[src/trunk]: src Clean-up resources (sys/sys/resource.h) usage

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

details:   https://anonhg.NetBSD.org/src/rev/09eadd2857df
branches:  trunk
changeset: 339298:09eadd2857df
user:      kamil <kamil%NetBSD.org@localhost>
date:      Sat Jul 11 09:21:22 2015 +0000

description:
Clean-up resources (sys/sys/resource.h) usage

Add vmemoryuse to login_cap(3)
Document vmemoryuse in login.conf(5)
Document proc.pid.rlimit.vmemoryuse and proc.pid.rlimit.maxlwp in sysctl(7)
Document SBSIZE, AS, VMEM and NTHR in share/doc/psd/05.sysman/1.6.t

Reviewed by <riastradh>
Approved by <pgoyette>

Tested by Dominik Bialy

Closes PR xsrc/49912

diffstat:

 lib/libutil/login_cap.c       |  5 +++--
 share/doc/psd/05.sysman/1.6.t |  6 +++++-
 share/man/man5/login.conf.5   |  6 +++++-
 share/man/man7/sysctl.7       |  8 +++++++-
 4 files changed, 20 insertions(+), 5 deletions(-)

diffs (88 lines):

diff -r 391a988e1ab0 -r 09eadd2857df lib/libutil/login_cap.c
--- a/lib/libutil/login_cap.c   Sat Jul 11 07:43:32 2015 +0000
+++ b/lib/libutil/login_cap.c   Sat Jul 11 09:21:22 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: login_cap.c,v 1.31 2013/06/29 04:52:55 yamt Exp $      */
+/*     $NetBSD: login_cap.c,v 1.32 2015/07/11 09:21:22 kamil Exp $     */
 
 /*-
  * Copyright (c) 1995,1997 Berkeley Software Design, Inc. All rights reserved.
@@ -36,7 +36,7 @@
 
 #include <sys/cdefs.h>
 #if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: login_cap.c,v 1.31 2013/06/29 04:52:55 yamt Exp $");
+__RCSID("$NetBSD: login_cap.c,v 1.32 2015/07/11 09:21:22 kamil Exp $");
 #endif /* LIBC_SCCS and not lint */
  
 #include <sys/types.h>
@@ -424,6 +424,7 @@
        { RLIMIT_NOFILE,        R_CNUMB, "openfiles", },
        { RLIMIT_CORE,          R_CSIZE, "coredumpsize", },
        { RLIMIT_SBSIZE,        R_CSIZE, "sbsize", },
+       { RLIMIT_AS,            R_CSIZE, "vmemoryuse", },
        { -1, 0, 0 }
 };
 
diff -r 391a988e1ab0 -r 09eadd2857df share/doc/psd/05.sysman/1.6.t
--- a/share/doc/psd/05.sysman/1.6.t     Sat Jul 11 07:43:32 2015 +0000
+++ b/share/doc/psd/05.sysman/1.6.t     Sat Jul 11 09:21:22 2015 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: 1.6.t,v 1.5 2013/10/06 05:45:19 dholland Exp $
+.\"    $NetBSD: 1.6.t,v 1.6 2015/07/11 09:21:23 kamil Exp $
 .\"
 .\" Copyright (c) 1983, 1993, 1994
 .\"    The Regents of the University of California.  All rights reserved.
@@ -133,6 +133,10 @@
 RLIMIT_MEMLOCK /* locked-in-memory address space */
 RLIMIT_NPROC   /* number of processes */
 RLIMIT_NOFILE  /* number of open files */
+RLIMIT_SBSIZE  /* maximum size of all socket buffers */
+RLIMIT_AS      /* virtual process size (inclusive of mmap) */
+RLIMIT_VMEM    /* alias of RLIMIT_AS */
+RLIMIT_NTHR    /* number of threads */
 .TE
 .DE
 .ne 1i
diff -r 391a988e1ab0 -r 09eadd2857df share/man/man5/login.conf.5
--- a/share/man/man5/login.conf.5       Sat Jul 11 07:43:32 2015 +0000
+++ b/share/man/man5/login.conf.5       Sat Jul 11 09:21:22 2015 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: login.conf.5,v 1.28 2013/06/29 08:14:31 wiz Exp $
+.\"    $NetBSD: login.conf.5,v 1.29 2015/07/11 09:21:23 kamil Exp $
 .\"
 .\" Copyright (c) 1995,1996,1997 Berkeley Software Design, Inc.
 .\" All rights reserved.
@@ -271,6 +271,10 @@
 .Xr umask 2 .
 .\"
 .sp
+.It Sy vmemoryuse Ta size Ta "" Ta
+Maximum virtual address space size in bytes.
+.\"
+.sp
 .It Sy welcome Ta file Ta Li /etc/motd Ta
 File containing welcome message.
 .Xr login 1
diff -r 391a988e1ab0 -r 09eadd2857df share/man/man7/sysctl.7
--- a/share/man/man7/sysctl.7   Sat Jul 11 07:43:32 2015 +0000
+++ b/share/man/man7/sysctl.7   Sat Jul 11 09:21:22 2015 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: sysctl.7,v 1.87 2015/05/27 07:52:02 matt Exp $
+.\"    $NetBSD: sysctl.7,v 1.88 2015/07/11 09:21:23 kamil Exp $
 .\"
 .\" Copyright (c) 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -2049,6 +2049,12 @@
 and
 .Dv SO_SNDBUF
 options.
+.It Li proc.pid.rlimit.vmemoryuse ( PROC_PID_LIMIT_AS )
+The maximum size (in bytes) which a process can obtain.
+.It Li proc.pid.rlimit.maxlwp ( PROC_PID_LIMIT_NTHR )
+The maximum number of threads that cen be created and running at one time in
+the process.
+The first thread of each process is not counted against this.
 .El
 .Pp
 The fifth level name is one of