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Editing: synchronize.cpython-34.pyc
� e f�/ � @ s� d d d d d d g Z d d l Z d d l Z d d l Z d d l Z d d l m Z d d l m Z d d l m Z d d l m Z y d d l m Z m Z Wn* e k r� e d d d d � � Yn Xe e d � � \ Z Z e j j Z Gd d � d e � Z Gd d � d e � Z Gd d � d e � Z Gd d � d e � Z Gd d � d e � Z Gd d � d e � Z Gd d � d e � Z Gd d � d e j � Z d S) �Lock�RLock� Semaphore�BoundedSemaphore� Condition�Event� N)�time� )�context)�process)�util)�SemLock� sem_unlinkz*This platform lacks a functioning sem_openz( implementation, therefore, the requiredz+ synchronization primitives needed will notz function, see issue 3770.� c @ s� e Z d Z e j � Z d d � Z e d d � � Z d d � Z d d � Z d d � Z d d � Z d d � Z e d d � � Z d S)r c C sT | d k r t j j � } n | j � } t j d k pB | d k } xb t d � D]H } y, t j | | | | j � | � } | _ Wn t k r� YqR XPqR Wt d � � t j d | j � | j � t j d k r� d d � } t j | | � n | j j d k rPd d l m } | | j j � t j | t j | j j f d d �n d S) N�win32�fork�d z cannot find name for semaphorez created semlock with handle %sc S s | j j � d S)N)�_semlock� _after_fork)�obj� r �@/opt/alt/python34/lib64/python3.4/multiprocessing/synchronize.pyr H s z%SemLock.__init__.<locals>._after_forkr )�registerZ exitpriorityr )r Z_default_contextZ get_contextZget_start_method�sys�platform�range�_multiprocessingr � _make_namer �FileExistsErrorr �debug�handle� _make_methodsZregister_after_fork�name�semaphore_trackerr ZFinalize�_cleanup) �self�kind�value�maxvalue�ctxr" Z unlink_now�i�slr r r r r �__init__3 s. zSemLock.__init__c C s( d d l m } t | � | | � d S)Nr )� unregister)r# r- r )r" r- r r r r$ U s zSemLock._cleanupc C s" | j j | _ | j j | _ d S)N)r �acquire�release)r% r r r r! [ s zSemLock._make_methodsc C s | j j � S)N)r � __enter__)r% r r r r0 _ s zSemLock.__enter__c G s | j j | � S)N)r �__exit__)r% �argsr r r r1 b s zSemLock.__exit__c C sb t j | � | j } t j d k r@ t j � j | j � } n | j } | | j | j | j f S)Nr ) r �assert_spawningr r r Zget_spawning_popenZduplicate_for_childr r& r( r" )r% r+ �hr r r � __getstate__e s zSemLock.__getstate__c C s8 t j j | � | _ t j d | d � | j � d S)Nz recreated blocker with handle %rr )r r Z_rebuildr r r r! )r% �stater r r � __setstate__n s zSemLock.__setstate__c C s$ d t j � j d t t j � f S)Nz%s-%sZ semprefix)r �current_processZ_config�nextr �_randr r r r r s s zSemLock._make_nameN)�__name__� __module__� __qualname__�tempfileZ_RandomNameSequencer: r, � staticmethodr$ r! r0 r1 r5 r7 r r r r r r / s " r c @ s7 e Z d Z d d d � Z d d � Z d d � Z d S) r r c C s t j | t | t d | �d S)Nr) )r r, � SEMAPHORE� SEM_VALUE_MAX)r% r' r) r r r r, ~ s zSemaphore.__init__c C s | j j � S)N)r � _get_value)r% r r r � get_value� s zSemaphore.get_valuec C s6 y | j j � } Wn t k r- d } Yn Xd | S)N�unknownz<Semaphore(value=%s)>)r rB � Exception)r% r' r r r �__repr__� s zSemaphore.__repr__N)r; r< r= r, rC rF r r r r r | s c @ s+ e Z d Z d d d � Z d d � Z d S)r r c C s t j | t | | d | �d S)Nr) )r r, r@ )r% r' r) r r r r, � s zBoundedSemaphore.__init__c C sB y | j j � } Wn t k r- d } Yn Xd | | j j f S)NrD z)<BoundedSemaphore(value=%s, maxvalue=%s)>)r rB rE r( )r% r' r r r rF � s zBoundedSemaphore.__repr__N)r; r< r= r, rF r r r r r � s c @ s( e Z d Z d d � Z d d � Z d S)r c C s t j | t d d d | �d S)Nr r) )r r, r@ )r% r) r r r r, � s z Lock.__init__c C s� y� | j j � rS t j � j } t j � j d k r� | d t j � j 7} q� nB | j j � d k rq d } n$ | j j � d k r� d } n d } Wn t k r� d } Yn Xd | S) N� MainThread�|r �Noner �SomeOtherThread�SomeOtherProcessrD z<Lock(owner=%s)>) r �_is_miner r8 r" � threading�current_threadrB �_countrE )r% r" r r r rF � s z Lock.__repr__N)r; r< r= r, rF r r r r r � s c @ s( e Z d Z d d � Z d d � Z d S)r c C s t j | t d d d | �d S)Nr r) )r r, �RECURSIVE_MUTEX)r% r) r r r r, � s zRLock.__init__c C s� y� | j j � rb t j � j } t j � j d k rP | d t j � j 7} n | j j � } nT | j j � d k r� d \ } } n0 | j j � d k r� d \ } } n d \ } } Wn t k r� d \ } } Yn Xd | | f S)NrG rH r rI r rJ �nonzerorK rD z<RLock(%s, %s)>)zNoner )zSomeOtherThreadrQ )zSomeOtherProcessrQ )�unknownrR ) r rL r r8 r" rM rN rO rB rE )r% r" �countr r r rF � s zRLock.__repr__N)r; r< r= r, rF r r r r r � s c @ s� e Z d Z d d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d d � Z d d � Z d d � Z d d d � Z d S)r Nc C sY | p | j � | _ | j d � | _ | j d � | _ | j d � | _ | j � d S)Nr )r �_lockr �_sleeping_count� _woken_count�_wait_semaphorer! )r% �lockr) r r r r, � s zCondition.__init__c C s) t j | � | j | j | j | j f S)N)r r3 rT rU rV rW )r% r r r r5 � s zCondition.__getstate__c C s, | \ | _ | _ | _ | _ | j � d S)N)rT rU rV rW r! )r% r6 r r r r7 � s zCondition.__setstate__c C s | j j � S)N)rT r0 )r% r r r r0 � s zCondition.__enter__c G s | j j | � S)N)rT r1 )r% r2 r r r r1 � s zCondition.__exit__c C s" | j j | _ | j j | _ d S)N)rT r. r/ )r% r r r r! � s zCondition._make_methodsc C sR y& | j j j � | j j j � } Wn t k r@ d } Yn Xd | j | f S)NrD z<Condition(%s, %s)>)rU r rB rV rE rT )r% Z num_waitersr r r rF � s zCondition.__repr__c C s� | j j j � s t d � � | j j � | j j j � } x! t | � D] } | j j � qJ Wz | j j d | � SWd | j j � x! t | � D] } | j j � q� WXd S)Nz,must acquire() condition before using wait()T) rT r rL �AssertionErrorrU r/ rO r rW r. rV )r% �timeoutrS r* r r r �wait� s zCondition.waitc C s� | j j j � s t d � � | j j d � s7 t � x4 | j j d � rm | j j d � } | s: t � q: W| j j d � r� | j j � | j j � | j j d � n d S)Nzlock is not ownedF) rT r rL rY rW r. rV rU r/ )r% �resr r r �notify s zCondition.notifyc C s� | j j j � s t d � � | j j d � s7 t � x4 | j j d � rm | j j d � } | s: t � q: Wd } x- | j j d � r� | j j � | d 7} qw W| r� x! t | � D] } | j j � q� Wx | j j d � r� q� Wn d S)Nzlock is not ownedFr r ) rT r rL rY rW r. rV rU r/ r )r% r\ Zsleepersr* r r r � notify_all s zCondition.notify_allc C s� | � } | r | S| d k r/ t � | } n d } d } xL | s� | d k rp | t � } | d k rp Pqp n | j | � | � } q> W| S)Nr )�_timer[ )r% Z predicaterZ �resultZendtimeZwaittimer r r �wait_for7 s zCondition.wait_for)r; r< r= r, r5 r7 r0 r1 r! rF r[ r] r^ ra r r r r r � s c @ sO e Z d Z d d � Z d d � Z d d � Z d d � Z d d d � Z d S) r c C s. | j | j � � | _ | j d � | _ d S)Nr )r r �_condr �_flag)r% r) r r r r, O s zEvent.__init__c C sM | j j � z+ | j j d � r3 | j j � d Sd SWd | j j � Xd S)NFT)rb r. rc r/ )r% r r r �is_setS s z Event.is_setc C sP | j j � z. | j j d � | j j � | j j � Wd | j j � Xd S)NF)rb r. rc r/ r^ )r% r r r �set] s z Event.setc C s6 | j j � z | j j d � Wd | j j � Xd S)NF)rb r. rc r/ )r% r r r �clearf s z Event.clearNc C s | j j � z] | j j d � r2 | j j � n | j j | � | j j d � re | j j � d Sd SWd | j j � Xd S)NFT)rb r. rc r/ r[ )r% rZ r r r r[ m s z Event.wait)r; r< r= r, rd re rf r[ r r r r r M s c @ s� e Z d Z d d d d � Z d d � Z d d � Z e d d � � Z e j d d � � Z e d d � � Z e j d d � � Z d S)�BarrierNc C ss d d l } d d l m } | | j d � d � } | j � } | j | | | | | f � d | _ d | _ d S)Nr r )� BufferWrapperr* r )�struct�heaprh Zcalcsizer r7 �_staterO ) r% Zparties�actionrZ r) ri rh �wrapperZcondr r r r, � s zBarrier.__init__c C sC | \ | _ | _ | _ | _ | _ | j j � j d � | _ d S)Nr* )�_parties�_action�_timeoutrb �_wrapperZcreate_memoryview�cast�_array)r% r6 r r r r7 � s $zBarrier.__setstate__c C s" | j | j | j | j | j f S)N)rn ro rp rb rq )r% r r r r5 � s zBarrier.__getstate__c C s | j d S)Nr )rs )r% r r r rk � s zBarrier._statec C s | | j d <d S)Nr )rs )r% r' r r r rk � s c C s | j d S)Nr )rs )r% r r r rO � s zBarrier._countc C s | | j d <d S)Nr )rs )r% r' r r r rO � s ) r; r< r= r, r7 r5 �propertyrk �setterrO r r r r rg � s rg )�__all__rM r r> r r r_ � r r r r r � ImportError�listr rP r@ rA �objectr r r r r r rg r r r r �<module> s0 Mz3
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