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For processes with no controlling terminal, display "-" in the TTY column

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instead of "?".

Submitted by:	arundel
This commit is contained in:
Edward Tomasz Napierala 2011-10-30 15:21:27 +00:00
parent 8d5eb1c4c8
commit aa7a15b6bb
2 changed files with 8 additions and 4 deletions
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6
bin/ps/print.c
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@ -362,7 +362,7 @@ tdev(KINFO *k, VARENT *ve)
v = ve->var;
dev = k->ki_p->ki_tdev;
if (dev == NODEV)
str = strdup("??");
str = strdup("-");
else
asprintf(&str, "%#jx", (uintmax_t)dev);
@ -379,7 +379,7 @@ tname(KINFO *k, VARENT *ve)
v = ve->var;
dev = k->ki_p->ki_tdev;
if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
str = strdup("?? ");
str = strdup("- ");
else {
if (strncmp(ttname, "tty", 3) == 0 ||
strncmp(ttname, "cua", 3) == 0)
@ -403,7 +403,7 @@ longtname(KINFO *k, VARENT *ve)
v = ve->var;
dev = k->ki_p->ki_tdev;
if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
ttname = "??";
ttname = "-";
return (strdup(ttname));
}

6
bin/ps/ps.1
View File

@ -29,7 +29,7 @@
.\" @(#)ps.1 8.3 (Berkeley) 4/18/94
.\" $FreeBSD$
.\"
.Dd October 1, 2011
.Dd October 30, 2011
.Dt PS 1
.Os
.Sh NAME
@ -437,6 +437,10 @@ This is followed by a
.Ql -
if the process can no longer reach that
controlling terminal (i.e., it has been revoked).
A
.Ql -
without a preceding two letter abbreviation or pseudo-terminal device number
indicates a process which never had a controlling terminal.
The full pathname of the controlling terminal is available via the
.Cm tty
keyword.