $
$ $PAGER ps.c
...
        while ((ch = getopt(argc, argv, PS_ARGS)) != -1)
                switch((char)ch) {
                case 'a':
                        all = 1;
                        break;
...
                case 'g':
                        break;                  /* no-op */
...
-------- 8< -------- snip snip -------- >8 --------

Is the -g option there for compatibility reasons?  Should the
manpage state this fact?  BTW is `cvs log ps.c | grep -e -g`
empty, too.


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