* openat(O_DIRECT) supported in Cygwin?
@ 2024-02-27 16:46 Martin Wege
2024-02-28 9:07 ` Corinna Vinschen
0 siblings, 1 reply; 3+ messages in thread
From: Martin Wege @ 2024-02-27 16:46 UTC (permalink / raw)
To: cygwin
Hello,
Does Cygwin support openat(O_DIRECT)? Which effect does O_DIRECT in
Cygwin have, and which underlying Windows API is used?
Thanks,
Martin
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: openat(O_DIRECT) supported in Cygwin?
2024-02-27 16:46 openat(O_DIRECT) supported in Cygwin? Martin Wege
@ 2024-02-28 9:07 ` Corinna Vinschen
2024-03-03 13:33 ` Martin Wege
0 siblings, 1 reply; 3+ messages in thread
From: Corinna Vinschen @ 2024-02-28 9:07 UTC (permalink / raw)
To: cygwin
On Feb 27 17:46, Martin Wege via Cygwin wrote:
> Hello,
>
> Does Cygwin support openat(O_DIRECT)? Which effect does O_DIRECT in
> Cygwin have, and which underlying Windows API is used?
https://cygwin.com/cgit/newlib-cygwin/tree/winsup/cygwin/fhandler/base.cc#n587
Corinna
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: openat(O_DIRECT) supported in Cygwin?
2024-02-28 9:07 ` Corinna Vinschen
@ 2024-03-03 13:33 ` Martin Wege
0 siblings, 0 replies; 3+ messages in thread
From: Martin Wege @ 2024-03-03 13:33 UTC (permalink / raw)
To: cygwin
On Wed, Feb 28, 2024 at 10:08 AM Corinna Vinschen via Cygwin
<cygwin@cygwin.com> wrote:
>
> On Feb 27 17:46, Martin Wege via Cygwin wrote:
> > Hello,
> >
> > Does Cygwin support openat(O_DIRECT)? Which effect does O_DIRECT in
> > Cygwin have, and which underlying Windows API is used?
>
> https://cygwin.com/cgit/newlib-cygwin/tree/winsup/cygwin/fhandler/base.cc#n587
So O_DIRECT will be translated to Win32 FILE_NO_INTERMEDIATE_BUFFERING?
Thanks,
Martin
^ permalink raw reply [flat|nested] 3+ messages in thread
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2024-02-27 16:46 openat(O_DIRECT) supported in Cygwin? Martin Wege
2024-02-28 9:07 ` Corinna Vinschen
2024-03-03 13:33 ` Martin Wege
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