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Fix job server on some versions of windows using invalid pipe address

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Kovid Goyal 2009-07-12 15:56:27 -06:00
parent 9ff677f415
commit f054a3ea0c
1 changed files with 7 additions and 2 deletions
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9
src/calibre/utils/ipc/server.py
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@ -10,13 +10,14 @@
from math import ceil
from threading import Thread, RLock
from Queue import Queue, Empty
from multiprocessing.connection import Listener
from multiprocessing.connection import Listener, arbitrary_address
from collections import deque
from binascii import hexlify
from calibre.utils.ipc.launch import Worker
from calibre.utils.ipc.worker import PARALLEL_FUNCS
from calibre import detect_ncpus as cpu_count
from calibre.constants import iswindows
_counter = 0
@ -91,7 +92,11 @@ def __init__(self, notify_on_job_done=lambda x: x, pool_size=None):
self.pool_size = cpu_count() if pool_size is None else pool_size
self.notify_on_job_done = notify_on_job_done
self.auth_key = os.urandom(32)
self.listener = Listener(authkey=self.auth_key, backlog=4)
self.address = arbitrary_address('AF_PIPE' if iswindows else 'AF_UNIX')
if iswindows and self.address[1] == ':':
self.address = self.address[2:]
self.listener = Listener(address=self.address,
authkey=self.auth_key, backlog=4)
self.add_jobs_queue, self.changed_jobs_queue = Queue(), Queue()
self.kill_queue = Queue()
self.waiting_jobs, self.processing_jobs = deque(), deque()