관리-도구
편집 파일: reduction.cpython-310.opt-1.pyc
o 6��f(% � @ s d dl mZ d dlZd dlZd dlZd dlZd dlZd dlZd dlZddl m Z g d�Z ej dkp@e ed�o@e ed�o@e ejd �ZG d d � d ej�ZejZd8d d �Zej dkr~e g d�7 Z d dlZd9dd�dd�Zdd� Zdd� Zdd� ZG dd� de�Zn#e g d�7 Z d dlZej d kZd d � Z d d � Z d!d� Zd"d� Zd#d$� Z d%d&� Z G d'd(� d(�Z ee!e � j"�e � d)d*� Z#ee!e$j%�e#� ee!e&j'�e#� d+d,� Z(d-d.� Z)eej*e(� ej dkr�d/d0� Z+d1d2� Z,eeje+� nd3d0� Z+d4d2� Z,eeje+� G d5d6� d6ed7�Z-dS ):� )�ABCMetaN� )�context)� send_handle� recv_handle�ForkingPickler�register�dump�win32ZCMSG_LEN� SCM_RIGHTS�sendmsgc sJ e Zd ZdZi ZejZ� fdd�Ze dd� �Z e d dd��Z e j Z � ZS ) r z)Pickler subclass used by multiprocessing.c s* t � j|� | j�� | _| j�| j� d S �N)�super�__init__�_copyreg_dispatch_table�copy�dispatch_table�update�_extra_reducers��self�args�� __class__� �@/opt/alt/python310/lib64/python3.10/multiprocessing/reduction.pyr & s zForkingPickler.__init__c C s || j |< dS )z&Register a reduce function for a type.N)r )�cls�type�reducer r r r + s zForkingPickler.registerNc C s t �� }| ||��|� |�� S r )�io�BytesIOr � getbuffer)r �obj�protocolZbufr r r �dumps0 s zForkingPickler.dumpsr )�__name__� __module__� __qualname__�__doc__r �copyregr r r � classmethodr r$ �pickle�loads� __classcell__r r r r r ! s r c C s t ||��| � dS )z3Replacement for pickle.dump() using ForkingPickler.N)r r )r" �filer# r r r r : s r )� DupHandle� duplicate� steal_handleF)�source_processc C s6 t �� }|du r |}|du r|}t �|| |d|t j�S )z<Duplicate a handle. (target_process is a handle not a pid!)Nr )�_winapi�GetCurrentProcess�DuplicateHandle�DUPLICATE_SAME_ACCESS)�handleZtarget_processZ inheritabler2 Zcurrent_processr r r r0 G s �r0 c C sJ t �t jd| �}zt �||t �� ddt jt jB �W t �|� S t �|� w )z5Steal a handle from process identified by source_pid.Fr )r3 � OpenProcess�PROCESS_DUP_HANDLEr5 r4 r6 �DUPLICATE_CLOSE_SOURCE� CloseHandle)Z source_pidr7 Zsource_process_handler r r r1 S s � �r1 c C s t |tj|�}| �|� dS �z&Send a handle over a local connection.N)r/ r3 r6 �send)�connr7 �destination_pidZdhr r r r _ s r c C s | � � �� S )�)Receive a handle over a local connection.)�recv�detach)r> r r r r d s r c @ s" e Zd ZdZddd�Zdd� ZdS )r/ z Picklable wrapper for a handle.Nc C sf |d u rt �� }t�tjd|�}zt�t�� |||dd�| _W t�|� nt�|� w || _ || _ d S )NFr ) �os�getpidr3 r8 r9 r5 r4 �_handler; �_access�_pid)r r7 �access�pid�procr r r r j s � zDupHandle.__init__c C s^ | j t�� kr | jS t�tjd| j �}zt�|| jt�� | j dtj �W t� |� S t� |� w )z1Get the handle. This should only be called once.F) rG rC rD rE r3 r8 r9 r5 r4 rF r: r; )r rJ r r r rB y s � �zDupHandle.detachr )r% r& r' r( r rB r r r r r/ h s r/ )�DupFd�sendfds�recvfds�darwinc C sZ t � d|�}tt|�d g�}| �|gtjtj|fg� tr)| �d�dkr+t d��dS dS )z,Send an array of fds over an AF_UNIX socket.�i� r � Az%did not receive acknowledgement of fdN) �array�bytes�lenr �socket� SOL_SOCKETr � ACKNOWLEDGErA � RuntimeError)�sockZfds�msgr r r rL � s �rL c C s t � d�}|j| }| �dt�|��\}}}}|s |s t�z[tr%| �d� t|�dkr3t dt|� ��|d \}} } |tj kro| tj krtt| �|j dkrOt �|� | � t|�d |d krjtd�t|�|d ���t|�W S W t d��W t d�� t tfy� Y t d��w ) z/Receive an array of fds over an AF_UNIX socket.rO r rQ z received %d items of ancdatar rP z Len is {0:n} but msg[0] is {1!r}zInvalid data received)rR �itemsizeZrecvmsgrU Z CMSG_SPACE�EOFErrorrW r= rT rX rV r � ValueErrorZ frombytes�AssertionError�format�list� IndexError) rY �size�aZ bytes_sizerZ Zancdata�flagsZaddrZ cmsg_levelZ cmsg_typeZ cmsg_datar r r rM � sB � �� � � ��rM c C sH t �| �� t jt j��}t||g� W d � dS 1 s w Y dS r< )rU �fromfd�fileno�AF_UNIX� SOCK_STREAMrL )r> r7 r? �sr r r r � s "�c C sH t �| �� t jt j��}t|d�d W d � S 1 s w Y dS )r@ r r N)rU re rf rg rh rM )r> ri r r r r � s $�c C sB t �� }|dur|�|�| ��S tr ddlm} |�| �S td��)zReturn a wrapper for an fd.Nr )�resource_sharerz&SCM_RIGHTS appears not to be available)r Zget_spawning_popenrK Zduplicate_for_child�HAVE_SEND_HANDLE� rj r] )�fdZ popen_objrj r r r rK � s rK c C s. | j d u rt| j| jjffS t| j | jjffS r )�__self__�getattrr �__func__r% ��mr r r �_reduce_method� s rs c @ s e Zd Zdd� ZdS )�_Cc C s d S r r )r r r r �f� s z_C.fN)r% r& r' ru r r r r rt � s rt c C s t | j| jffS r )ro � __objclass__r% rq r r r �_reduce_method_descriptor� s rw c C s t | j| j| jp i ffS r )�_rebuild_partial�funcr �keywords)�pr r r �_reduce_partial� � r| c C s t j| g|�R i |��S r )� functools�partial)ry r rz r r r rx � r} rx c C s ddl m} t|| �ffS )Nr )� DupSocket)rj r� �_rebuild_socket)ri r� r r r �_reduce_socket� s r� c C s | � � S r )rB )Zdsr r r r� � s r� c C s" t | �� �}t|| j| j| jffS r )rK rf r� �familyr �proto)ri �dfr r r r� � s c C s | � � }tj||||d�S )N)rf )rB rU )r� r� r r� rm r r r r� � s c @ sd e Zd ZdZeZeZeZeZeZe j dkr e Z e Z e Z neZeZeZeZeZeZeZeZdd� ZdS )�AbstractReducerz�Abstract base class for use in implementing a Reduction class suitable for use in replacing the standard reduction mechanism used in multiprocessing.r c G sN t tt� j�t� t ttj�t� t ttj �t� t t j t � t t j t� d S r )r r rt ru rs r` �appendrw �int�__add__r~ r r| rU r� r r r r r s zAbstractReducer.__init__N)r% r& r' r( r r r r r �sys�platformr1 r0 r/ rL rM rK rs rw rx r� r� r r r r r r� � s( r� )� metaclassr )NF).�abcr r) r~ r rC r+ rU r� rl r �__all__r� �hasattrrk ZPicklerr r r r3 r0 r1 r r �objectr/ rR rW rL rM rK rs rt r ru rw r` r� r� r� r| rx r r� r� r� r r r r �<module> sl � � � #