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Contents
# frozen_string_literal: true
module Vedeu
module Runtime
# Vedeu can respond to various signals which are handled here.
#
# @api private
#
module Traps
# :nocov:
# @param keys [Array<Symbol>]
# @macro param_block
# @macro raise_requires_block
# @return [Array<Symbol>]
def self.add_signal_trap(*keys, &block)
raise Vedeu::Error::RequiresBlock unless block_given?
# fail Signal.list.inspect
keys.each do |key|
Signal.trap(key.to_s, &block) if Signal.list.key?(key.to_s)
end
end
# Resize terminal
add_signal_trap(:WINCH) { Vedeu.trigger(:_resize_) }
# Stop runtime (failure)
add_signal_trap(:INT, :TERM) { exit(1) }
# Read from terminal
add_signal_trap(:TTIN) {}
# User
add_signal_trap(:USR1, :USR2) {}
# Signals from Ubuntu Linux 16.04.
#
# {
# "EXIT" => 0,
# "HUP" => 1,
# "INT" => 2,
# "QUIT" => 3,
# "ILL" => 4,
# "TRAP" => 5,
# "ABRT" => 6,
# "IOT" => 6,
# "BUS" => 7,
# "FPE" => 8,
# "KILL" => 9,
# "USR1" => 10,
# "SEGV" => 11,
# "USR2" => 12,
# "PIPE" => 13,
# "ALRM" => 14,
# "TERM" => 15,
# "CHLD" => 17,
# "CLD" => 17,
# "STOP" => 19,
# "CONT" => 18,
# "TSTP" => 20,
# "TTIN" => 21,
# "TTOU" => 22,
# "URG" => 23,
# "XCPU" => 24,
# "XFSZ" => 25,
# "VTALRM" => 26,
# "PROF" => 27,
# "WINCH" => 28,
# "IO" => 29,
# "POLL" => 29,
# "PWR" => 30,
# "SYS" => 31,
# }
# :nocov:
end # Traps
end # Runtime
end # Vedeu
Version data entries
9 entries across 9 versions & 1 rubygems