#compdef chrt
local context state line
typeset -A opt_args
_arguments \
'(* -)'{-h,--help}'[display usage information]' \
'(* -)'{-V,--version}'[output version information]' \
{-v,--verbose}'[display status information]' \
{-p,--pid}'[interpret args as process ID]' \
'(-b --batch -f --fifo -o --other -r --rr)'{-b,--batch}'[set scheduling policy to SCHED_BATCH]' \
'(-b --batch -f --fifo -o --other -r --rr)'{-f,--fifo}'[set scheduling policy to SCHED_FIFO]' \
'(-b --batch -f --fifo -o --other -r --rr)'{-o,--other}'[set policy scheduling policy to SCHED_OTHER]' \
'(-b --batch -f --fifo -o --other -r --rr)'{-r,--rr}'[set scheduling policy to SCHED_RR]' \
'(* -)'{-m,--max}'[show minimum and maximum valid priorities, then exit]' \
'*::command or priority:->cmd_or_prio' \
&& return 0
_chrt_priority()
{
local ty
if (( $+opt_args[-b] || $+opt_args[--batch] ))
then
ty=BATCH
elif (( $+opt_args[-f] || $+opt_args[--fifo] ))
then
ty=FIFO
elif (( $+opt_args[-o] || $+opt_args[--other] ))
then
ty=OTHER
else
ty=RR
fi
local range
range=${${"$(_call_program priorities chrt --max)"#*SCHED_$ty*: }%$'\n'*}
if [[ $range = 0/0 ]]
then
compadd 0
else
_message -e priority "priority in the range $range"
fi
}
if (( $+opt_args[-p] || $+opt_args[--pid] ))
then
if [[ $CURRENT -eq 1 ]]
then
_alternative \
'priority:priority:_chrt_priority' \
'processes:process IDs:_pids'
else
_pids
fi
elif [[ $CURRENT -eq 1 ]]
then
_chrt_priority
else
shift words
(( CURRENT-- ))
_normal
fi
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