old_contents: def __getfilesystemencoding():
      '''
      Note: there's a copy of this method in interpreterInfo.py
      '''
      import sys
      try:
          ret = sys.getfilesystemencoding()
          if not ret:
              raise RuntimeError('Unable to get encoding.')
          return ret
      except:
          try:
              #Handle Jython
              from java.lang import System  # @UnresolvedImport
              env = System.getProperty("os.name").lower()
              if env.find('win') != -1:
                  return 'ISO-8859-1'  #mbcs does not work on Jython, so, use a (hopefully) suitable replacement
              return 'utf-8'
          except:
              pass
  
          #Only available from 2.3 onwards.
          if sys.platform == 'win32':
              return 'mbcs'
          return 'utf-8'
  
  def getfilesystemencoding():
      try:
          ret = __getfilesystemencoding()
  
          #Check if the encoding is actually there to be used!
          if hasattr('', 'encode'):
              ''.encode(ret)
          if hasattr('', 'decode'):
              ''.decode(ret)
  
          return ret
      except:
          return 'utf-8'
  
new_contents: import sys
  
  
  def __getfilesystemencoding():
      '''
      Note: there's a copy of this method in interpreterInfo.py
      '''
      try:
          ret = sys.getfilesystemencoding()
          if not ret:
              raise RuntimeError('Unable to get encoding.')
          return ret
      except:
          try:
              #Handle Jython
              from java.lang import System  # @UnresolvedImport
              env = System.getProperty("os.name").lower()
              if env.find('win') != -1:
                  return 'ISO-8859-1'  #mbcs does not work on Jython, so, use a (hopefully) suitable replacement
              return 'utf-8'
          except:
              pass
  
          #Only available from 2.3 onwards.
          if sys.platform == 'win32':
              return 'mbcs'
          return 'utf-8'
  
  def getfilesystemencoding():
      try:
          ret = __getfilesystemencoding()
  
          #Check if the encoding is actually there to be used!
          if hasattr('', 'encode'):
              ''.encode(ret)
          if hasattr('', 'decode'):
              ''.decode(ret)
  
          return ret
      except:
          return 'utf-8'
  
subject: Fix deadlock in remote debugger (PY-18546) (cherry picked from commit 40b4b82)