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From John Kordich via Review Board <nore...@reviews.apache.org>
Subject Re: Review Request 66424: Windows: Replaced `_wopen()` with `CreateFileW()` in `os::open()`.
Date Wed, 04 Apr 2018 22:16:45 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/66424/#review200505
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Ship it!




Ship It!

- John Kordich


On April 4, 2018, 5:47 a.m., Andrew Schwartzmeyer wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/66424/
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> 
> (Updated April 4, 2018, 5:47 a.m.)
> 
> 
> Review request for mesos, Akash Gupta, Eric Mumau, John Kordich, Joseph Wu, and Michael
Park.
> 
> 
> Bugs: MESOS-8673
>     https://issues.apache.org/jira/browse/MESOS-8673
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Instead of using the CRT implementation of `_wopen()` for the
> `os::open()` API, we now use the Windows API `CreateFileW()`, mapping
> each of the Linux `open()` flags to their semantic equivalents. This
> will make implementing overlapped I/O possible, and is a step toward
> removing the use of integer file descriptors on Windows.
> 
> Note that instead of redefining the C flags like `O_RDONLY`, we just
> use them directly in our mapping logic, and set the used but
> unsupported flags to zero.
> 
> This change uncovered several bugs such as incorrect access flags, and
> used-but-not-included headers.
> 
> We currently ignore creation permissions as they will be handled in a
> broader project to map permissions to Windows correctly.
> 
> 
> Diffs
> -----
> 
>   3rdparty/stout/include/stout/net.hpp d2992c05b221ea90dae1c06d27753932f7411925 
>   3rdparty/stout/include/stout/os/windows/fcntl.hpp bf8c38acad60f9b0eb752053dcd53a9fda7b8bfa

>   3rdparty/stout/include/stout/os/windows/mktemp.hpp 5c775c45c415d9ddd6a80ab814fb55475e9f871e

>   3rdparty/stout/include/stout/os/windows/open.hpp PRE-CREATION 
>   3rdparty/stout/include/stout/windows.hpp 1bfcdf4a5c097cc6d2293396ce39c8ad2c9ec993 
> 
> 
> Diff: https://reviews.apache.org/r/66424/diff/1/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Andrew Schwartzmeyer
> 
>


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