#compdef setsid

_arguments -s -S -A '-*' : \
  '(: * -)'{-h,--help}'[display help information]' \
  '(: * -)'{-V,--version}'[display version information]' \
  '(-c --ctty)'{-c,--ctty}'[set controlling terminal to current one]' \
  '(-f --fork)'{-f,--fork}'[always fork]' \
  '(-w --wait)'{-w,--wait}'[wait for program to exit, and use same return code]' \
  '*:: : _normal -p $service'