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From "Bill Stoddard" <b...@wstoddard.com>
Subject RE: [PATCH] Support APR_APPEND (O_APPEND) with apr_file_write on Windows
Date Fri, 25 Oct 2002 15:20:44 GMT
Speculation... moving the file pointer (with SetFilePointer()) is a "bad
thing" when done inside a locked region.

Bill

>
> The only problem with this patch is that it occasionally causes the
> WriteFile to block indefinitely and all the other worker threads block on
> apr_file_lock waiting for the file lock.   I can send several thousand
> requests through the server before it hangs.  I don't see
> anything obviously
> wrong here or in apr_file_lock|unlock. Obviously I will not commit this
> until we figure out and fix what is causing the WriteFile block.
>
> I generally see the hang writing to the access log. I did see a
> hang writing
> to the error log at startup once.
>
> Bill
>


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