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From Aaron Bannert <aa...@clove.org>
Subject Re: [PATCH] Win32: Why explicitly futz with the file pointer?
Date Sun, 20 Oct 2002 17:46:05 GMT
On Sun, Oct 20, 2002 at 11:30:35AM -0400, Jeff Trawick wrote:
> Maybe APR_APPEND needs to be cheap/simple append a la stdio append: we
> seek to the end of the file at open time and forget about it after
> that.
> 
> Then we need new APR_WRITE_AT_END or something better named which is
> the expensive atomic append.  For Unix, this enables O_APPEND on the
> file and the kernel handles the details.  For Win32, this enables
> acquire-global-mutex + setfileptr + release-global-mutex prior to
> every write.  But then that has issues with non-related processes
> sharing the mutex.

I like the idea, but yeah, to have a global mutex on windows you have
to give it a filename (so the non-related processes can rendezvous on
the same mutex).

-aaron

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