tf0 dZddlmZddlmZddlmZddlmZe Z eeGddZ eeGd d Z d S) zE Implementation of an L{IWorker} based on native threads and queues. )Callable) implementer)Quit)IExclusiveWorkerc>eZdZdZdZdegdfddfdZdZdS) ThreadWorkerz An L{IExclusiveWorker} implemented based on a single thread and a queue. This worker ensures exclusivity (i.e. it is an L{IExclusiveWorker} and not an L{IWorker}) by performing all of the work passed to C{do} on the I{same} thread. c\|_t|_fd}||dS)a Create a L{ThreadWorker} with a function to start a thread and a queue to use to communicate with that thread. @param startThread: a callable that takes a callable to run in another thread. @type startThread: callable taking a 0-argument callable and returning nothing. @param queue: A L{Queue} to use to give tasks to the thread created by C{startThread}. @type queue: L{Queue} cVtjtD] }| dS)N)iterget_stop)taskqueues ]/var/www/surfInsights/venv3-11/lib/python3.11/site-packages/twisted/_threads/_threadworker.pyworkz#ThreadWorker.__init__..work/s5UY..    N)_qr_hasQuit)self startThreadrrs ` r__init__zThreadWorker.__init__sH        DrrNreturncl|j|j|dS)z Perform the given task on the thread owned by this L{ThreadWorker}. @param task: the function to call on a thread. N)rcheckrput)rrs rdozThreadWorker.do5s2   Drcv|j|jtdS)zT Reject all future work and stop the thread started by C{__init__}. N)rsetrrrrs rquitzThreadWorker.quit>s2   Er__name__ __module__ __qualname____doc__rrrr!rrr r sg.xD)drr c>eZdZdZdZdegdfddfdZdZdS) LockWorkerzE An L{IWorker} implemented based on a mutual-exclusion lock. cHt|_||_||_dS)z @param lock: A mutual-exclusion lock, with C{acquire} and C{release} methods. @type lock: L{threading.Lock} @param local: Local storage. @type local: L{threading.local} N)r_quit_lock_local)rlocklocals rrzLockWorker.__init__Ns!VV   rrNrc|j}|j}|jt |dd}|gx}|_||| |r|d|| d|_dS#| d|_wxYw||dS)z Do the given work on this thread, with the mutex acquired. If this is called re-entrantly, return and wait for the outer invocation to do the work. @param work: the work to do with the lock held. workingNr) r,r-r+rgetattrr1appendacquirepoprelease)rrr.r/r1s rrz LockWorker.do[sz  %D11 ?&( (Gem NN4 LLNNN %%"GKKNN$$$%  $   $ $$$$ NN4 s .!B,,C cF|jd|_dS)z* Quit this L{LockWorker}. N)r+rr,r s rr!zLockWorker.quitts!  rr"r'rrr)r)Hsg   !xD)!d!!!!2rr)N) r&typingrzope.interfacer _conveniencer _ithreadsrobjectrr r)r'rrr=s  &&&&&&''''''  00000000f  0000000000r