upstream/ipython Files · IPython/kernel/zmq/logtopics.rst

Merge pull request from takluyver/system-raw-subprocess...

Merge pull request from takluyver/system-raw-subprocess Use subprocess for system_raw This unifies the exit codes from system_raw and system_piped to use the subprocess model on Unix - positive numbers for exit status, negative for terminating signal. This doesn't change the situation on Windows. system_raw will give the raw exit code (Windows exit statuses don't appear to include the terminating signal), and system_piped will give nothing - our process_win32 machinery never gets the exit code, and I don't want to go messing around with that.

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        MinRK
    
zmq kernels now started via newapp

              r3970
            
      =======================

      Log Topic Specification

      =======================

      we use pyzmq to broadcast log events over a PUB socket. Engines, Controllers, etc. can all

      broadcast. SUB sockets can be used to view the logs, and ZMQ topics are used to help

      select out what to follow.

      the PUBHandler object that emits the logs can ascribe topics to log messages. The order is:

      <root_topic>.<loglevel>.<subtopic>[.<etc>]

      root_topic is specified as an attribute

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MinRK zmq kernels now started via newapp	r3970	=======================
		Log Topic Specification
		=======================

		we use pyzmq to broadcast log events over a PUB socket. Engines, Controllers, etc. can all
		broadcast. SUB sockets can be used to view the logs, and ZMQ topics are used to help
		select out what to follow.

		the PUBHandler object that emits the logs can ascribe topics to log messages. The order is:

		<root_topic>.<loglevel>.<subtopic>[.<etc>]

		root_topic is specified as an attribute