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libexec/rc/rc.subr
| Show First 20 Lines • Show All 804 Lines • ▼ Show 20 Lines | |||||
| # Requires /usr to be mounted. | # Requires /usr to be mounted. | ||||
| # | # | ||||
| # ${name}_groups n Comma separated list of supplementary groups | # ${name}_groups n Comma separated list of supplementary groups | ||||
| # to run the chrooted ${command} with. | # to run the chrooted ${command} with. | ||||
| # Requires /usr to be mounted. | # Requires /usr to be mounted. | ||||
| # | # | ||||
| # ${name}_prepend n Command added before ${command}. | # ${name}_prepend n Command added before ${command}. | ||||
| # | # | ||||
| # ${name}_setup n Command executed before ${command}. | # ${name}_setup n Command executed during start, restart and | ||||
| # reload before ${rc_arg}_precmd is run. | |||||
| # | # | ||||
| # ${name}_login_class n Login class to use, else "daemon". | # ${name}_login_class n Login class to use, else "daemon". | ||||
| # | # | ||||
| # ${name}_limits n limits(1) to apply to ${command}. | # ${name}_limits n limits(1) to apply to ${command}. | ||||
| # | # | ||||
| # ${rc_arg}_cmd n If set, use this as the method when invoked; | # ${rc_arg}_cmd n If set, use this as the method when invoked; | ||||
| # Otherwise, use default command (see below) | # Otherwise, use default command (see below) | ||||
| # | # | ||||
| ▲ Show 20 Lines • Show All 242 Lines • ▼ Show 20 Lines | for _elem in $_keywords; do | ||||
| if [ $rc_arg = "start" -a -z "$rc_fast" -a -n "$rc_pid" ]; then | if [ $rc_arg = "start" -a -z "$rc_fast" -a -n "$rc_pid" ]; then | ||||
| if [ -z "$rc_quiet" ]; then | if [ -z "$rc_quiet" ]; then | ||||
| echo 1>&2 "${name} already running? " \ | echo 1>&2 "${name} already running? " \ | ||||
| "(pid=$rc_pid)." | "(pid=$rc_pid)." | ||||
| fi | fi | ||||
| return 1 | return 1 | ||||
| fi | fi | ||||
| # if there's a custom ${XXX_cmd}, | # if there's a custom ${XXX_cmd}, | ||||
| # run that instead of the default | # run that instead of the default | ||||
| # | # | ||||
| eval _cmd=\$${rc_arg}_cmd \ | eval _cmd=\$${rc_arg}_cmd \ | ||||
| _precmd=\$${rc_arg}_precmd \ | _precmd=\$${rc_arg}_precmd \ | ||||
| _postcmd=\$${rc_arg}_postcmd | _postcmd=\$${rc_arg}_postcmd | ||||
| if [ -n "$_cmd" ]; then | if [ -n "$_cmd" ]; then | ||||
| if [ -n "$_env" ]; then | if [ -n "$_env" ]; then | ||||
| eval "export -- $_env" | eval "export -- $_env" | ||||
| fi | fi | ||||
| # service can redefine all so check for valid targets | |||||
| if [ "$rc_arg" = 'start' -o "$rc_arg" = 'restart' -o \ | |||||
| "$rc_arg" = 'reload' ]; then | |||||
| _run_rc_setup || warn "failed to setup ${name}" | |||||
| fi | |||||
| _run_rc_precmd || return 1 | _run_rc_precmd || return 1 | ||||
| _run_rc_doit "$_cpusetcmd $_cmd $rc_extra_args" || return 1 | _run_rc_doit "$_cpusetcmd $_cmd $rc_extra_args" || return 1 | ||||
| _run_rc_postcmd | _run_rc_postcmd | ||||
| return $_return | return $_return | ||||
| fi | fi | ||||
| case "$rc_arg" in # default operations... | case "$rc_arg" in # default operations... | ||||
| ▲ Show 20 Lines • Show All 44 Lines • ▼ Show 20 Lines | status) | ||||
| ;; | ;; | ||||
| start) | start) | ||||
| if [ ! -x "${_chroot}${_chroot:+/}${command}" ]; then | if [ ! -x "${_chroot}${_chroot:+/}${command}" ]; then | ||||
| warn "run_rc_command: cannot run $command" | warn "run_rc_command: cannot run $command" | ||||
| return 1 | return 1 | ||||
| fi | fi | ||||
| _run_rc_setup || warn "failed to setup ${name}" | |||||
| if ! _run_rc_precmd; then | if ! _run_rc_precmd; then | ||||
| warn "failed precmd routine for ${name}" | warn "failed precmd routine for ${name}" | ||||
| return 1 | return 1 | ||||
| fi | fi | ||||
| # setup the full command to run | # setup the full command to run | ||||
| # | # | ||||
| startmsg "Starting ${name}." | startmsg "Starting ${name}." | ||||
| if [ -n "$_chroot" ]; then | if [ -n "$_chroot" ]; then | ||||
| _cd= | _cd= | ||||
| _doit="\ | _doit="\ | ||||
| ${_nice:+nice -n $_nice }\ | ${_nice:+nice -n $_nice }\ | ||||
| $_cpusetcmd \ | $_cpusetcmd \ | ||||
| ${_fib:+setfib -F $_fib }\ | ${_fib:+setfib -F $_fib }\ | ||||
| ${_env:+env $_env }\ | ${_env:+env $_env }\ | ||||
| Show All 14 Lines | $_cpusetcmd $command $rc_flags $command_args" | ||||
| fi | fi | ||||
| _doit="nice -n $_nice $_doit" | _doit="nice -n $_nice $_doit" | ||||
| fi | fi | ||||
| if [ -n "$_prepend" ]; then | if [ -n "$_prepend" ]; then | ||||
| _doit="$_prepend $_doit" | _doit="$_prepend $_doit" | ||||
| fi | fi | ||||
| fi | fi | ||||
| if [ -n "$_setup" ]; then | |||||
| if ! _run_rc_doit "$_setup"; then | |||||
| warn "failed to setup ${name}" | |||||
| fi | |||||
| fi | |||||
| # Prepend default limits | # Prepend default limits | ||||
| _doit="$_cd limits -C $_login_class $_limits $_doit" | _doit="$_cd limits -C $_login_class $_limits $_doit" | ||||
| # run the full command | # run the full command | ||||
| # | # | ||||
| if ! _run_rc_doit "$_doit"; then | if ! _run_rc_doit "$_doit"; then | ||||
| warn "failed to start ${name}" | warn "failed to start ${name}" | ||||
| return 1 | return 1 | ||||
| fi | fi | ||||
| # finally, run postcmd | # finally, run postcmd | ||||
| # | # | ||||
| _run_rc_postcmd | _run_rc_postcmd | ||||
| ;; | ;; | ||||
| stop) | stop) | ||||
| if [ -z "$rc_pid" ]; then | if [ -z "$rc_pid" ]; then | ||||
| [ -n "$rc_fast" ] && return 0 | [ -n "$rc_fast" ] && return 0 | ||||
| _run_rc_notrunning | _run_rc_notrunning | ||||
| return 1 | return 1 | ||||
| fi | fi | ||||
| _run_rc_precmd || return 1 | _run_rc_precmd || return 1 | ||||
| # send the signal to stop | # send the signal to stop | ||||
| # | # | ||||
| echo "Stopping ${name}." | echo "Stopping ${name}." | ||||
| _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") | _doit=$(_run_rc_killcmd "${sig_stop:-TERM}") | ||||
| _run_rc_doit "$_doit" || return 1 | _run_rc_doit "$_doit" || return 1 | ||||
| # wait for the command to exit, | # wait for the command to exit, | ||||
| # and run postcmd. | # and run postcmd. | ||||
| wait_for_pids $rc_pid | wait_for_pids $rc_pid | ||||
| _run_rc_postcmd | _run_rc_postcmd | ||||
| ;; | ;; | ||||
| reload) | reload) | ||||
| if [ -z "$rc_pid" ]; then | if [ -z "$rc_pid" ]; then | ||||
| _run_rc_notrunning | _run_rc_notrunning | ||||
| return 1 | return 1 | ||||
| fi | fi | ||||
| _run_rc_setup || warn "failed to setup ${name}" | |||||
| _run_rc_precmd || return 1 | _run_rc_precmd || return 1 | ||||
| _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") | _doit=$(_run_rc_killcmd "${sig_reload:-HUP}") | ||||
| _run_rc_doit "$_doit" || return 1 | _run_rc_doit "$_doit" || return 1 | ||||
| _run_rc_postcmd | _run_rc_postcmd | ||||
| ;; | ;; | ||||
| restart) | restart) | ||||
| _run_rc_setup || warn "failed to setup ${name}" | |||||
| # prevent restart being called more | # prevent restart being called more | ||||
| # than once by any given script | # than once by any given script | ||||
| # | # | ||||
| if ${_rc_restart_done:-false}; then | if ${_rc_restart_done:-false}; then | ||||
| return 0 | return 0 | ||||
| fi | fi | ||||
| _rc_restart_done=true | _rc_restart_done=true | ||||
| _run_rc_precmd || return 1 | _run_rc_precmd || return 1 | ||||
| # run those in a subshell to keep global variables | # run those in a subshell to keep global variables | ||||
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| # Helper functions for run_rc_command: common code. | # Helper functions for run_rc_command: common code. | ||||
| # They use such global variables besides the exported rc_* ones: | # They use such global variables besides the exported rc_* ones: | ||||
| # | # | ||||
| # name R/W | # name R/W | ||||
| # ------------------ | # ------------------ | ||||
| # _precmd R | # _precmd R | ||||
| # _postcmd R | # _postcmd R | ||||
| # _return W | # _return W | ||||
| # _setup R | |||||
| # | # | ||||
| _run_rc_precmd() | _run_rc_precmd() | ||||
| { | { | ||||
| check_required_before "$rc_arg" || return 1 | check_required_before "$rc_arg" || return 1 | ||||
| if [ -n "$_precmd" ]; then | if [ -n "$_precmd" ]; then | ||||
| debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" | debug "run_rc_command: ${rc_arg}_precmd: $_precmd $rc_extra_args" | ||||
| eval "$_precmd $rc_extra_args" | eval "$_precmd $rc_extra_args" | ||||
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| } | } | ||||
| _run_rc_postcmd() | _run_rc_postcmd() | ||||
| { | { | ||||
| if [ -n "$_postcmd" ]; then | if [ -n "$_postcmd" ]; then | ||||
| debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" | debug "run_rc_command: ${rc_arg}_postcmd: $_postcmd $rc_extra_args" | ||||
| eval "$_postcmd $rc_extra_args" | eval "$_postcmd $rc_extra_args" | ||||
| _return=$? | _return=$? | ||||
| fi | |||||
| return 0 | |||||
| } | |||||
| _run_rc_setup() | |||||
| { | |||||
| # prevent multiple execution on restart => stop/start split | |||||
| if ! ${_rc_restart_done:-false} && [ -n "$_setup" ]; then | |||||
| debug "run_rc_command: ${rc_arg}_setup: $_setup" | |||||
| eval "$_setup" | |||||
| _return=$? | |||||
| if [ $_return -ne 0 ]; then | |||||
| return 1 | |||||
| fi | |||||
| fi | fi | ||||
| return 0 | return 0 | ||||
| } | } | ||||
| _run_rc_doit() | _run_rc_doit() | ||||
| { | { | ||||
| local _m | local _m | ||||
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