On 2013-03-26 9:08 AM, Martin Storsjö wrote:
> From: Reimar Döffinger <[email protected]>
> 
> In order to match Linux behaviour better our Windows-specific
> open() replacement should disable Windows default file locking.
> ---

[...]

> -    fd = _wopen(filename_w, oflag, pmode);
> +    fd = _wsopen(filename_w, oflag, SH_DENYNO, pmode);
>      av_freep(&filename_w);
>  
>      /* filename maybe be in CP_ACP */
>      if (fd == -1 && !(oflag & O_CREAT))
> -        return open(filename_utf8, oflag, pmode);
> +        return _sopen(filename_utf8, oflag, SH_DENYNO, pmode);

According to MSDN[1], you're supposed to lock the bytes[2] before
reading them if you used shared opening. Do we address this anywhere?

- Derek

[1] http://msdn.microsoft.com/en-us/library/w7sa2b22.aspx (See "Example")
[2] http://msdn.microsoft.com/en-us/library/8054ew2f.aspx
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