upstream/ipython Files · IPython/utils/daemonize.py

cleanup some closing logic...

cleanup some closing logic * Single prompt on quit event * Disabled leaving the kernel running on window close, as it doesn't make as much sense now that there are multiple kernel windows * Tabs respect confirm-exit setting * Removed some obsolete kwargs from MainWindow.__init__, that are no longer used Closing logic is still a bit wonky, depending on the ordering of tabs closed (masters, slaves, etc.). also fix some spelling errors, and remove errant semicolons

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r4019:3c996c36


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             daemonize.py
        
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        MinRK
    
scrub twisted/deferred references from launchers...

              r4019
            
      """daemonize function from twisted.scripts._twistd_unix."""

      #-----------------------------------------------------------------------------

      # Copyright (c) Twisted Matrix Laboratories.

      # See Twisted's LICENSE for details.

      # http://twistedmatrix.com/

      #-----------------------------------------------------------------------------

      import os, errno

      def daemonize():

          # See http://www.erlenstar.demon.co.uk/unix/faq_toc.html#TOC16

          if os.fork():   # launch child and...

              os._exit(0) # kill off parent

          os.setsid()

          if os.fork():   # launch child and...

              os._exit(0) # kill off parent again.

          null = os.open('/dev/null', os.O_RDWR)

          for i in range(3):

              try:

                  os.dup2(null, i)

              except OSError, e:

                  if e.errno != errno.EBADF:

                      raise

          os.close(null)

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MinRK scrub twisted/deferred references from launchers...	r4019	"""daemonize function from twisted.scripts._twistd_unix."""

		#-----------------------------------------------------------------------------
		# Copyright (c) Twisted Matrix Laboratories.
		# See Twisted's LICENSE for details.
		# http://twistedmatrix.com/
		#-----------------------------------------------------------------------------

		import os, errno

		def daemonize():
		# See http://www.erlenstar.demon.co.uk/unix/faq_toc.html#TOC16
		if os.fork(): # launch child and...
		os._exit(0) # kill off parent
		os.setsid()
		if os.fork(): # launch child and...
		os._exit(0) # kill off parent again.
		null = os.open('/dev/null', os.O_RDWR)
		for i in range(3):
		try:
		os.dup2(null, i)
		except OSError, e:
		if e.errno != errno.EBADF:
		raise
		os.close(null)