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. Jeremy
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