Jeremy Hylton wrote: > On Thu, 17 Mar 2005 16:25:44 -0500, Aahz <aahz at pythoncraft.com> wrote: > >>On Thu, Mar 17, 2005, Jeremy Hylton wrote: >> >>>Are the thread semantics for file objecst documented anywhere? I >>>don't see anything in the library manual, which is where I expected to >>>find it. It looks like read and write are atomic by virtue of fread >>>and fwrite being atomic. >> >>Uncle Timmy will no doubt agree with me: the semantics don't matter. >>NEVER, NEVER access the same file object from multiple threads, unless >>you're using a lock. And even using a lock is stupid. > > > I'm not looking for your permission or approval. I just want to know > what semantics are intended. If the documentation wants to say that > the semantics are undefined that okay, although I think we need to say > more because some behavior has been provided by the implementation for > a long time. > I think this is left unspecified for example by Java too. I would be surprised if Jython would offer the same characteristics in this respect as CPython.
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