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| | # -*- encoding: binary -*-
# Copyright (C) 2013, Eric Wong <normalperson@yhbt.net>
# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt)
# common code for wrapping SoX/ecasound/... commands
require_relative 'serialize'
require 'shellwords'
module DTAS::Command # :nodoc:
include DTAS::Serialize
attr_reader :pid
attr_reader :to_io
attr_accessor :command
attr_accessor :env
attr_accessor :spawn_at
COMMAND_DEFAULTS = {
"env" => {},
"command" => nil,
}
def command_init(defaults = {})
@pid = nil
@to_io = nil
@spawn_at = nil
COMMAND_DEFAULTS.merge(defaults).each do |k,v|
v = v.dup if Hash === v || Array === v
instance_variable_set("@#{k}", v)
end
end
def kill(sig = :TERM)
# always kill the pgroup since we run subcommands in their own shell
Process.kill(sig, -@pid)
end
def on_death(status)
@pid = nil
end
def command_string
@command
end
end
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