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

Fix terminals with Tornado 3...

Fix terminals with Tornado 3 The websocket handler auth checking was calling clear_cookie(), which threw an error because it doesn't make sense for Websockets. It doesn't seem important, and we silence it in our other websocket handlers, so silencing it here too.

Matthias BUSSONNIER - - Load All Authors

File last commit:

r7787:28b538a9


                r18546:2b2243ed

Download file

             daemonize.py
        
                    26 lines
            
             | 833 B
            
                | text/x-python
            
             |
                PythonLexer
            
             / IPython / utils / daemonize.py
          
                    History
                
                 |
                  Annotation
                 | Raw
                 |Copy content
                 |Copy permalink

      """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 as e:

                  if e.errno != errno.EBADF:

                      raise

          os.close(null)

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

				"""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 as e:
				if e.errno != errno.EBADF:
				raise
				os.close(null)