New version of mock working (I think)

[Clark Williams]

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Dan Williams wrote:
> On Tue, 2006-06-27 at 11:15 -0500, Clark Williams wrote:
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>>
>> Mike McLean wrote:
>>> Clark Williams wrote:
>>>> Not smart enough to argue that we should wait for our build
>>>> system clients to weigh in. Sigh...
>>>>
>>>> Dan/Jeremy/Mike/Andreas/et al
>>>>
>>>> How are you going to use file locking? Do you just want mock
>>>> to lock the status file when we're changing state, or is
>>>> there something else I'm missing?
>>> Pretty much. The lock is to prevent the watcher from reading a
>>> partially written status file.
>> Something like :
>>
>> flock(fileno, LOCK_EX) <write new status> flock(fileno, LOCK_UN)
>>
>> That what you're looking for?
>
> In python:
>
> import fcntl lkfd = open(<lockfile_path>, 'w') rc =
> fcntl.flock(lkfd, fcntl.LOCK_EX) <write new status>
> fcntl.flock(lkfd, fcntl.LOCK_UN) close(lkfd)
>
> Yes.
>
> Dan
>

What, you couldn't tell that was pseudo-python? :)

Clark

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