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init-d-script
#!/bin/sh # See init-d-script(5) for instructions on how to use this library. #============================================================================= # Shift arguments early to fix #826214 __init_d_script_name="$1" shift # Define LSB log_* functions. # Depend on sysvinit-utils (>= 3.05-1) to ensure that this file is present # and status_of_proc is working. . /lib/lsb/init-functions # PATH should only include /usr/* if it runs after the mountnfs.sh # script. Scripts running before mountnfs.sh should remove the /usr/* # entries. PATH=/usr/sbin:/usr/bin:/sbin:/bin export PATH is_call_implemented() { PATH= command -V $1 >/dev/null 2>&1 } do_usage() { if is_call_implemented do_reload ; then echo "Usage: $SCRIPTNAME {start|stop|status|reload|restart|try-restart|force-reload}" >&2 else echo "Usage: $SCRIPTNAME {start|stop|status|restart|try-restart|force-reload}" >&2 fi } call() { cmd="$1" shift if is_call_implemented ${cmd}_override ; then ${cmd}_override "$@" else ${cmd} "$@" fi } # # Function that starts the daemon/service # do_start_cmd() { start-stop-daemon --start --quiet \ ${PIDFILE:+--pidfile "$PIDFILE"} \ ${COMMAND_NAME:+--name "$COMMAND_NAME"} \ ${DAEMON:+--exec "$DAEMON"} $START_ARGS -- $DAEMON_ARGS } do_start() { if is_call_implemented do_start_prepare ; then call do_start_prepare fi log_daemon_msg "Starting $DESC" "$NAME" call do_start_cmd retval=$? if [ "$retval" = 1 ] && [ no != "$VERBOSE" ] ; then log_progress_msg "is already running" fi retval=$(( $retval > 1 )) vlog_end_msg $retval if is_call_implemented do_start_cleanup ; then call do_start_cleanup fi return $retval } # # Function that stops the daemon/service # do_stop_cmd() { start-stop-daemon --stop --quiet \ --retry=TERM/0/CONT/30/KILL/5 \ ${PIDFILE:+--pidfile "$PIDFILE"} \ ${COMMAND_NAME:+--name "$COMMAND_NAME"} \ ${DAEMON:+--exec "$DAEMON"} $STOP_ARGS RETVAL="$?" [ "$RETVAL" = 2 ] && return 2 # Wait for children to finish too if this is a daemon that forks # and if the daemon is only ever run from this initscript. # If the above conditions are not satisfied then add some other code # that waits for the process to drop all resources that could be # needed by services started subsequently. A last resort is to # sleep for some time. if [ -n "$DAEMON" ] ; then start-stop-daemon --stop --quiet --oknodo \ --retry=0/30/KILL/5 --exec "$DAEMON" $STOP_ARGS [ "$?" = 2 ] && return 2 fi # Many daemons don't delete their pidfiles when they exit. rm -f $PIDFILE return $RETVAL } do_stop() { if is_call_implemented do_stop_prepare ; then call do_stop_prepare fi vlog_daemon_msg "Stopping $DESC" "$NAME" call do_stop_cmd retval=$? if [ "$retval" = 1 ] && [ no != "$VERBOSE" ] ; then log_progress_msg "is not running" fi retval=$(( $retval > 1 )) vlog_end_msg $retval if is_call_implemented do_stop_cleanup ; then call do_stop_cleanup fi return $retval } do_restart() { if is_call_implemented do_restart_prepare ; then call do_restart_prepare fi vlog_daemon_msg "Restarting $DESC" "$NAME" call do_stop_cmd retval=$(( $? > 1 )) if [ $retval -eq 0 ] ; then call do_start_cmd retval=$(( $? > 1 )) fi vlog_end_msg $retval if is_call_implemented do_restart_cleanup ; then call do_restart_cleanup fi return $retval } # Wrapper for do_reload_cmd do_reload_wrapper() { if is_call_implemented do_reload_prepare ; then call do_reload_prepare fi vlog_daemon_msg "Reloading $DESC configuration files" "$NAME" call do_reload_cmd retval=$(( $? != 0 )) vlog_end_msg $retval if is_call_implemented do_reload_cleanup ; then call do_reload_cleanup fi return $retval } # To enable this function, RELOAD_SIGNAL should be set to the kill signal do_reload_signal() { start-stop-daemon --stop --signal $RELOAD_SIGNAL --quiet \ ${PIDFILE:+--pidfile "$PIDFILE"} \ ${COMMAND_NAME:+--name "$COMMAND_NAME"} \ ${DAEMON:+--exec "$DAEMON"} $RELOAD_ARGS } # Deprecated: use RELOAD_SIGNAL instead for newer scripts # Enable this using # alias do_reload=do_reload_sigusr1 do_reload_sigusr1() { RELOAD_SIGNAL=1 do_reload_cmd() { do_reload_signal; } do_reload_wrapper } do_status() { status_of_proc ${PIDFILE:+-p "$PIDFILE"} "${DAEMON:-none}" "$NAME" } if [ "$DEBUG" = "true" ] ; then set -x fi # Unset configuration variables to make sure that if variable is not assigned a # value in init script, it does not use one from environment. See #822918. unset DAEMON DAEMON_ARGS DESC NAME COMMAND_NAME PIDFILE \ RELOAD_ARGS RELOAD_SIGNAL START_ARGS STOP_ARGS SCRIPTNAME="$__init_d_script_name" scriptbasename=${__init_d_script_name##*/} if [ "$scriptbasename" != "init-d-script" ] ; then . "$__init_d_script_name" else exit 0 fi : ${NAME:=${DAEMON##*/}} : ${DESC:=$NAME} : ${COMMAND_NAME:=${NAME}} # Do not use pid file if $PIDFILE is 'none'. Otherwise, generate from # $NAME or use the value provided by the init.d script. if [ none = "$PIDFILE" ] ; then PIDFILE= elif [ -z "$PIDFILE" ] ; then PIDFILE=/var/run/$NAME.pid fi # Read configuration variable file if it is present [ -r "/etc/default/${NAME}" ] && . "/etc/default/${NAME}" # Exit if the package is not installed if [ none != "$DAEMON" ] && [ ! -x "$DAEMON" ] ; then exit 0 fi # Do not use DAEMON or COMMAND_NAME if they are set to 'none'. [ none = "$DAEMON" ] && DAEMON= [ none = "$COMMAND_NAME" ] && COMMAND_NAME= # Load the VERBOSE setting and other rcS variables . /lib/init/vars.sh if [ -t 0 ] ; then # Be verbose when called from a terminal VERBOSE=yes fi # Setup do_reload if not already defined if ! is_call_implemented do_reload ; then if ! is_call_implemented do_reload_cmd && [ -n "$RELOAD_SIGNAL" ] then do_reload_cmd() { do_reload_signal; } fi if is_call_implemented do_reload_cmd ; then alias do_reload=do_reload_wrapper fi fi case "$1" in start) call do_start ;; stop) call do_stop ;; status) call do_status ;; reload) if is_call_implemented do_reload ; then do_reload else call do_usage exit 3 fi ;; force-reload) if is_call_implemented do_force_reload ; then call do_force_reload elif is_call_implemented do_reload ; then do_reload else call do_restart fi ;; restart) call do_restart ;; try-restart) vlog_daemon_msg "Trying to restart $DESC" "$NAME" if (call do_status) >/dev/null ; then (call do_restart) >/dev/null else [ no != "$VERBOSE" ] && log_progress_msg "is not running" true fi vlog_end_msg $? ;; '') call do_usage exit 3 ;; *) if is_call_implemented do_unknown ; then call do_unknown "$1" exit 3 else call do_usage exit 3 fi ;; esac exit $? # See https://bugs.debian.org/822753#53
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