File: //lib64/python3.8/multiprocessing/__pycache__/process.cpython-38.pyc
U
e5d. @ s8 d dddgZ ddlZddlZddlZddlZddlZddlmZ zej e
Z W n e k
rl dZ Y nX dd Z
dd Zd d Zd
d ZG d d d eZG d
d deZG dd deZG dd deZdae aedae a [i Z e ej D ]0\Z!Z"e!dd dkrde!krde! e e" < qe Z#dS ) BaseProcesscurrent_processactive_childrenparent_process N)WeakSetc C s t S )z@
Return process object representing the current process
)_current_process r r //usr/lib64/python3.8/multiprocessing/process.pyr % s c C s t ttS )zN
Return list of process objects corresponding to live child processes
)_cleanuplist _childrenr r r r r + s c C s t S )z?
Return process object representing the parent process
)_parent_processr r r r r 3 s c C s* t tD ] } | j d k rt| qd S N)r r _popenpolldiscard)pr r r r
= s r
c @ s e Zd ZdZdd Zddddi fddddZd d
Zd d Zd
d Zdd Z dd Z
d,ddZ dd Z dd Z
edd Zejdd Zed d Zejd d Zed d Zejd!d Zed"d# Zed$d% ZeZed&d' Zd(d) Zd-d*d+ZdS ).r z
Process objects represent activity that is run in a separate process
The class is analogous to `threading.Thread`
c C s t d S r )NotImplementedErrorselfr r r _PopenM s zBaseProcess._PopenNr )daemonc C s |d kst dtt}tj|f | _tj | _t | _ tj
| _ d | _ d| _
|| _t|| _t|| _|pt| jd ddd | jD | _|d k r|| _t| d S )Nz#group argument must be None for nowF-:c s s | ]}t |V qd S r )str).0ir r r <genexpr>^ s z'BaseProcess.__init__.<locals>.<genexpr>)AssertionErrornext_process_counterr _identity_configcopyosgetpid _parent_pidname _parent_namer _closed_targettuple_argsdict_kwargstype__name__join_namer _danglingadd)r grouptargetr' argskwargsr countr r r __init__P s"
zBaseProcess.__init__c C s | j rtdd S )Nzprocess object is closed)r)
ValueErrorr r r r
_check_closedc s zBaseProcess._check_closedc C s | j r| j | j| j dS )zQ
Method to be run in sub-process; can be overridden in sub-class
N)r* r, r. r r r r rung s zBaseProcess.runc C sz | | jdkstd| jt ks0tdtjdrDtdt |
| | _| jj | _ | `
| `| `t| dS )z%
Start child process
Nz cannot start a process twicez:can only start a process object created by current processr z3daemonic processes are not allowed to have children)r< r r r& r$ r% r r" getr
r sentinel _sentinelr* r, r. r r4 r r r r startn s
zBaseProcess.startc C s | | j dS )zT
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 td| jdk s0td| 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 waitr r )r timeoutresr r r r1 s zBaseProcess.joinc C s` | | tkrdS | jt ks*td| jdkr8dS | j }|dkrNdS t | dS dS )z1
Return whether process is alive
Tz can only test a child processNF)
r< r r& r$ r% r r r r r )r
returncoder r r is_alive s
zBaseProcess.is_alivec C sH | j dk r>| j dkr td| j d| _ | `t| d| _dS )z
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; closer@ r r r) r r r r rI s
zBaseProcess.closec C s | j S r )r2 r r r r r' s zBaseProcess.namec C s t |tstd|| _d S )Nzname must be a string)
isinstancer r r2 )r r' r r r r' s c C s | j ddS )z4
Return whether process is a daemon
r F)r" r> r r r r r s zBaseProcess.daemonc C s | j dkstd|| jd< dS )z1
Set whether process is a daemon
Nzprocess has already startedr )r r r" )r Zdaemonicr r r r s c C s
| j d S )Nauthkey)r" r r r r rK s zBaseProcess.authkeyc C s t || jd< dS )z2
Set authorization key of process
rK N)AuthenticationStringr" )r rK r r r rK s c C s" | | jdkr| jS | j S )zM
Return exit code of process or `None` if it has yet to stop
N)r< r r r r r r exitcode 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 pidr r r r ident s zBaseProcess.identc C s4 | z| jW S tk
r. tddY nX dS )z{
Return a file descriptor (Unix) or handle (Windows) suitable for
waiting for process termination.
zprocess not startedN)r< r@ AttributeErrorr; r r r r r? s
zBaseProcess.sentinelc C s d }| t krd}nL| jr d}n@| jt kr2d}n,| jd krBd}n | j }|d k rZd}nd}t| jd| j g}| jd k r|
d| jj |
d| j |
| |d k rt
||}|
d | | jr|
d
d d | S )
NZstartedclosedunknowninitialZstoppedzname=%rzpid=%sz parent=%sz exitcode=%sr z<%s> )r r) r& r$ r% r r r/ r0 r2 appendrN _exitcode_to_namer> r r1 )r rM Zstatusinfor r r __repr__ s0
zBaseProcess.__repr__c
C sv ddl m}m} z>z| jd k r,|| j t
da t a
| t}| at| j| j|atjrnt z|j | W 5 ~X |d z| d}W 5 | X W n t k
r } zJ|j sd}n:t |j d t r|j d }n t j!"t#|j d d d}W 5 d }~X Y n2 d}dd l$}t j!"d| j% |& Y nX W 5 t |d| | X |S )N )utilcontextz process exiting with exitcode %dz child process calling self.run()r
z Process %s:
)' rZ r[ threadingZ _shutdownrW Z_flush_std_streamsZ
_start_methodZ_force_start_method itertoolsr9 r setr Z _close_stdinr _ParentProcessr( r& r
Z_HAVE_THREAD_NATIVE_IDZ main_threadZ_set_native_idZ_finalizer_registryclearZ_run_after_forkersZ_exit_functionr=
SystemExitr7 rJ intsysstderrwriter tracebackr' print_exc)r Zparent_sentinelrZ r[ rM Z old_processerh r r r
_bootstrap" sR
zBaseProcess._bootstrap)N)N)r0
__module__ __qualname____doc__r r: r< r= rA rB rC r1 rH rI propertyr' setterr rK rM rO rN r? rX rk r r r r r G sD
c @ s e Zd Zdd ZdS )rL c C s, ddl m} | d kr tdtt| ffS )NrY )get_spawning_popenzJPickling an AuthenticationString object is disallowed for security reasons)r[ rq TypeErrorrL bytes)r rq r r r
__reduce__X s
z AuthenticationString.__reduce__N)r0 rl rm rt r r r r rL W s rL c @ s6 e Zd Zdd Zdd Zedd Zd
dd ZeZdS ) ra c C s4 d| _ || _|| _d | _d | _d| _|| _i | _d S )Nr F)r! r2 _pidr& r r) r@ r" )r r' rN r? r r r r: h s z_ParentProcess.__init__c C s ddl m} || jgdd S )Nr rD rE Zmultiprocessing.connectionrD r@ )r rD r r r rH r s z_ParentProcess.is_alivec C s | j S r )ru r r r r rO v s z_ParentProcess.identNc C s ddl m} || jg|d dS )z6
Wait until parent process terminates
r rv rw Nrx )r rE rD r r r r1 z s z_ParentProcess.join)N) r0 rl rm r: rH ro rO r1 rN r r r r ra f s
ra c @ s e Zd Zdd Zdd ZdS ) _MainProcessc C s8 d| _ d| _d | _d | _d| _ttddd| _d S )Nr Z MainProcessF z/mp)rK Z semprefix) r! r2 r& r r) rL r$ 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 rl rm r: rI r r r r ry s ry rY ZSIG_r )$__all__r$ re signalr_ r^ Z _weakrefsetr pathabspathgetcwdZ ORIGINAL_DIROSErrorr r r r
objectr rs rL ra ry r
r r9 r r` r rV r __dict__itemsr' Zsignumr3 r r r r <module>
s@
!