Attachment 3213 Details for Bug 18436 – limited v1

limited v1

limited (text/plain), 3.35 KB, created by Alexey Gladkov on 2009-01-14 14:14:02 MSK

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Creator: Alexey Gladkov

Created: 2009-01-14 14:14:02 MSK

Size: 3.35 KB

patch

obsolete

>#!/bin/sh -efu
>#
># Copyright (C) 2008  Alexey Gladkov <legion@altlinux.org>
># Copyright (C) 2008  Dmitry V. Levin <ldv@altlinux.org>
>#
># Run program with limited resources
>#
># This program is free software; you can redistribute it and/or modify
># it under the terms of the GNU General Public License as published by
># the Free Software Foundation; either version 2 of the License, or
># (at your option) any later version.
>#
># This program is distributed in the hope that it will be useful,
># but WITHOUT ANY WARRANTY; without even the implied warranty of
># MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
># GNU General Public License for more details.
>#
># You should have received a copy of the GNU General Public License
># along with this program; if not, write to the Free Software
># Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
>
>. shell-error
>. shell-args
>
>show_help()
>{
>	cat <<EOF
>limited - run program with limited resources.
>
>Usage: $PROG [options] [--] [command [arg]...]
>
>Options:
>  -n, --name=NAME   apply limits configured for this program name;
>  -V, --version     print program version and exit;
>  -h, --help        show this text and exit.
>
>Report bugs to http://bugzilla.altlinux.org/
>
>EOF
>	exit
>}
>
>print_version()
>{
>	cat <<EOF
>$PROG version @VERSION@
>Written by Alexey Gladkov <legion@altlinux.org>
>
>Copyright (C) 2008  Alexey Gladkov <legion@altlinux.org>
>Copyright (C) 2008  Dmitry V. Levin <ldv@altlinux.org>
>This is free software; see the source for copying conditions.  There is NO
>warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>EOF
>	exit
>}
>
>TEMP=`getopt -n $PROG -o "n:,$getopt_common_opts" -l "name:,$getopt_common_longopts" -- "$@"` ||
>	show_usage
>eval set -- "$TEMP"
>
>progname=
>while :; do
>	case "$1" in
>		-n|--name) shift; progname="$1"
>			;;
>		--) shift; break
>			;;
>		*) parse_common_option "$1"
>			;;
>	esac
>	shift
>done
>
>[ "$#" -gt 0 ] ||
>	show_usage 'Insufficient arguments.'
>
>[ -n "$progname" ] ||
>	progname="${1##*/}"
>
>for conf in /etc/sysconfig/limits "/etc/sysconfig/limits.d/$progname"; do
>	[ ! -s "$conf" ] || . "$conf"
>done
>
># The same as /usr/bin/which - in order to make "which" available before
># /usr is mounted
>absolute()
>{
>	local IFS=:
>	for i in $PATH; do
>		[ -x "$i/$1" ] ||
>			continue
>		printf '%s' "$i/$1"
>		return 0
>	done
>	return 1
>}
>
>set_ulimit() {
>	local opt="$1" name="$2"
>	local prev_slimit prev_hlimit slimit hlimit
>
>	prev_slimit="$(ulimit -S$opt)"
>	prev_hlimit="$(ulimit -H$opt)"
>
>	eval "slimit=\"\${RLIMIT_SOFT_$name:-$prev_slimit}\";
>	      hlimit=\"\${RLIMIT_HARD_$name:-$prev_hlimit}\";"
>
>	{ ulimit -H$opt $hlimit && ulimit -S$opt $slimit; } 2>/dev/null ||
>	{ ulimit -S$opt $slimit && ulimit -H$opt $hlimit; } 2>/dev/null ||
>		fatal "$name: Unable set ulimit."
>}
>
>for p in \
>	c:CORE \
>	d:DATA \
>	e:NICE \
>	f:FSIZE \
>	i:SIGPENDING \
>	l:MEMLOCK \
>	m:RSS \
>	n:NOFILE \
>	q:MSGQUEUE \
>	r:RTPRIO \
>	s:STACK \
>	t:CPU \
>	u:NPROC \
>	v:AS \
>	x:LOCKS \
>	;
>do
>	# Attention: ulimit options are shell-specific.
>	set_ulimit "${p%:*}" "${p#*:}"
>done
>
>cmd=
>if [ -n "${NICE_PRIORITY-}" ] && nice_cmd="$(absolute nice)"; then
>	$nice_cmd -n "$NICE_PRIORITY" true 2>/dev/null &&
>		cmd="$nice_cmd -n $NICE_PRIORITY --"
>fi
>
>if [ -n "${IONICE_PRIORITY-}" ] && ionice_cmd="$(absolute ionice)"; then
>	$ionice_cmd -t -c $IONICE_PRIORITY true 2>/dev/null &&
>		cmd="$cmd $ionice_cmd -t -c $IONICE_PRIORITY --"
>fi
>
>exec $cmd "$@"

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