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Date: Sat, 1 Dec 2018 10:53:22 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: pthread_cond_timedwait with setclock(CLOCK_MONOTONIC) times out early
Message-ID: <20181201095322.GN30649@calimero.vinschen.de>
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References: <CAOWZHxdTpDD6LLVctvjFQWqQMd9cex7pp-s1YYaMAdtGECy3Yw AT mail DOT gmail DOT com> <20181126153545 DOT GM30649 AT calimero DOT vinschen DOT de> <CAOWZHxdmOeQ7o6099PERwq-FbFbdYLLm43JfR5iQm-HtfP90aw AT mail DOT gmail DOT com> <20181126164657 DOT GN30649 AT calimero DOT vinschen DOT de> <20181129101821 DOT GZ30649 AT calimero DOT vinschen DOT de> <CAOWZHxf+en-Nw20jOeeBu-TXBio07ai5ecJk2bvWDPtD0vqKFQ AT mail DOT gmail DOT com> <20181130121429 DOT GF30649 AT calimero DOT vinschen DOT de> <CAOWZHxes9wDz-Jsd4EpJAHaEUiJYais11aDFRzLVafVGzzZwqw AT mail DOT gmail DOT com> <20181130125633 DOT GH30649 AT calimero DOT vinschen DOT de> <5b0bcf7f-096d-c259-ce25-9511d4bccf84 AT SystematicSw DOT ab DOT ca>
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On Nov 30 21:27, Brian Inglis wrote:
> On 2018-11-30 05:56, Corinna Vinschen wrote:
> > On Nov 30 07:43, James E. King III wrote:
> >> On Fri, Nov 30, 2018 at 7:23 AM Corinna Vinschen wrote:
> >>> On Nov 29 17:38, James E. King III wrote:
> >>>> On Thu, Nov 29, 2018 at 5:18 AM Corinna Vinschen wrote:
> >>>>> I created a patch and uploaded new developer snapshots to
> >>>>> https://cygwin.com/snapshots/  Please give them a try.
> >>>> This fixed the issue for me.  What's the best way to detect cygwin
> >>>> with this support?
> >>> This will show up in version 2.12.0(*) so checking the release field
> >>> from uname(2) should do the trick.
> >> Is there a programmatic way to check this without having to parse a
> >> bunch of char[20] from utsname.h?
> > How would you do this on Linux?
>=20
> Same:
> https://stackoverflow.com/questions/46280456/check-kernel-version-at-runt=
ime-in-c
>=20
> - read /proc/version which is generated from utsname fields (or vice vers=
a)
> using e.g fscanf
>=20
> $ head /proc/version
> CYGWIN_NT-10.0 version 2.11.2(0.329/5/3) (corinna AT calimero DOT vinschen DOT de) (=
gcc
> version 7.3.0 20180125 (Fedora Cygwin 7.3.0-2) (GCC) ) 2018-11-08 14:34
>=20
> - read (or source) /{etc,usr/lib}/os-release VERSION_ID line (or variable=
):
>=20
> $ head /{etc,usr/lib}/os-release
> =3D=3D> /etc/os-release <=3D=3D
> PRETTY_NAME=3D"Debian GNU/Linux 9 (stretch)"
> NAME=3D"Debian GNU/Linux"
> VERSION_ID=3D"9"
> VERSION=3D"9 (stretch)"
> ID=3Ddebian
> HOME_URL=3D"https://www.debian.org/"
> SUPPORT_URL=3D"https://www.debian.org/support"
> BUG_REPORT_URL=3D"https://bugs.debian.org/"
>=20
> =3D=3D> /usr/lib/os-release <=3D=3D
> ... [same]
>=20
> Could also be supported under Cygwin:

We don't have OS releases.  Every component in Cygwin has its own
release cycle and the version number of the Cygwin DLL is *not* a
os release number.  What sense would this file have for us?


Corinna

--=20
Corinna Vinschen
Cygwin Maintainer

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