[src/trunk]: src/bin/sh Add jobs -Z (like in zsh(1)) to setproctitle(3).

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4c2e53da23fd
branches:  trunk
changeset: 1023512:4c2e53da23fd
user:      christos <christos%NetBSD.org@localhost>
date:      Sat Sep 11 20:43:32 2021 +0000

description:
Add jobs -Z (like in zsh(1)) to setproctitle(3).

diffstat:

 bin/sh/jobs.c |  22 +++++++++++++++++-----
 bin/sh/jobs.h |   3 ++-
 bin/sh/sh.1   |  11 ++++++++---
 3 files changed, 27 insertions(+), 9 deletions(-)

diffs (101 lines):

diff -r e6371407b87a -r 4c2e53da23fd bin/sh/jobs.c
--- a/bin/sh/jobs.c     Sat Sep 11 20:28:03 2021 +0000
+++ b/bin/sh/jobs.c     Sat Sep 11 20:43:32 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: jobs.c,v 1.110 2021/04/04 13:24:07 kre Exp $   */
+/*     $NetBSD: jobs.c,v 1.111 2021/09/11 20:43:32 christos Exp $      */
 
 /*-
  * Copyright (c) 1991, 1993
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "@(#)jobs.c     8.5 (Berkeley) 5/4/95";
 #else
-__RCSID("$NetBSD: jobs.c,v 1.110 2021/04/04 13:24:07 kre Exp $");
+__RCSID("$NetBSD: jobs.c,v 1.111 2021/09/11 20:43:32 christos Exp $");
 #endif
 #endif /* not lint */
 
@@ -550,11 +550,23 @@
        int mode, m;
 
        mode = 0;
-       while ((m = nextopt("lp")))
-               if (m == 'l')
+       while ((m = nextopt("lpZ")))
+               switch (m) {
+               case 'l':
                        mode = SHOW_PID;
-               else
+                       break;
+               case 'p':
                        mode = SHOW_PGID;
+                       break;
+               case 'Z':
+                       mode = SHOW_PROCTITLE;
+                       break;
+               }
+
+       if (mode == SHOW_PROCTITLE) {
+               setproctitle("%s", *argptr);
+               return 0;
+       }
 
        if (!iflag && !posix)
                mode |= SHOW_NO_FREE;
diff -r e6371407b87a -r 4c2e53da23fd bin/sh/jobs.h
--- a/bin/sh/jobs.h     Sat Sep 11 20:28:03 2021 +0000
+++ b/bin/sh/jobs.h     Sat Sep 11 20:43:32 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: jobs.h,v 1.24 2021/04/04 13:24:07 kre Exp $    */
+/*     $NetBSD: jobs.h,v 1.25 2021/09/11 20:43:32 christos Exp $       */
 
 /*-
  * Copyright (c) 1991, 1993
@@ -49,6 +49,7 @@
 #define        SHOW_SIGNALLED  0x10    /* only if stopped/exited on signal */
 #define        SHOW_ISSIG      0x20    /* job was signalled */
 #define        SHOW_NO_FREE    0x40    /* do not free job */
+#define        SHOW_PROCTITLE  0x80    /* set the process title */
 
 
 /*
diff -r e6371407b87a -r 4c2e53da23fd bin/sh/sh.1
--- a/bin/sh/sh.1       Sat Sep 11 20:28:03 2021 +0000
+++ b/bin/sh/sh.1       Sat Sep 11 20:43:32 2021 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: sh.1,v 1.229 2020/09/18 07:21:26 wiz Exp $
+.\"    $NetBSD: sh.1,v 1.230 2021/09/11 20:43:32 christos Exp $
 .\" Copyright (c) 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
 .\"
@@ -31,7 +31,7 @@
 .\"
 .\"    @(#)sh.1        8.6 (Berkeley) 5/4/95
 .\"
-.Dd September 18, 2020
+.Dd September 11, 2021
 .Dt SH 1
 .\" everything except c o and s (keep them ordered)
 .ds flags abCEeFfhIiLmnpquVvXx
@@ -2977,7 +2977,7 @@
 there is no process group leader (should not happen),
 and otherwise exits with status 0.
 .\"
-.It Ic jobs Oo Fl l Ns \&| Ns Fl p Oc Op Ar job ...
+.It Ic jobs Oo Fl l Ns \&| Ns Fl p \&| Fl Z Oc Op Ar job ...
 Without
 .Ar job
 arguments,
@@ -3005,6 +3005,11 @@
 flag, the output contains only the process identifier of the lead
 process.
 .Pp
+With the
+.Fl Z
+flag, the process command line is set using
+.Xr setproctitle 3 .
+.Pp
 In an interactive shell, each job shown as completed in the output
 from the jobs command is implicitly waited for, and is removed from
 the jobs table, never to be seen again.