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misc/cpu-watcher.tac: use writeaside-and-rename for the history.pickle file

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Brian Warner 2008-09-30 17:30:53 -07:00
parent 3aba70bbcf
commit 06770f720e
1 changed files with 2 additions and 1 deletions
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3
misc/cpu-watcher.tac
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@ -199,7 +199,8 @@ class CPUWatcher(service.MultiService, resource.Resource, Referenceable):
except: except:
log.msg("error reading process %s (%s), ignoring" % (pid, name)) log.msg("error reading process %s (%s), ignoring" % (pid, name))
log.err() log.err()
pickle.dump(self.history, open("history.pickle", "wb")) pickle.dump(self.history, open("history.pickle.tmp", "wb"))
os.rename("history.pickle.tmp", "history.pickle")
for (pid, name) in processes: for (pid, name) in processes:
row = [name] row = [name]
for avg in self.AVERAGES: for avg in self.AVERAGES: