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: /snap/core22/1722/lib/lsb/ [ drwxr-xr-x ]
name : init-functions # /lib/lsb/init-functions for Debian -*- shell-script -*- # #Copyright (c) 2002-08 Chris Lawrence #All rights reserved. # #Redistribution and use in source and binary forms, with or without #modification, are permitted provided that the following conditions #are met: #1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. #2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. #3. Neither the name of the author nor the names of other contributors # may be used to endorse or promote products derived from this software # without specific prior written permission. # #THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR #IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED #WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE #ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE #LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR #CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF #SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR #BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, #WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE #OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, #EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. start_daemon () { local force nice pidfile exec args OPTIND force="" nice=0 pidfile=/dev/null OPTIND=1 while getopts fn:p: opt ; do case "$opt" in f) force="force";; n) nice="$OPTARG";; p) pidfile="$OPTARG";; esac done shift $(($OPTIND - 1)) if [ "$1" = '--' ]; then shift fi exec="$1"; shift args="--start --nicelevel $nice --quiet --oknodo" if [ "$force" ]; then /sbin/start-stop-daemon $args \ --chdir "$PWD" --startas $exec --pidfile /dev/null -- "$@" elif [ $pidfile ]; then /sbin/start-stop-daemon $args \ --chdir "$PWD" --exec $exec --oknodo --pidfile "$pidfile" -- "$@" else /sbin/start-stop-daemon $args --chdir "$PWD" --exec $exec -- "$@" fi } pidofproc () { local pidfile base status specified pid OPTIND pidfile= specified= OPTIND=1 while getopts p: opt ; do case "$opt" in p) pidfile="$OPTARG" specified="specified" ;; esac done shift $(($OPTIND - 1)) if [ $# -ne 1 ]; then echo "$0: invalid arguments" >&2 return 4 fi base=${1##*/} if [ ! "$specified" ]; then pidfile="/var/run/$base.pid" fi if [ -n "${pidfile:-}" ]; then if [ -e "$pidfile" ]; then if [ -r "$pidfile" ]; then read pid < "$pidfile" if [ -n "${pid:-}" ]; then if $(kill -0 "${pid:-}" 2> /dev/null); then echo "$pid" || true return 0 elif ps "${pid:-}" >/dev/null 2>&1; then echo "$pid" || true return 0 # program is running, but not owned by this user else return 1 # program is dead and /var/run pid file exists fi fi else return 4 # pid file not readable, hence status is unknown. fi else # pid file doesn't exist, try to find the pid nevertheless if [ -x /bin/pidof ] && [ ! "$specified" ]; then status="0" /bin/pidof -c -o %PPID -x $1 || status="$?" if [ "$status" = 1 ]; then return 3 # program is not running fi return 0 fi return 3 # specified pid file doesn't exist, program probably stopped fi fi if [ "$specified" ]; then return 3 # almost certain it's not running fi return 4 # Unable to determine status } # start-stop-daemon uses the same algorithm as "pidofproc" above. killproc () { local pidfile sig status base name_param is_term_sig OPTIND pidfile= name_param= is_term_sig= OPTIND=1 while getopts p: opt ; do case "$opt" in p) pidfile="$OPTARG";; esac done shift $(($OPTIND - 1)) base=${1##*/} if [ ! $pidfile ]; then name_param="--name $base --pidfile /var/run/$base.pid" else name_param="--name $base --pidfile $pidfile" fi sig=$(echo ${2:-} | sed -e 's/^-\(.*\)/\1/') sig=$(echo $sig | sed -e 's/^SIG\(.*\)/\1/') if [ "$sig" = 15 ] || [ "$sig" = TERM ]; then is_term_sig="terminate_signal" fi status=0 if [ ! "$is_term_sig" ]; then if [ -n "$sig" ]; then /sbin/start-stop-daemon --stop --signal "$sig" \ --quiet $name_param || status="$?" else /sbin/start-stop-daemon --stop \ --retry 5 \ --quiet $name_param || status="$?" fi else /sbin/start-stop-daemon --stop --quiet \ --oknodo $name_param || status="$?" fi if [ "$status" = 1 ]; then if [ -z "$sig" ]; then return 0 fi return 3 # program is not running fi if [ "$status" = 0 ] && [ "$is_term_sig" ] && [ "$pidfile" ]; then pidofproc -p "$pidfile" "$1" >/dev/null || rm -f "$pidfile" fi return 0 } # Return LSB status status_of_proc () { local pidfile daemon name status OPTIND pidfile= OPTIND=1 while getopts p: opt ; do case "$opt" in p) pidfile="$OPTARG";; esac done shift $(($OPTIND - 1)) if [ -n "$pidfile" ]; then pidfile="-p $pidfile" fi daemon="$1" name="$2" status="0" pidofproc $pidfile $daemon >/dev/null || status="$?" if [ "$status" = 0 ]; then log_success_msg "$name is running" return 0 elif [ "$status" = 4 ]; then log_failure_msg "could not access PID file for $name" return $status else log_failure_msg "$name is not running" return $status fi } log_use_fancy_output () { TPUT=/usr/bin/tput EXPR=/usr/bin/expr if [ -t 1 ] && [ "x${TERM:-}" != "x" ] && [ "x${TERM:-}" != "xdumb" ] && [ -x $TPUT ] && [ -x $EXPR ] && $TPUT hpa 60 >/dev/null 2>&1 && $TPUT setaf 1 >/dev/null 2>&1 then [ -z $FANCYTTY ] && FANCYTTY=1 || true else FANCYTTY=0 fi case "$FANCYTTY" in 1|Y|yes|true) true;; *) false;; esac } log_success_msg () { if [ -n "${1:-}" ]; then log_begin_msg $@ fi log_end_msg 0 } log_failure_msg () { if [ -n "${1:-}" ]; then log_begin_msg $@ "..." fi log_end_msg 1 || true } log_warning_msg () { if [ -n "${1:-}" ]; then log_begin_msg $@ "..." fi log_end_msg 255 || true } # # NON-LSB HELPER FUNCTIONS # # int get_lsb_header_val (char *scriptpathname, char *key) get_lsb_header_val () { if [ ! -f "$1" ] || [ -z "${2:-}" ]; then return 1 fi LSB_S="### BEGIN INIT INFO" LSB_E="### END INIT INFO" sed -n "/$LSB_S/,/$LSB_E/ s/# $2: \+\(.*\)/\1/p" "$1" } # If the currently running init daemon is upstart, return zero; if the # calling init script belongs to a package which also provides a native # upstart job, it should generally exit non-zero in this case. init_is_upstart() { if [ -x /sbin/initctl ] && /sbin/initctl version 2>/dev/null | /bin/grep -q upstart; then return 0 fi return 1 } # int log_begin_message (char *message) log_begin_msg () { log_begin_msg_pre "$@" if [ -z "${1:-}" ]; then return 1 fi echo -n "$@" || true log_begin_msg_post "$@" } # Sample usage: # log_daemon_msg "Starting GNOME Login Manager" "gdm" # # On Debian, would output "Starting GNOME Login Manager: gdm" # On Ubuntu, would output " * Starting GNOME Login Manager..." # # If the second argument is omitted, logging suitable for use with # log_progress_msg() is used: # # log_daemon_msg "Starting remote filesystem services" # # On Debian, would output "Starting remote filesystem services:" # On Ubuntu, would output " * Starting remote filesystem services..." log_daemon_msg () { if [ -z "${1:-}" ]; then return 1 fi log_daemon_msg_pre "$@" if [ -z "${2:-}" ]; then echo -n "$1:" || true return fi echo -n "$1: $2" || true log_daemon_msg_post "$@" } # #319739 # # Per policy docs: # # log_daemon_msg "Starting remote file system services" # log_progress_msg "nfsd"; start-stop-daemon --start --quiet nfsd # log_progress_msg "mountd"; start-stop-daemon --start --quiet mountd # log_progress_msg "ugidd"; start-stop-daemon --start --quiet ugidd # log_end_msg 0 # # You could also do something fancy with log_end_msg here based on the # return values of start-stop-daemon; this is left as an exercise for # the reader... # # On Ubuntu, one would expect log_progress_msg to be a no-op. log_progress_msg () { if [ -z "${1:-}" ]; then return 1 fi echo -n " $@" || true } # int log_end_message (int exitstatus) log_end_msg () { # If no arguments were passed, return if [ -z "${1:-}" ]; then return 1 fi local retval retval=$1 log_end_msg_pre "$@" # Only do the fancy stuff if we have an appropriate terminal # and if /usr is already mounted if log_use_fancy_output; then RED=$( $TPUT setaf 1) YELLOW=$( $TPUT setaf 3) NORMAL=$( $TPUT op) else RED='' YELLOW='' NORMAL='' fi if [ $1 -eq 0 ]; then echo "." || true elif [ $1 -eq 255 ]; then /bin/echo -e " ${YELLOW}(warning).${NORMAL}" || true else /bin/echo -e " ${RED}failed!${NORMAL}" || true fi log_end_msg_post "$@" return $retval } log_action_msg () { log_action_msg_pre "$@" echo "$@." || true log_action_msg_post "$@" } log_action_begin_msg () { log_action_begin_msg_pre "$@" echo -n "$@..." || true log_action_begin_msg_post "$@" } log_action_cont_msg () { echo -n "$@..." || true } log_action_end_msg () { local end log_action_end_msg_pre "$@" if [ -z "${2:-}" ]; then end="." else end=" ($2)." fi if [ $1 -eq 0 ]; then echo "done${end}" || true else if log_use_fancy_output; then RED=$( $TPUT setaf 1) NORMAL=$( $TPUT op) /bin/echo -e "${RED}failed${end}${NORMAL}" || true else echo "failed${end}" || true fi fi log_action_end_msg_post "$@" } # Pre&Post empty function declaration, to be overriden from /lib/lsb/init-functions.d/* log_daemon_msg_pre () { :; } log_daemon_msg_post () { :; } log_begin_msg_pre () { :; } log_begin_msg_post () { :; } log_end_msg_pre () { :; } log_end_msg_post () { :; } log_action_msg_pre () { :; } log_action_msg_post () { :; } log_action_begin_msg_pre () { :; } log_action_begin_msg_post () { :; } log_action_end_msg_pre () { :; } log_action_end_msg_post () { :; } # Include hooks from other packages in /lib/lsb/init-functions.d for hook in $(run-parts --lsbsysinit --list /lib/lsb/init-functions.d 2>/dev/null); do [ -r $hook ] && . $hook || true done FANCYTTY=