Improve --keep-process-alive

lib/ruby-debug-ide/commands/control.rb

@@ -8,8 +8,14 @@ def regexp
 
     def execute
       begin
-        @printer.print_msg("finished")
-        @printer.print_debug("Exiting debugger.")
+        if ENV['DEBUGGER_KEEP_PROCESS_ALIVE'] == "true"
+          @delegate_sd_obj.interface.closing = true
+          Debugger.breakpoints.clear
+          @delegate_sd_obj.interface.command_queue << 'c'
+        else
+          @printer.print_msg("finished")
+          @printer.print_debug("Exiting debugger.")
+        end
       ensure
         exit! unless ENV['DEBUGGER_KEEP_PROCESS_ALIVE'] == "true" # exit -> exit!: No graceful way to stop threads...
       end

lib/ruby-debug-ide/interface.rb

@@ -10,10 +10,12 @@ class LocalInterface < Interface
 
   class RemoteInterface < Interface # :nodoc:
     attr_accessor :command_queue
+    attr_accessor :closing
 
     def initialize(socket)
       @socket = socket
       @command_queue = Queue.new
+      @closing = false
     end
 
     def read_command
@@ -23,7 +25,7 @@ def read_command
     end
 
     def print(*args)
-      @socket.printf(*args)
+      @socket.printf(*args) unless (@closing && ENV['DEBUGGER_KEEP_PROCESS_ALIVE'])
     end
 
     def close

test-base/test_base.rb

@@ -128,7 +128,7 @@ def start_ruby_process(script, additional_opts = '')
         status = wait_thr.value
       end
       @process_finished = true
-      fail "ERROR: \"#{process}\" failed with exitstatus=#{status.exitstatus}" unless status.success?
+      fail "ERROR: \"#{cmd}\" failed with exitstatus=#{status.exitstatus}" unless status.success?
     end
 
   end