[Python-Dev] thread semantics for file objects
aahz at pythoncraft.com
Thu Mar 17 22:25:44 CET 2005
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.
Aahz (aahz at pythoncraft.com) <*> http://www.pythoncraft.com/
"The joy of coding Python should be in seeing short, concise, readable
classes that express a lot of action in a small amount of clear code --
not in reams of trivial code that bores the reader to death." --GvR
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