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Mini Shell
Mini Shell
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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
)Ú_cleanupÚlistÚ _childrenr r r r r + s c C s t S )z?
Return process object representing the parent process
)Ú_parent_processr r r r r 3 s c C s* t tƒD ] } | j ¡ d k rt | ¡ qd S ©N)r r Ú_popenÚpollÚdiscard)Úpr r r r
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Process objects represent activity that is run in a separate process
The class is analogous to `threading.Thread`
c C s t ‚d S r )ÚNotImplementedError©Úselfr r r Ú_PopenM s zBaseProcess._PopenNr )Údaemonc C s° |d kst dƒ‚ttƒ}tj|f | _tj ¡ | _t ¡ | _ tj
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|| _t|ƒ| _t|ƒ| _|pt| ƒjd d dd„ | jD ƒ¡ | _|d k r¢|| _t | ¡ d S )Nz#group argument must be None for nowFú-ú:c s s | ]}t |ƒV qd S r )Ústr)Ú.0Úir r r Ú <genexpr>^ s z'BaseProcess.__init__.<locals>.<genexpr>)ÚAssertionErrorÚnextÚ_process_counterr Ú _identityÚ_configÚcopyÚosÚgetpidÚ _parent_pidÚnameÚ _parent_namer Ú_closedÚ_targetÚtupleÚ_argsÚdictÚ_kwargsÚtypeÚ__name__ÚjoinÚ_namer Ú _danglingÚadd)r ÚgroupÚtargetr' ÚargsÚkwargsr Úcountr r r Ú__init__P s"
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_check_closedc s zBaseProcess._check_closedc C s | j r| j | j| jŽ dS )zQ
Method to be run in sub-process; can be overridden in sub-class
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Start child process
Nz cannot start a process twicez:can only start a process object created by current processr z3daemonic processes are not allowed to have children)r< r r r& r$ r% r r" Úgetr
r ÚsentinelÚ _sentinelr* r, r. r r4 r r r r Ústartn s ÿÿ
zBaseProcess.startc C s | ¡ | j ¡ dS )zT
Terminate process; sends SIGTERM signal or uses TerminateProcess()
N)r< r Ú terminater r r r rB € s zBaseProcess.terminatec C s | ¡ | j ¡ dS )zT
Terminate process; sends SIGKILL signal or uses TerminateProcess()
N)r< r Úkillr r r r rC ‡ s zBaseProcess.killc C sR | ¡ | jt ¡ ks tdƒ‚| jdk s0tdƒ‚| j |¡}|dk rNt | ¡ dS )z5
Wait until child process terminates
z can only join a child processNz can only join a started process) r< r& r$ r% r r Úwaitr r )r ÚtimeoutÚresr r r r1 Ž s zBaseProcess.joinc C s` | ¡ | tkrdS | jt ¡ ks*tdƒ‚| jdkr8dS | j ¡ }|dkrNdS t | ¡ dS dS )z1
Return whether process is alive
Tz can only test a child processNF)
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returncoder r r Úis_alive™ s
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Close the Process object.
This method releases resources held by the Process object. It is
an error to call this method if the child process is still running.
Nz^Cannot close a process while it is still running. You should first call join() or terminate().T)r r r; Úcloser@ r r r) r r r r rI ¬ s
zBaseProcess.closec C s | j S r )r2 r r r r r' ½ s zBaseProcess.namec C s t |tƒstdƒ‚|| _d S )Nzname must be a string)Ú
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Return whether process is a daemon
r F)r" r> r r r r r Æ s zBaseProcess.daemonc C s | j dkstdƒ‚|| jd< dS )z1
Set whether process is a daemon
Nzprocess has already startedr )r r r" )r Údaemonicr r r r Í s c C s
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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 Úexitcodeà s
zBaseProcess.exitcodec C s* | ¡ | tkrt ¡ S | jo$| jjS dS )zU
Return identifier (PID) of process or `None` if it has yet to start
N)r< r r$ r% r Úpidr r r r Úidentê s zBaseProcess.identc C s4 | ¡ z| jW S tk
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Return a file descriptor (Unix) or handle (Windows) suitable for
waiting for process termination.
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c @ s e Zd Zdd„ ZdS )rM c C s, ddl m} |ƒ d kr tdƒ‚tt| ƒffS )Nr] )Úget_spawning_popenzJPickling an AuthenticationString object is disallowed for security reasons)r_ r‚ Ú TypeErrorrM Úbytes)r r‚ r r r Ú
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ÿz AuthenticationString.__reduce__N)r0 r} r~ r… r r r r rM W s rM c @ s6 e Zd Zdd„ Zdd„ Zedd„ ƒZd
dd „ZeZdS ) rj c C s4 d| _ || _|| _d | _d | _d| _|| _i | _d S )Nr F)r! r2 Ú_pidr& r r) r@ r" )r r' rO r? r r r r: h s z_ParentProcess.__init__c C s ddl m} || jgdd S )Nr ©rD ©rE ©Úmultiprocessing.connectionrD r@ )r rD r r r rH r s z_ParentProcess.is_alivec C s | j S r )r† r r r r rP v s z_ParentProcess.identNc C s ddl m} || jg|d dS )z6
Wait until parent process terminates
r r‡ rˆ Nr‰ )r rE rD r r r r1 z s z_ParentProcess.join)N) r0 r} r~ r: rH r€ rP r1 rO r r r r rj f s
rj c @ s e Zd Zdd„ Zdd„ ZdS )Ú _MainProcessc C s8 d| _ d| _d | _d | _d| _tt d¡ƒddœ| _d S )Nr Ú MainProcessFé z/mp)rL Ú semprefix) r! r2 r& r r) rM r$ Úurandomr" r r r r r: ‰ s ÿz_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] é ZSIGÚ_r )$Ú__all__r$ rt Úsignalrg rb Ú _weakrefsetr ÚpathÚabspathÚgetcwdÚ ORIGINAL_DIRÚOSErrorr r r r
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Zerion Mini Shell 1.0