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Return process object representing the current process
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Return list of process objects corresponding to live child processes
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Return process object representing the parent process
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Process objects represent activity that is run in a separate process
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Method to be run in sub-process; can be overridden in sub-class
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Start child process
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Terminate process; sends SIGTERM signal or uses TerminateProcess()
N)r< r � terminater r r r rB � s zBaseProcess.terminatec C s | � � | j�� dS )zT
Terminate process; sends SIGKILL signal or uses TerminateProcess()
N)r< r �killr r r r rC � s zBaseProcess.killc C sR | � � | jt�� ks J d��| jdus0J d��| j�|�}|durNt�| � dS )z5
Wait until child process terminates
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Return whether process is alive
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Close the Process object.
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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
N)r< r r r r r r �exitcode� s
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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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Wait until parent process terminates
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rg c @ s e Zd Zdd� Zdd� ZdS )� _MainProcessc C s8 d| _ d| _d | _d | _d| _tt�d��dd�| _d S )Nr � MainProcessF� z/mp)rL � semprefix) r! r2 r& r r) rM r$ �urandomr" r r r r r: � s �z_MainProcess.__init__c C s d S r r r r r r rI � s z_MainProcess.closeN)r0 r~ r r: rI r r r r r� � s r� r] � �SIG�_r )$�__all__r$ rs �signalrd rh � _weakrefsetr �path�abspath�getcwd� ORIGINAL_DIR�OSErrorr r r r
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