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Bug 875025. Use a deque, not a list, for the pending queue in pymake. r=glandium

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This commit is contained in:
Boris Zbarsky 2013-05-23 09:20:32 -04:00
parent 2d20b55d7a
commit bf91a01713
1 changed files with 3 additions and 2 deletions
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5
build/pymake/pymake/process.py
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@ -6,6 +6,7 @@ parsing command lines into argv and making sure that no shell magic is being use
#TODO: ship pyprocessing?
import multiprocessing
import subprocess, shlex, re, logging, sys, traceback, os, imp, glob
from collections import deque
# XXXkhuey Work around http://bugs.python.org/issue1731717
subprocess._cleanup = lambda: None
import command, util
@ -439,7 +440,7 @@ class ParallelContext(object):
self.exit = False
self.processpool = multiprocessing.Pool(processes=jcount)
self.pending = [] # list of (cb, args, kwargs)
self.pending = deque() # deque of (cb, args, kwargs)
self.running = [] # list of (subprocess, cb)
self._allcontexts.add(self)
@ -452,7 +453,7 @@ class ParallelContext(object):
def run(self):
while len(self.pending) and len(self.running) < self.jcount:
cb, args, kwargs = self.pending.pop(0)
cb, args, kwargs = self.pending.popleft()
cb(*args, **kwargs)
def defer(self, cb, *args, **kwargs):