Hi!
I'm trying to create a Cygwin FIFO which can only be read and written by admins:
snip
# as admin
mkfifo system_cmd_fifo
chgrp 544 system_cmd_fifo
chmod a-rwx,g+rw system_cmd_fifo
cat https://cygwin.com/problems.html
FAQ: https://cygwin.com/faq/
Documentation:
On Tue, Aug 27, 2024 at 6:29 PM Eliot Moss via Cygwin wrote:
> On 8/27/2024 11:31 AM, Jon Turney via Cygwin wrote:
> > On 27/08/2024 09:21, Mark Liam Brown via Cygwin wrote:
> >> Greetings!
> >>
> >> /usr/bin/uptime always reports 0/0/0 average cpu load:
> >> $ uptime
> >> 10:09:01 up 15:59, 0
Hi!
-
AFAIK we found a resource or Win32 object refcount leak:
If I do a $ mount nfsdir_as_Y ; cd /cygdrive/y ; ls -l ; cd / ; umount
Y: #, the the VNetRoot used by the filesystem's kernel module is not
finalised (e.g. |MRxFinalizeVNetRoot()| is not being called).
If I do the same with just W
Hi!
Can anyone explain why (on a plain filesystem (not NFS, not NTFS)) we
get "user::r--" from /usr/bin/getfacl, while the Windows native
utility "icacls" clearly says the user has "WD" (write data)
attributes ?
snip ---
$ uname -a
CYGWIN_NT-10.0-19045 evil02 3.6.0-0.115.g579064bf4d40.x
On Fri, Jun 14, 2024 at 12:14 PM Mark Liam Brown
wrote:
> Cygwin 3.4/3.5&mingw svn fails on a NFS4 share during checkout
>
> svn checkout https://svn.FreeBSD.org/base/head/share/man
> Aman/man4
> Aman/man4/tcp.4
> Aman/man4/ndis.4
> Aman/man4/Makefile
> Aman/man4/altq.4
> A
On Mon, Jan 8, 2024 at 2:56 PM Corinna Vinschen via Cygwin
wrote:
>
> On Dec 18 13:04, Cedric Blancher via Cygwin wrote:
> > On Fri, 1 Sept 2023 at 13:00, Corinna Vinschen via Cygwin
> > wrote:
> > >
> > > On Sep 1 06:23, Cedric Blancher via Cygwin wrote:
> > > > Good morning!
> > > >
> > > > Du
On Sun, May 26, 2024 at 6:08 AM David Dyck via Cygwin wrote:
> I upgraded to the most recent git and I get the following error
> ( stable2.45.1-1x86_648597 KiB2024-05-25 18:58 )
>
> $ git clone -v https://github.com/lxml/lxml.git
> Cloning into 'lxml'...
> POST git-upload-pack (175 bytes)
> POST
On Wed, May 29, 2024 at 4:28 AM Dan Shelton wrote:
>
> On Tue, 28 May 2024 at 22:15, Cedric Blancher via Cygwin
> wrote:
> >
> > Good evening!
> >
> > For your consideration - we need FEEDBACK, please!
> >
> > New is support running it as service (sc start
> > ms-nfs41-client-service), setgid()/n
On Sat, May 25, 2024 at 11:53 PM Martin Wege via Cygwin
wrote:
> Can Cygwin be installed as a normal user (without Admin rights) in a
> nonstandard location, like C.\Users\martinwege\cygwinroot36\...)?
>
> Also, can this be done for more than one Cygwin version, e.g. I'd like
> to test multiple Cy
On Mon, May 27, 2024 at 1:11 PM Roland Mainz wrote:
> I tried to install Cygwin on a network share using the UNC path name
> (e.g. \\derfwnb4966_ipv4@2049\nfs4\storagetek\cygwintest001\), but got
> this response: "The install directory must be absolute, with both a
> drive letter and leading slash
Hi!
I tried to install Cygwin on a network share using the UNC path name
(e.g. \\derfwnb4966_ipv4@2049\nfs4\storagetek\cygwintest001\), but got
this response: "The install directory must be absolute, with both a
drive letter and leading slash, like C:\Cygwin" ...
... is it possible to remove
On Fri, May 17, 2024 at 9:48 AM Cedric Blancher via Cygwin
wrote:
> Is there a technical reason why 32bit Cygwin cannot be installed on
> 64bit Windows? We like to create a CI build pipeline, and want to
> create binaries for 32bit and 64bit Cygwin on the same machine, but
> setup.exe for 32bir Cy
On Sat, May 11, 2024 at 6:17 PM Brian Inglis via Cygwin
wrote:
> On 2024-05-11 05:30, Roland Mainz via Cygwin wrote:
> > I'm writing a test program for |FileNormalizedNameInfo| right now (see
> > https://rovema.kpaste.net/07074abc).
> > Per
> > https://learn.micro
Hi!
I'm writing a test program for |FileNormalizedNameInfo| right now (see
https://rovema.kpaste.net/07074abc).
Per
https://learn.microsoft.com/en-us/windows/win32/api/minwinbase/ne-minwinbase-file_info_by_handle_class
|FileNormalizedNameInfo| should be |24|, but on Cygwin 3.6 I get the
va
On Sat, Apr 27, 2024 at 5:03 PM Brian Inglis via Cygwin
wrote:
>
> On 2024-04-27 07:08, Roland Mainz via Cygwin wrote:
> > Are the |FILE_ID_BOTH_DIR_INFORMATION| fields
> > |ShortName|+|ShortNameLength| mandatory these days, e.g. is it legal
> > to set |ShortNameLength = 0
Hi!
Are the |FILE_ID_BOTH_DIR_INFORMATION| fields
|ShortName|+|ShortNameLength| mandatory these days, e.g. is it legal
to set |ShortNameLength = 0;| for Cygwin 3.4/3.5 in Windows 10 ?
Is there anything else for a filesystem driver to do to indicate that
|ShortName| support is not available
Hi!
I'm working right now on a filesystem min-redirector with
CYGWIN_NT-10.0-19045 3.6.0-0.115.g579064bf4d40.x86_64 and noticed a
malfunction.
The mini-rdr userland daemon is running as user "SYSTEM";
"SeImpersonatePrivilege" and
"SeDelegateSessionUserImpersonatePrivilege" are enabled, so u
Hi!
Is it possible to update the Cygwin "libnfs" package, please ?
The current Cygwin "libnfs" version is rather old (per
https://cygwin.com/cgit/cygwin-packages/libnfs/log/ last updated in
2016-11-16) and has a couple of NFSv4-related bugs, for example:
snip
$ nfs-ls.exe
On Mon, Mar 11, 2024 at 8:01 AM Cedric Blancher via Cygwin
wrote:
> On Fri, 8 Mar 2024 at 03:25, Dan Shelton via Cygwin wrote:
> > I've run into a problem with clang on Cygwin 3.5.1 and 3.6. My machine
> > does not have much disk space left, so I switched TMPDIR to the
> > network drive. But clan
On Wed, Mar 6, 2024 at 1:08 AM Mark Geisert via Cygwin
wrote:
> On 3/5/2024 2:42 PM, Dan Shelton via Cygwin wrote:
> > On Mon, 4 Mar 2024 at 07:45, Mark Geisert via Cygwin
> > wrote:
> >> On 3/3/2024 7:27 PM, Dan Shelton via Cygwin wrote:
> [...]
> >>> strace does not help, as I need the Win32 c
On Sat, Feb 24, 2024 at 7:57 PM Corinna Vinschen via Cygwin
wrote:
>
> On Feb 24 15:38, Roland Mainz via Cygwin wrote:
> > On Thu, Feb 22, 2024 at 8:11 PM Corinna Vinschen via Cygwin
> > wrote:
> > > On Feb 22 18:38, Roland Mainz via Cygwin wrote:
> > > &g
On Thu, Feb 22, 2024 at 8:11 PM Corinna Vinschen via Cygwin
wrote:
> On Feb 22 18:38, Roland Mainz via Cygwin wrote:
> > If I switch the current user's group with /usr/bin/newgrp, how can a
> > (native) Win32 process use
> > |GetTokenInformation(GetCurrentThreadToken(
On Fri, Feb 23, 2024 at 4:47 PM Corinna Vinschen via Cygwin
wrote:
> On Feb 23 14:03, Roland Mainz via Cygwin wrote:
> > On Thu, Feb 22, 2024 at 8:11 PM Corinna Vinschen via Cygwin
> > wrote:
> > > On Feb 22 18:38, Roland Mainz via Cygwin wrote:
> > > > If I
On Thu, Feb 22, 2024 at 8:11 PM Corinna Vinschen via Cygwin
wrote:
> On Feb 22 18:38, Roland Mainz via Cygwin wrote:
> > If I switch the current user's group with /usr/bin/newgrp, how can a
> > (native) Win32 process use
> > |GetTokenInformation(GetCurrentThreadToken(
Hi!
If I switch the current user's group with /usr/bin/newgrp, how can a
(native) Win32 process use
|GetTokenInformation(GetCurrentThreadToken(), ...)| to find out which
group is the new "current group" (e.g. which |TokenInformationClass|
should I use) ?
Bye,
Roland Mainz
--
__ .
Hi!
While implementing chown/chgrp support in the ms-nfs41-client (Windows
NFSv4.1 client filesystem driver) I encountered an issue with group
names.
I tried a simple $ chgrp CurrentSession myfile #, which returned
"Permission denied".
OK, /usr/bin/id -a shows that the current user is a mem
Hi!
-
Small bug report:
Cygwin 3.5. now has support for SEEK_HOLE (thanks! :-) ), but
/usr/bin/fallocate is still missing in the "util-linux" package.
Can someone please enable that tool ?
Bye,
Roland
--
__ . . __
(o.\ \/ /.o) roland.ma...@nrubsig.org
\__\/\/__/ MPEG specialis
On Thu, Jan 11, 2024 at 5:41 PM Corinna Vinschen via Cygwin
wrote:
>
> On Jan 11 15:00, Martin Wege via Cygwin wrote:
> > On Mon, Jan 8, 2024 at 3:11 PM Corinna Vinschen via Cygwin
> > wrote:
> > so this is IMO OK.
>
> Yeah, but...
>
> It's not just an open flag, it requires extending functionali
On Thu, Jan 11, 2024 at 3:00 PM Martin Wege via Cygwin
wrote:
> On Mon, Jan 8, 2024 at 3:11 PM Corinna Vinschen via Cygwin
> wrote:
> > On Dec 18 18:47, Martin Wege via Cygwin wrote:
> > > On Fri, Dec 1, 2023 at 10:52 AM Corinna Vinschen via Cygwin
> > > wrote:
[snip]
> > Apart from that, this s
On Thu, Dec 21, 2023 at 9:32 PM Kaz Kylheku via Cygwin
wrote:
> On 2023-12-21 04:16, Martin Wege via Cygwin wrote:
> > On Wed, Dec 20, 2023 at 6:21 PM Kaz Kylheku via Cygwin
> > wrote:
[snip]
> > The root cause is IMO the extra Win32 syscalls (>= 3 per file lookup,
> > compared to 1 on Linux) to
Hi!
We're trying to debug mysterious sporadic I/O issues in Windows native
git ('/cygdrive/c/Program Files/Git/cmd/git') started from Cygwin
3.5.0 mintty.exe ...
... which raises the question:
How can I watch the Windows syscalls for file open/read/write/close
with Cygwin strace for a new p
On Mon, Aug 28, 2023 at 10:50 AM Corinna Vinschen via Cygwin
wrote:
> On Aug 27 18:13, Cary Lewis via Cygwin wrote:
[snip
> The chroot implementation is old, bad, and deprecated. I was going
> to rip it out entirely for I don't know how often already, but there
> was always somebody asking to kee
Steps to reproduce:
1. Boot Windows 10
2. Log in
3. Open Cygwin terminal
4. Run "kate"
Result:
kate crashes
Expected result:
kate runs
snip
$ uname -a
CYGWIN_NT-10.0-19045 DERFWNB8353 3.5.0-0.438.g322c7150b25e.x86_64
2023-09-17 14:19 UTC x86_64 Cygwin
$ gdb --args kate
GNU gdb (GDB) (C
On Fri, Aug 25, 2023 at 2:18 PM Corinna Vinschen via Cygwin
wrote:
>
> On Aug 23 01:05, Roland Mainz via Cygwin wrote:
> > Note that Cygwin does not interpret the file |myfifo.fifo| as FIFO,
> > instead it comes back as a symlink "myfifo.fifo -> ':\0:c4:1000'
On Tue, Aug 22, 2023 at 4:52 PM Lavrentiev, Anton (NIH/NLM/NCBI) [C]
via Cygwin wrote:
> > FIFOs which don't make *any* sense
> > ... FWIW, a remote NFS fileystem.
>
> I got an impression that the OP is trying to deploy something (maybe the
> entire Cygwin) onto an
> NFS share. So the named FIFO
On Mon, Aug 14, 2023 at 6:25 PM Roland Mainz wrote:
> On Mon, Aug 14, 2023 at 12:21 PM Corinna Vinschen via Cygwin
> wrote:
> > On Aug 11 13:36, Mainz, Roland via Cygwin wrote:
[snip]
> > > In our case we have a project with both custom binaries and sources
> > > both hosted on the filesystem as
On Mon, Aug 14, 2023 at 12:21 PM Corinna Vinschen via Cygwin
wrote:
>
> On Aug 11 13:36, Mainz, Roland via Cygwin wrote:
> > Hi!
> >
> >
> >
> > Cygwin test release 3.5.0-0.384.g9939aa7d0945.x86_64 has some weird
> > path problems with network filesystems on Windows 10. Previous stable
> > ve
On Mon, Aug 7, 2023 at 7:38 AM KAVALAGIOS Panagiotis (EEAS) via Cygwin
wrote:
>
> > On Sat, Jul 29, 2023 at 6:18 AM Roland Mainz
> > wrote:
> > > Is there an official way to enter the Cygwin command line (e.g. bash
> > > login) from Windows cmd.exe, e.g. if someone ssh's into a Windows
> > > mach
On Fri, Aug 11, 2023 at 10:55 AM Corinna Vinschen via Cygwin
wrote:
[snip]
> On Aug 11 10:25, Martin Wege wrote:
> > Cygwin somehow breaks unmounting of network shares, but ONLY if the
> > net use /delete happens in a bash shell script.
> >
> > Example:
> > Mount SMB network share on Z:
> > Do not
On Sat, Jul 29, 2023 at 6:18 AM Roland Mainz wrote:
> Is there an official way to enter the Cygwin command line (e.g. bash
> login) from Windows cmd.exe, e.g. if someone ssh's into a Windows
> machine he/she ends/up in a cmd.exe and not bash...
ping!
Bye,
Roland
--
__ . . __
(o.\ \/ /
Hi!
Does Cygwin have something like a Solaris/Linux autofs-style
automounter ? The idea is to mount NFS home dirs automagically the
first time someone uses them, e.g. $ cd /home/chickenmonster/ #
automagically mounts NFS dir mymonsternfs:/export/home/chickenmonster/
Bye,
Roland
--
Good morning!
Does Cygwin have a way to map a (NFS) home dir drive (H:) to
/home/myuser/, without resorting to POSIX-style softlinks ([1]) ?
Example:
1. Home dir mounted on drive H: via NFS
2. How do I now map H: to /home/myuser/ ?
For example Linux and Solaris use the automounter to mount
Hi!
Is there an official way to enter the Cygwin command line (e.g. bash
login) from Windows cmd.exe, e.g. if someone ssh's into a Windows
machine he/she ends/up in a cmd.exe and not bash...
Bye,
Roland
--
__ . . __
(o.\ \/ /.o) roland.ma...@nrubsig.org
\__\/\/__/ MPEG speciali
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