File: //lib64/python3.6/multiprocessing/__pycache__/process.cpython-36.pyc
3
\# @ s d ddgZ ddlZddlZddlZddlZddlmZ yejjej Z
W n e k
rb dZ
Y nX dd Z dd Z
dd ZG d
d d eZG d d d eZG d
d deZe aejdae a[i Zx<eejj D ]*\Z Z e dd dkode kre ee < qW e Z dS ) BaseProcesscurrent_processactive_children N)WeakSetc C s t S )z@
Return process object representing the current process
)_current_process r r //usr/lib64/python3.6/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. x(t tD ] } | jj d k r
tj| q
W d S )N)r
r _popenpolldiscard)pr r r r 4 s r c @ s e Zd ZdZdd Zdddf i fddddZdd Zd
d Zd d
Zd%ddZ dd Z
e dd Z e j
dd Z e dd Zej
dd Ze dd Zej
dd Ze dd Ze d d ZeZe d d Zd!d" Zd#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 )N)NotImplementedError)selfr r r _PopenD s zBaseProcess._PopenN)daemonc C s |d kst dtt}tj|f | _tjj | _tj | _ d | _
|| _ t || _
t|| _|pt| jd djdd | jD | _|d k r|| _tj| d S )Nz#group argument must be None for now-:c s s | ]}t |V qd S )N)str).0ir r r <genexpr>S s z'BaseProcess.__init__.<locals>.<genexpr>)AssertionErrornext_process_counterr _identity_configcopyosgetpid _parent_pidr _targettuple_argsdict_kwargstype__name__join_namer _danglingadd)r grouptargetnameargskwargsr countr r r __init__G s
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
N)r# r% r' )r r r r runX s zBaseProcess.runc C st | j dkstd| jtj ks(tdtjjd s>tdt | j | | _ | j j
| _ | ` | `
| `tj| 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 getr r sentinel _sentinelr# r% r' r r- )r r r r start_ s
zBaseProcess.startc C s | j j dS )zT
Terminate process; sends SIGTERM signal or uses TerminateProcess()
N)r terminate)r r r r r: p s zBaseProcess.terminatec C sJ | j tj kstd| jdk s(td| jj|}|dk rFtj| 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 waitr r )r Ztimeoutresr r r r* v s
zBaseProcess.joinc C sX | t kr dS | jtj ks"td| jdkr0dS | jj }|dkrFdS tj| 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
returncoder r r is_alive s
zBaseProcess.is_alivec C s | j S )N)r+ )r r r r r0 s zBaseProcess.namec C s t |tstd|| _d S )Nzname must be a string)
isinstancer r r+ )r r0 r r r r0 s c C s | j jddS )z4
Return whether process is a daemon
r F)r r6 )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 r@ s zBaseProcess.authkeyc C s t || jd< dS )z2
Set authorization key of process
r@ N)AuthenticationStringr )r r@ r r r r@ s c C s | j dkr| j S | j j S )zM
Return exit code of process or `None` if it has yet to stop
N)r r
)r r r r exitcode s
zBaseProcess.exitcodec C s" | t krtj S | jo | jjS dS )zU
Return identifier (PID) of process or `None` if it has yet to start
N)r r r! r pid)r r r r ident s zBaseProcess.identc C s( y| j S tk
r" tdY nX dS )z{
Return a file descriptor (Unix) or handle (Windows) suitable for
waiting for process termination.
zprocess not startedN)r8 AttributeError
ValueError)r r r r r7 s zBaseProcess.sentinelc C s | t krd}n>| jtj kr"d}n*| jd kr2d}n| jj d k rH| j}nd}t|tkrv|dkrfd}ndt j
|| }dt| j | j || j
rdpd f S )
NZstartedunknowninitialr Zstoppedz stopped[%s]z<%s(%s, %s%s)>z daemon )r r" r r! r r
rB r( int_exitcode_to_namer6 r) r+ r )r Zstatusr r r __repr__ s
zBaseProcess.__repr__c C sJ ddl m}m} zy|| jd k r,|j| j tjdat a |j
t }| a z|j j
|j W d ~X |jd z| j d}W d |j X W n tk
r } zL|jsd}n:t|jd tr|jd }n tjjt|jd d d}W Y d d }~X n2 d}dd l}tjjd| j |j Y nX W d |jd| |j X |S )N )utilcontextz child process calling self.run()r
z Process %s:
z process exiting with exitcode %d) rI rN rO Z
_start_methodZ_force_start_method itertoolsr3 r setr Z _close_stdinr Z_finalizer_registryclearZ_run_after_forkersinfor5 Z_exit_function
SystemExitr1 r? rJ sysstderrwriter tracebackr0 print_excZ_flush_std_streams)r rN rO Z old_processrB erY r r r
_bootstrap sB
zBaseProcess._bootstrap)N)r)
__module__ __qualname____doc__r r4 r5 r9 r: r* r> propertyr0 setterr r@ rB rD rC r7 rL r\ r r r r r > s*
c @ s e Zd Zdd ZdS )rA c C s, ddl m} | d kr tdtt| ffS )NrM )get_spawning_popenzJPickling an AuthenticationString object is disallowed for security reasons)rO rb TypeErrorrA bytes)r rb r r r
__reduce__ s
z AuthenticationString.__reduce__N)r) r] r^ re r r r r rA s rA c @ s e Zd Zdd ZdS ) _MainProcessc C s2 f | _ d| _d | _d | _ttjddd| _d S )NZ MainProcess z/mp)r@ Z semprefix)r r+ r" r rA r urandomr )r r r r r4 - s z_MainProcess.__init__N)r) r] r^ r4 r r r r rf + s rf rM ZSIG_) __all__r rV signalrQ _weakrefsetr pathabspathgetcwdZ ORIGINAL_DIROSErrorr r r objectr rd rA rf r r3 r rR r rK r
__dict__itemsr0 Zsignumr, r r r r <module>
s2
`