Re: Cygwin Question?

[Igor Peshansky]

On Sat, 19 May 2007, Dustin Ochoa wrote:

> Hello Igor,

Hi.  Questions about Cygwin should be directed to one of the Cygwin lists.
See  for details.  Redirecting.
Please follow up to the list.

> I understand that you are quite knowledgeable on Cygwin and thought
> maybe you could quickly answer my question.  I'm attempting to run
> multiple csh scripts and after I start the third script, I get the
> following error message:
>
> Exception: STATUS_ACCESS_VIOLATION at eip=0022DAD0
> eax= ebx=00218EA0 ecx=00218C28 edx=7C90EB94 esi=1000 edi=
> ebp=0021BED8 esp=00218D70 program=C:\cygwin\bin\tcsh.exe, pid 4300, thread 
> main
> cs=001B ds=0023 es=0023 fs=003B gs= ss=0023
> Stack trace:
> Frame Function  Args
> 0021BED8  0022DAD0  (006D648A, 0021BEF9, 0001, 0040D830)
> 00220F08  0041117A  (006D6488, , , )
> 00224F68  00411259  (00442B1E, 00479050, 01A0, 006D1BA8)
> 00224F88  004117AC  (006D1BA8, , 00225028, 61168030)
> 00224FC8  0041C289  (006E5AA8, 006D1BA8, 00479050, 0002)
> 00224FE8  0041C3CD  (006E5AA8, 006D6488, 0002, 00441301)
> 00225028  0041DA51  (006E3008, 006E5B28, , )
> 002278F8  0041B21A  (006E5B28, , , )
> 0022A1C8  0041AEFF  (006E5A28, , , )
> 0022ABC8  00401722  (0001, , 00479050, 0002)
> 0022CCE8  004038FA  (0001, 61169728, 006D1008, 0022CC70)
> 0022CD98  61006148  (, 0022CDD0, 610054C0, 0022CDD0)
> 610054C0  61004416  (009C, A02404C7, E8611001, FF48)
> 3 [main] csh 4300 _cygtls::handle_exceptions: Error while dumping state 
> (probably corrupted stack)

This looks like an error deep inside tcsh code, but you'd probably have to
a) provide the exact steps you took to reproduce it (preferably by
reducing your scripts to simple test cases), and/or b) build tcsh with
debugging symbols and figure out where it crashes.

> Does Cygwin have a problem with running multiple scripts at the same
> time? If so, is there a way around this?

If Cygwin had a problem with running multiple scripts at the same time, it
would have been noticed already.  This sounds like either your local
configuration is broken (multiple cygwin1.dlls, known incompatible
software, etc), or you've stumbled upon a tcsh bug.

That said, I don't use tcsh, and can only offer some generic advice.
Take a look at  and follow the guidelines
for problem reporting (pay particular attention to the part that asks you
to provide your system configuration details).
Igor
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RE: How to uniformly point to the root of a drive?

[Buchbinder, Barry (NIH/NIAID) [E]]

Christopher Faylor wrote on Monday, May 21, 2007 12:16 AM:
> On Sun, May 20, 2007 at 09:12:47PM -0700, Karl M wrote:
>> Hi Christopher...
>> 
>>> From: Christopher Faylor Subject: Re: How to uniformly point to the
>>> root of a drive? Date: Sun, 20 May 2007 21:21:59 -0400
>>> 
>>> On Sun, May 20, 2007 at 05:39:21PM -0700, Karl M wrote:
 Hi All...
 
> From: Christopher Faylor Subject: Re: How to uniformly point to
> the root of a drive? Date: Sun, 20 May 2007 13:36:16 -0400
> 
> On Sun, May 20, 2007 at 01:27:05PM -0400, Christopher Faylor
> wrote: 
>> So it sounds like Brian's method would work then wouldn't it?
> 
> Does this give you what you want, too?
> 
> driveroot=$(cygpath $(cygpath -wm /)/..)
> 
 What is the difference between "cygpath -m ..." and "cygpath -wm
 ..." 
>>> 
>>> Come on!  Read the fine manual.
>>> 
>> It is indeed a fine manual. I did look and -w and -m look to be
>> mutually exclusive in their use, but I did find scripts that use -wm,
>> thus my question.
> 
> So, translation: cgf made a typo.  The 'w' is not needed.
> 
> cgf

FYI, -wm and -mw do not give the same output.  I wouldn't know if this
would be considered a bug, as someone else pointed out that -m and -w
should be mutually exclusive, so neither should work.

===
/c> cygpath -wm /
c:/cygwin
/c> cygpath -mw /
Usage: cygpath (-d|-m|-u|-w|-t TYPE) [-f FILE] [OPTION]... NAME...
   cygpath [-c HANDLE]
   cygpath [-ADHPSW]
Convert Unix and Windows format paths, or output system path information

Output type options:
  -d, --dos print DOS (short) form of NAMEs (C:\PROGRA~1\)
  -m, --mixed   like --windows, but with regular slashes
(C:/WINNT)
  -M, --modereport on mode of file (binmode or textmode)
  -u, --unix(default) print Unix form of NAMEs
(/cygdrive/c/winnt)
  -w, --windows print Windows form of NAMEs (C:\WINNT)
  -t, --type TYPE   print TYPE form: 'dos', 'mixed', 'unix', or
'windows'
Path conversion options:
  -a, --absoluteoutput absolute path
  -l, --long-name   print Windows long form of NAMEs (with -w, -m
only)
  -p, --pathNAME is a PATH list (i.e., '/bin:/usr/bin')
  -s, --short-name  print DOS (short) form of NAMEs (with -w, -m
only)
System information:
  -A, --allusersuse `All Users' instead of current user for -D,
-P
  -D, --desktop output `Desktop' directory and exit
  -H, --homerootoutput `Profiles' directory (home root) and exit
  -P, --smprograms  output Start Menu `Programs' directory and exit
  -S, --sysdir  output system directory and exit
  -W, --windir  output `Windows' directory and exit
Try `cygpath --help' for more information.
1.0 /c>

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Re: How to uniformly point to the root of a drive?

[Corinna Vinschen]

On May 20 22:15, Karl M wrote:
> >So, translation: cgf made a typo.  The 'w' is not needed.
> >
> However, there are scripts (google "cygpath -wm") out there.

In the distro?  Which ones?  It would be better to change them,
so we can change cygcheck to handle this unambiguously.


Corinna

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[ANNOUNCEMENT] Updated Cygwin Package: python-2.5.1-2

[Jason Tishler]

New News:
=== 
I have updated the version of Python to 2.5.1-2.  The tarballs should be
available on a Cygwin mirror near you shortly.

The following is the only notable change since the previous release:

o include bz2 module that was accidentally omitted in the previous
  release

Old News:
=== 
Python is an interpreted, interactive, object-oriented programming
language.  If interested, see the Python web site for more details:
   
http://www.python.org/ 

Please read the README file:

/usr/share/doc/Cygwin/python-2.5.1.README

since it covers requirements, installation, known issues, etc.

Standard News:
 
To update your installation, click on the "Install Cygwin now" link on
the http://cygwin.com/ web page.  This downloads setup.exe to your
system.  Then, run setup and answer all of the questions.

If you have questions or comments, please send them to the Cygwin
mailing list at: cygwin@cygwin.com .

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Re: How to uniformly point to the root of a drive?

[Karl M]

Hi Corinna...

From: Corinna Vinschen Subject: Re: How to uniformly point to the root of a 
drive?

Date: Mon, 21 May 2007 16:29:44 +0200

On May 20 22:15, Karl M wrote:
> >So, translation: cgf made a typo.  The 'w' is not needed.
> >
> However, there are scripts (google "cygpath -wm") out there.

In the distro?  Which ones?  It would be better to change them,
so we can change cygcheck to handle this unambiguously.

There were 2 or 3 scripts I stumbled upon, on the web that contained 
"cygpath -wm ..." in them. I just looked again and now I don't find them. I 
was never referring to anything in the distro.


I agree that it would be better to change cygpath to handle this 
unambiguously.


Thanks,

...Karl

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RE: How to uniformly point to the root of a drive?

[Dave Korn]

On 21 May 2007 15:30, Corinna Vinschen wrote:

> On May 20 22:15, Karl M wrote:
>>> So, translation: cgf made a typo.  The 'w' is not needed.
>>> 
>> However, there are scripts (google "cygpath -wm") out there.
> 
> In the distro?

  Nope.

>  Which ones?  

http://www.google.co.uk/search?q=%22cygpath+-wm%22&sourceid=mozilla-search&sta
rt=0&start=0&ie=utf-8&oe=utf-8&client=firefox-a&rls=org.mozilla:en-GB:official

fisheye5.cenqua.com/browse/~raw,r=1.5/open-jbi-components/tl/src/cmn/setup/bui
ldenv.ksh

fisheye5.cenqua.com/browse/open-esb/tl/src/cmn/setup/buildenv.csh?r=1.12

> It would be better to change them,

  All two of them!

> so we can change cygcheck to handle this unambiguously.

  cygpath.


cheers,
  DaveK
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Re: How to uniformly point to the root of a drive?

[Corinna Vinschen]

On May 21 15:46, Dave Korn wrote:
> On 21 May 2007 15:30, Corinna Vinschen wrote:
> > so we can change cygcheck to handle this unambiguously.
> 
>   cygpath.

Right.  Unfortunately I just found that -m is sometimes used as a modifier
(-dm makes sense) and sometimes standalone (-m instead of -w).

Actually it seems to be better to disallow only combinations which
explicitely don't make sense, but to allow any combination which make
*some* sort of sense.  The rules would be, afaics

- Don't allow -d with -l.
- Allow any other mix of -d, -l, -m and -w.
- Don't allow -u with any of the above flags.

Did I miss one?


Corinna

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Corinna Vinschen  Please, send mails regarding Cygwin to
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Re: How to uniformly point to the root of a drive?

[Corinna Vinschen]

On May 21 17:25, Corinna Vinschen wrote:
> On May 21 15:46, Dave Korn wrote:
> > On 21 May 2007 15:30, Corinna Vinschen wrote:
> > > so we can change cygcheck to handle this unambiguously.
> > 
> >   cygpath.
> 
> Right.  Unfortunately I just found that -m is sometimes used as a modifier
> (-dm makes sense) and sometimes standalone (-m instead of -w).
> 
> Actually it seems to be better to disallow only combinations which
> explicitely don't make sense, but to allow any combination which make
> *some* sort of sense.  The rules would be, afaics
> 
> - Don't allow -d with -l.
> - Allow any other mix of -d, -l, -m and -w.
> - Don't allow -u with any of the above flags.
> 
> Did I miss one?

Yes, I forgot one, -s, which is equivalent to -d, just as modifier
instead of command.  It's a bit of a mess in cygpath...


Corinna

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Corinna Vinschen  Please, send mails regarding Cygwin to
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Re: How to uniformly point to the root of a drive?

[Lev Bishop]

On 5/21/07, Corinna Vinschen <[EMAIL PROTECTED]> wrote:

On May 21 15:46, Dave Korn wrote:
> On 21 May 2007 15:30, Corinna Vinschen wrote:
> > so we can change cygcheck to handle this unambiguously.
>
>   cygpath.

Right.  Unfortunately I just found that -m is sometimes used as a modifier
(-dm makes sense) and sometimes standalone (-m instead of -w).

Actually it seems to be better to disallow only combinations which
explicitely don't make sense, but to allow any combination which make
*some* sort of sense.  The rules would be, afaics

- Don't allow -d with -l.
- Allow any other mix of -d, -l, -m and -w.
- Don't allow -u with any of the above flags.

Did I miss one?


What about -s?

As i hinted in my previous message, the flags handling in cygpath is
inconsistent.
For example:
*) "-t mixed" and "-m" are treated differently wrt the "system" options.
*) You can have "-l" and "-s" in effect at the same time (which
literally means "convert to a short path and then convert back to a
long path" -- maybe this is useful, eg it does filename case
normalization, and checks to see if the file exists, but it seems odd)
*) Options read from a file with "-o" are processed differently to
options on the commandline (for example, in that case the most recent
of -s and -l takes precedence, rather than both in effect at once.)

Also, in case you missed it some other bug causes "-l" with a
nonexistent file to five a corrupted output

Lev

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Re: How to uniformly point to the root of a drive?

[Matthew Woehlke]

Corinna Vinschen wrote:

On May 21 15:46, Dave Korn wrote:

On 21 May 2007 15:30, Corinna Vinschen wrote:

so we can change cygcheck to handle this unambiguously.

  cygpath.


Right.  Unfortunately I just found that -m is sometimes used as a modifier
(-dm makes sense) and sometimes standalone (-m instead of -w).

Actually it seems to be better to disallow only combinations which
explicitely don't make sense, but to allow any combination which make
*some* sort of sense.  The rules would be, afaics

- Don't allow -d with -l.
- Allow any other mix of -d, -l, -m and -w.
- Don't allow -u with any of the above flags.


If you mean that '-[wm]+' (rexexpr syntax) means '-m', that's what I 
thought made the most sense. IOW '-w' defaults to '\' but does not 
override '-m', and '-m' implies '-w' unless otherwise specified. 
Actually I see no problem with '-um', it's just a no-op because '-u' 
means '-m' anyway. Even '-lu' and '-su' are actually valid...


So...

'-w' and '-u' are mutually exclusive.
'-s', '-l', '-m' imply '-w' unless '-u' used
'-d' is an alias for '-ws'

Examples:
cygpath -su 'c:\program files'
--> /cygdrive/c/PROGRA~1 # valid path!
cygpath -dm 'c:\program files'
--> C:/PROGRA~1

--
Matthew
When in doubt, duct tape!


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Re: How to uniformly point to the root of a drive?

[Corinna Vinschen]

On May 21 11:55, Lev Bishop wrote:
> On 5/21/07, Corinna Vinschen <[EMAIL PROTECTED]> wrote:
> >On May 21 15:46, Dave Korn wrote:
> >> On 21 May 2007 15:30, Corinna Vinschen wrote:
> >> > so we can change cygcheck to handle this unambiguously.
> >>
> >>   cygpath.
> >
> >Right.  Unfortunately I just found that -m is sometimes used as a modifier
> >(-dm makes sense) and sometimes standalone (-m instead of -w).
> >
> >Actually it seems to be better to disallow only combinations which
> >explicitely don't make sense, but to allow any combination which make
> >*some* sort of sense.  The rules would be, afaics
> >
> >- Don't allow -d with -l.
> >- Allow any other mix of -d, -l, -m and -w.
> >- Don't allow -u with any of the above flags.
> >
> >Did I miss one?
> 
> What about -s?

http://cygwin.com/ml/cygwin/2007-05/msg00525.html

> As i hinted in my previous message, the flags handling in cygpath is
> inconsistent.
> [...]

Right, I noticed most of your observations when looking into the source
code.  I'm going to rewrite the option handling to be consistent.
Sorta.  Most of the time at least.  Stay tuned.


Corinna

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AllowUsers Help

[mark2]

Hi,
I just signed up for this forum since it looks like there's quite a bit of
useful information on Cygwin here. I have already consulted the Cygwin
manual and searched this forum
(http://www.nabble.com/forum/Search.jtp?forum=12165&local=y&query=allowusers)
but I haven't been able to find the answer to my question. I picked up a
book on SSH (SSH, The Secure Shell from O'Reilly) and it discussed limiting
SSH logins with the AllowUsers command.

In the directory cygwin/etc/defaults/etc, I added the AllowUsers setting
with Notepad in the ssh_config file but nothing happened. I could still log
in with other accounts. I then removed this setting and added it in the
sshd_config file in the same directory. Still nothing. I removed the setting
again.

In the cygwin/etc directory, I added the AllowUsers setting. This time it
worked only too well. Now, I could not even log in and I was the one who was
allowed.

I added the setting near the beginning of the file in each of the three
files (as the second or third line) although I'm not sure whether this is
significant. Since I'm somewhat new to Cygwin, I'm not sure what info is
relevant to include as I ask for help. I'm running Cygwin on a Windows XP
Home Edition computer. Any help would be great. Thanks!

Mark
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Re: AllowUsers Help

[Matthew Woehlke]

mark2 wrote:

I just signed up for this forum


This is not a forum. It's a mailing list.


since it looks like there's quite a bit of
useful information on Cygwin here. I have already consulted the Cygwin
manual and searched this forum
(http://www.nabble.com/forum/Search.jtp?forum=12165&local=y&query=allowusers)
but I haven't been able to find the answer to my question. 


Did you try:
http://sourceware.org/cgi-bin/search.cgi?wm=wrd&form=extended&m=all&s=D&ul=%2Fml%2Fcygwin%2F%25&q=AllowUsers
http://www.google.com/search?hl=en&q=cygwin+ssh+allowusers+site%3Acygwin.com&btnG=Search
http://www.google.com/search?sourceid=mozclient&ie=utf-8&oe=utf-8&q=cygwin+ssh+allowusers


In the directory cygwin/etc/defaults/etc,


"cygwin/etc"? Where is that? Did you mean /etc?


I added the AllowUsers setting
with Notepad in the ssh_config file but nothing happened.


Don't do that. Using Notepad to edit Cygwin config files is likely to 
break things unless you are using text-mode mounts (which themselves can 
break things). You are better off using Cygwin tools, e.g. 'vi'.



In the cygwin/etc directory, I added the AllowUsers setting.


I guess you mean 'in the file /etc/sshd_config'?


Since I'm somewhat new to Cygwin, I'm not sure what info is
relevant to include as I ask for help. I'm running Cygwin on a Windows XP
Home Edition computer. Any help would be great. Thanks!


Start here:
http://cygwin.com/problems.html

--
Matthew
When in doubt, duct tape!


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Re: AllowUsers Help

[mark2]

Matthew Woehlke-3 wrote:
> 
> mark2 wrote:
>> I just signed up for this forum
> 
> This is not a forum. It's a mailing list.
> 
>> since it looks like there's quite a bit of
>> useful information on Cygwin here. I have already consulted the Cygwin
>> manual and searched this forum
>> (http://www.nabble.com/forum/Search.jtp?forum=12165&local=y&query=allowusers)
>> but I haven't been able to find the answer to my question. 
> 
> Did you try:
> http://sourceware.org/cgi-bin/search.cgi?wm=wrd&form=extended&m=all&s=D&ul=%2Fml%2Fcygwin%2F%25&q=AllowUsers
> http://www.google.com/search?hl=en&q=cygwin+ssh+allowusers+site%3Acygwin.com&btnG=Search
> http://www.google.com/search?sourceid=mozclient&ie=utf-8&oe=utf-8&q=cygwin+ssh+allowusers
> 
>> In the directory cygwin/etc/defaults/etc,
> 
> "cygwin/etc"? Where is that? Did you mean /etc?
> 
>> I added the AllowUsers setting
>> with Notepad in the ssh_config file but nothing happened.
> 
> Don't do that. Using Notepad to edit Cygwin config files is likely to 
> break things unless you are using text-mode mounts (which themselves can 
> break things). You are better off using Cygwin tools, e.g. 'vi'.
> 
>> In the cygwin/etc directory, I added the AllowUsers setting.
> 
> I guess you mean 'in the file /etc/sshd_config'?
> 
>> Since I'm somewhat new to Cygwin, I'm not sure what info is
>> relevant to include as I ask for help. I'm running Cygwin on a Windows XP
>> Home Edition computer. Any help would be great. Thanks!
> 
> Start here:
> http://cygwin.com/problems.html
> 
> -- 
> Matthew
> When in doubt, duct tape!
> 
> 
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> 
> 
> 

Thanks for the reply, Matthew.

I noticed the use of the word "forum" throughout as I was searching this
website so I thought it was a forum. Sorry.

I will take a look at those links you suggested.

As for the file addresses, I tried to include them as they are listed in
Windows Explorer and as I see them when I look in Cygwin. There is one file
listed at /etc but there are two files listed at /etc/defaults/etc. Sorry
for any confusion.

Thanks for the info!

Mark
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ps command

[Brian Salter-Duke]

Apologies for asking this. I asked it many years ago and did not get an
answer that allowed me to progress. I can not find the earlier replies
but of course cygwin has improved since then.

I have a program that runs in the background a bit like at daemon. It is
called 'qseek'. I want to know whether it is running from a script. On
linux I run ps in the script and grep the output to see if 'qseek' is
there. On cygwin all I get is this line:-

 1688   11876   36440 1004 15:03:03 /usr/bin/perl

because qseek is a perl script. Is there any way that I can get output
of the running processes that will include the text, 'qseek'? Or can
anyone suggest a work around. I need a script to be able to find out
whether qseek is running, in order to start it if it is not, and leave
it running if it is. I am trying again to get this code working
correctly on cygwin as well as linux.

Regards, Brian.
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   Brian Salter-Duke (Brian Duke)[EMAIL PROTECTED] 
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 Phone 03-93992847. http://www.salter-duke.bigpondhosting.com/brian/index.htm
Honorary Researcher Fellow, Dept. of Medicinal Chemistry, Monash Univ.


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Re: ps command

[Brian Dessent]

Brian Salter-Duke wrote:

> because qseek is a perl script. Is there any way that I can get output
> of the running processes that will include the text, 'qseek'? Or can
> anyone suggest a work around. I need a script to be able to find out
> whether qseek is running, in order to start it if it is not, and leave
> it running if it is. I am trying again to get this code working
> correctly on cygwin as well as linux.

Use procps.  It's much more capable, e.g. "procps -f".  I personally use
something resembling "alias ps='procps aux --forest'".

By the way this very same question came up just the other week.

Brian

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Re: Cygwin Problems on Vista (Install and others)

[DaveB]

rsync problems on Vista cygwin:

My cygwin on Vista seems to work but when I try to do rsync to fixup files
on my ftp server, it chokes with lots of errors and does a bizarre reset of
the permission bits for the destination folder.  Here's what happens:
[this is the same rsync command that works fine on XP]:

===
$ rsync -avz --stats --progress -e ssh . [EMAIL PROTECTED]:/mypath/wherever/
[EMAIL PROTECTED]'s password: xx
building file list ...
8 files to consider
./
rsync: failed to modify permissions on "/mypath/wherever/.": Permission
denied (13)
rsync: recv_generator: failed to stat "/mypath/wherever/firstfile.xxx":
Permission denied (13)
rsync: recv_generator: failed to stat "/mypath/wherever/secondfile.xxx":
Permission denied (13)
...etc...
rsync: recv_generator: mkdir "/mypath/wherever/." failed: Permission denied
(13)
*** Skipping everything below this failed directory ***

...etc...stats...then...

rsync error: some files could not be transferred (code 23) at
/home/lapo/packaging/tmp/rsync-2.6.6/main.c(791)
=

Then after I have done this, I find that the remote directory has had all
its permission bits turned off (chmod 0) and the files in the folder are not
sync'd.  As I said, this is a sequence I have used many times on XP and
continues to work there.

Any suggestions?

PS I also got and fixed the mkpasswd problem as below. cygwin starts without
errors on Vista but then behaves as described above.

N Y wrote:
> 
> I've read that some people can get Cygwin to run on Vista without
> problems, but I've run into almost every reported problem.
> 

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