Attachment 99637 Details for Bug 55370

shell code replacing pidof, checkproc, killproc

replacements.sh (text/plain), 1.97 KB, created by Peter Poeml on 2006-09-26 13:59:26 UTC

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Creator: Peter Poeml

Created: 2006-09-26 13:59:26 UTC

Size: 1.97 KB

patch

obsolete

>#!/bin/bash
>
># replacement for /sbin/pidof which works with lost NFS mounts
>pidof() {
>	local line psout pid pids rc
>
>	# ps itself doesn't take the full path
>	psout=$(ps -C $(basename $1))
>	rc=$?
>
>	if [ $rc != 0 ]; then
>		return $rc
>	fi
>
>	echo "$psout" | while read line; do
>		case "$line" in 
>		  PID*)	continue;;
>		esac
>
>		pid=${line%% *}
>
>		# commandline contains the full path to the executable
>		case $(</proc/$pid/cmdline) in 
>		  *$1*)	echo $pid 
>			;; 
>		esac
>	done
>
>	# we return 0 if only matches with differing path were found
>	# but then the output is empty, so it is sufficient in most cases
>	# if the 'while read' wouldn't be in a subshell, we could set an exit code...
>	return $rc
>}
>
>
># replacement for /sbin/checkproc which works with lost NFS mounts
>checkproc() {
>	local pidof_rc pidof_out killproc_mode pidfile prg supposed_pid
>
>	killproc_mode=false
>
>	while [[ $1 = -* ]]; do
>		case $1 in
>		  -k) killproc_mode=true;;
>		  -p) pidfile=$2
>		      shift
>		      ;;
>		esac
>		shift
>	done
>	prg=$1
>	
>	if [ -z "$pidfile" ]; then
>		pidfile=/var/run/$(basename $prg).pid
>	fi
>
>	# pidfile doesn't exist?
>	if $killproc_mode && [ ! -e $pidfile ]; then
>		return 7
>	fi
>
>	# pidfile exists...
>	if [ -e $pidfile ]; then
>		supposed_pid=$(<$pidfile)
>		# does the process exist?
>		if [ -d /proc/$supposed_pid ]; then
>			# does it match (somehow)?
>			case $(</proc/$pid/cmdline) in 
>			  *$prg*) return 0;;
>			esac
>		else
>			if ! $killproc_mode; then
>				return 0
>			else
>				return 7
>			fi
>		fi
>	fi
>
>	# if there is no pidfile, look for processes
>	pidof_out=$(pidof $prg 2>/dev/null)
>	pidof_rc=$?
>
>	if [ "$pidof_out" = "" ]; then
>		if $killproc_mode; then
>			return 7
>		else
>			return 3
>		fi
>	fi
>	if [ $pidof_rc != 0 ]; then
>		return 3
>	fi
>
>	return 0
>}
>
># simple replacement for /sbin/killproc which works with lost NFS mounts
>killproc() {
>
>	local signal prg
>
>	# default
>	signal="-TERM"
>
>	while [[ $1 = -* ]]; do
>		signal=$1
>		shift
>	done
>	prg=$1
>
>	rc=1
>	for i in $(pidof $prg); do
>		kill $signal $i
>		rc=0
>	done
>
>	return $rc
>}

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Attachments on bug 55370: 99637