| Server IP : 209.38.156.173 / Your IP : 216.73.216.122 [ Web Server : Apache/2.4.52 (Ubuntu) System : Linux lakekumayuhotel 5.15.0-136-generic #147-Ubuntu SMP Sat Mar 15 15:53:30 UTC 2025 x86_64 User : root ( 0) PHP Version : 8.1.2-1ubuntu2.22 Disable Function : NONE Domains : 2 Domains MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /lib/python3.10/multiprocessing/__pycache__/ |
Upload File : |
o
}�5hj- � @ s� d dl Z d dlmZ d dlZd dlZd dlZd dlZd dlZddlm Z m
Z
ddl m Z dgZ
ejdkrAd dlZG dd � d e�ZnG d
d � d e�Zd d � Zd
d� Ze �ee� G dd� de�ZG dd� de�ZdS )� N)� defaultdict� )� reduction�assert_spawning)�util�
BufferWrapper�win32c @ s0 e Zd ZdZe�� Zdd� Zdd� Zdd� Z dS ) �ArenazL
A shared memory area backed by anonymous memory (Windows).
c C sx || _ td�D ]!}dt�� t| j�f }tjd||d�}t�� dkr$ n |� � qt
d��|| _ || _ | j | j f| _
d S )N�d z pym-%d-%s�����tagnamer z Cannot find name for new mmap)�size�range�os�getpid�next�_rand�mmap�_winapi� GetLastError�close�FileExistsError�name�buffer�_state)�selfr �ir �buf� r �+/usr/lib/python3.10/multiprocessing/heap.py�__init__& s
�Arena.__init__c C s t | � | jS �N)r r )r r r r � __getstate__5 s zArena.__getstate__c C s, | \| _ | _| _tjd| j | jd�| _d S )Nr r )r r r r r )r �stater r r � __setstate__9 s zArena.__setstate__N)
�__name__�
__module__� __qualname__�__doc__�tempfile�_RandomNameSequencer r! r$ r& r r r r r s r c @ s8 e Zd ZdZejdkrdgZng Zd
dd�Zdd� Zd S ) r zJ
A shared memory area backed by a temporary file (POSIX).
�linuxz/dev/shmr c C sx || _ || _|dkr1tjdt�� | �|�d�\| _}t�|� t� | tj
| jf� t� | j|� t � | j| j �| _
d S )Nr zpym-%d-)�prefix�dir)r �fdr+ �mkstempr r � _choose_dir�unlinkr �Finalizer � ftruncater r )r r r0 r r r r r! M s
�
r" c C s6 | j D ]}t�|�}|j|j |kr| S qt�� S r# )�_dir_candidatesr �statvfs�f_bavail�f_frsizer � get_temp_dir)r r �d�str r r r2 [ s
�zArena._choose_dirN)r ) r' r( r) r* �sys�platformr6 r! r2 r r r r r C s
c C s( | j dkr td��t| jt�| j �ffS )Nr zDArena is unpicklable because forking was enabled when it was created)r0 �
ValueError�
rebuild_arenar r �DupFd)�ar r r � reduce_arenad s
rC c C s t | |�� �S r# )r �detach)r �dupfdr r r r@ j s r@ c @ sz e Zd ZdZdZdZejfdd�Ze dd� �Z
dd� Z d d
� Z d d � Z
d
d� Zdd� Zdd� Zdd� Zdd� Zdd� ZdS )�Heap� i @ c C sX t �� | _t�� | _|| _g | _i | _i | _ i | _
t t �| _
g | _g | _d| _d| _d S �Nr )r r �_lastpid� threading�Lock�_lock�_size�_lengths� _len_to_seq�_start_to_block�_stop_to_blockr �set�_allocated_blocks�_arenas�_pending_free_blocks�
_n_mallocs�_n_frees)r r r r r r! { s
z
Heap.__init__c C s |d }| | | @ S )Nr r )�n� alignment�maskr r r �_roundup� s z
Heap._roundupc C sZ | � t| j|�tj�}| j| jk r| jd9 _t�d|� t|�}| j �
|� |d|fS )N� z"allocating a new mmap of length %dr ) r[ �maxrM r �PAGESIZE�_DOUBLE_ARENA_SIZE_UNTILr �infor rT �append)r r �length�arenar r r �
_new_arena� s
zHeap._new_arenac C s� |j }|| jk r
d S | j�|�}|rJ �| j|df= | j||f= | j�|� | j| }|�|d|f� |sA| j|= | j �|� d S d S rH )
r � _DISCARD_FREE_SPACE_LARGER_THANrS �poprP rQ rT �removerO rN )r rc rb �blocks�seqr r r �_discard_arena� s
�zHeap._discard_arenac C s| t �| j|�}|t| j�kr| �|�S | j| }| j| }|�� }|s+| j|= | j|= |\}}}| j||f= | j||f= |S r# ) �bisect� bisect_leftrN �lenrd rO rf rP rQ ) r r r rb ri �blockrc �start�stopr r r �_malloc� s
z Heap._mallocc C s� |\}}}z | j ||f }W n ty Y nw | �|�\}}z | j||f }W n ty1 Y nw | �|�\}}|||f}|| }z
| j| �|� W n tyb |g| j|< t�| j|� Y nw || j||f< || j ||f< d S r# ) rQ �KeyError�_absorbrP rO ra rk �insortrN ) r rn rc ro rp �
prev_block�_�
next_blockrb r r r �_add_free_block� s.
� �
�zHeap._add_free_blockc C s^ |\}}}| j ||f= | j||f= || }| j| }|�|� |s+| j|= | j�|� ||fS r# )rP rQ rO rg rN )r rn rc ro rp rb ri r r r rs � s
z Heap._absorbc C s8 |\}}}| j | }|�||f� |s| �|� d S d S r# )rS rg rj )r rn rc ro rp rh r r r �_remove_allocated_block� s
�z Heap._remove_allocated_blockc C s< z| j �� }W n
ty Y d S w | �|� | �|� qr# )rU rf �
IndexErrorrx ry �r rn r r r �_free_pending_blocks s �
�zHeap._free_pending_blocksc C s� t �� | jkrtd�t �� | j���| j�d�s | j�|� d S z | j d7 _ | �
� | � |� | � |� W | j�
� d S | j�
� w )Nz$My pid ({0:n}) is not last pid {1:n}Fr )r r rI r? �formatrL �acquirerU ra rW r| rx ry �releaser{ r r r �free s
��
z Heap.freec C s� |dk r t d�|���tj|krtd�|���t�� | jkr"| �� | j �D | j
d7 _
| � � | � t
|d�| j�}| �|�\}}}|| }||k rS| �|||f� | j| �||f� |||fW d � S 1 slw Y d S )Nr �Size {0:n} out of range�Size {0:n} too larger )r? r} r= �maxsize�
OverflowErrorr r rI r! rL rV r| r[ r] �
_alignmentrq rx rS �add)r r rc ro rp � real_stopr r r �malloc( s"
$�z Heap.mallocN)r' r( r) r� re r_ r r^ r! � staticmethodr[ rd rj rq rx rs ry r| r� r� r r r r rF s s
rF c @ s" e Zd Ze� Zdd� Zdd� ZdS )r c C s^ |dk r t d�|���tj|krtd�|���tj�|�}||f| _t j
| tjj |fd� d S )Nr r� r� )�args) r? r} r= r� r� r �_heapr� r r r4 r� )r r rn r r r r! F s
zBufferWrapper.__init__c C s& | j \\}}}}t|j�||| � S r# )r �
memoryviewr )r rc ro rp r r r r �create_memoryviewO s z BufferWrapper.create_memoryviewN)r' r( r) rF r� r! r� r r r r r B s )rk � collectionsr r r r= r+ rJ �contextr r � r �__all__r> r �objectr rC r@ �registerrF r r r r r �<module> s(
$! P