Module: Debugger::MultiProcess
- Defined in:
- lib/ruby-debug-ide/multiprocess/monkey.rb,
lib/ruby-debug-ide/multiprocess/pre_child.rb
Class Method Summary collapse
- .create_mp_exec(private = false) ⇒ Object
- .create_mp_fork(private = false) ⇒ Object
- .find_free_port(host) ⇒ Object
- .pre_child ⇒ Object
- .start_debugger(options) ⇒ Object
Class Method Details
.create_mp_exec(private = false) ⇒ Object
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# File 'lib/ruby-debug-ide/multiprocess/monkey.rb', line 19 def self.create_mp_exec(private=false) %Q{ alias pre_debugger_exec exec #{private ? "private" : ""} def exec(*args) Debugger.interface.close pre_debugger_exec(*args) end } end |
.create_mp_fork(private = false) ⇒ Object
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# File 'lib/ruby-debug-ide/multiprocess/monkey.rb', line 3 def self.create_mp_fork(private=false) %Q{ alias pre_debugger_fork fork #{private ? "private" : ""} def fork(*args) if block_given? return pre_debugger_fork{Debugger::MultiProcess::pre_child; yield} end result = pre_debugger_fork Debugger::MultiProcess::pre_child unless result result end } end |
.find_free_port(host) ⇒ Object
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# File 'lib/ruby-debug-ide/multiprocess/pre_child.rb', line 66 def find_free_port(host) server = TCPServer.open(host, 0) port = server.addr[1] server.close port end |
.pre_child ⇒ Object
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# File 'lib/ruby-debug-ide/multiprocess/pre_child.rb', line 4 def pre_child require 'socket' require 'ostruct' host = ENV['DEBUGGER_HOST'] port = find_free_port(host) = OpenStruct.new( 'frame_bind' => false, 'host' => host, 'load_mode' => false, 'port' => port, 'stop' => false, 'tracing' => false, 'int_handler' => true, 'cli_debug' => (ENV['DEBUGGER_CLI_DEBUG'] == 'true') ) acceptor_host, acceptor_port = ENV['IDE_PROCESS_DISPATCHER'].split(":") acceptor_host, acceptor_port = '127.0.0.1', acceptor_host unless acceptor_port connected = false 3.times do |i| begin s = TCPSocket.open(acceptor_host, acceptor_port) s.print(port) s.close connected = true start_debugger() return rescue => bt $stderr.puts "#{Process.pid}: connection failed(#{i+1})" $stderr.puts "Exception: #{bt}" $stderr.puts bt.backtrace.map { |l| "\t#{l}" }.join("\n") sleep 0.3 end unless connected end end |
.start_debugger(options) ⇒ Object
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# File 'lib/ruby-debug-ide/multiprocess/pre_child.rb', line 44 def start_debugger() if Debugger.started? # we're in forked child, only need to restart control thread Debugger.breakpoints.clear Debugger.control_thread = nil Debugger.start_control(.host, .port) end if .int_handler # install interruption handler trap('INT') { Debugger.interrupt_last } end # set options Debugger.keep_frame_binding = .frame_bind Debugger.tracing = .tracing Debugger.cli_debug = .cli_debug Debugger.prepare_debugger() end |