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zBaseProcess.__init__c C s | j r| j | j| j dS )zQ
Method to be run in sub-process; can be overridden in sub-class
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Start child process
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zBaseProcess.startc C s | j j dS )zT
Terminate process; sends SIGTERM signal or uses TerminateProcess()
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Wait until child process terminates
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Return whether process is alive
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Return whether process is a daemon
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Set whether process is a daemon
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Set authorization key of process
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Return exit code of process or `None` if it has yet to stop
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Return identifier (PID) of process or `None` if it has yet to start
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Return a file descriptor (Unix) or handle (Windows) suitable for
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