Mail Archives: cygwin/2009/11/04/09:34:51
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On 11/3/2009 9:54 AM, Corinna Vinschen wrote:
> - Add a bigger patch which allows by default to run multiple Cygwin
> installations in parallel without interferring and without interaction
> between processes running within these installations. This is done by
> computing a key value from the installation path of the Cygwin DLL
> which is used when creating shared objects used for interprocess
> communication and synchronization. This means, you can have multiple
> concurrent Cygwin 1.7 installations in parallel running alongside
> without knowing of each other. However, this also implies that you
> should not try to have one process in installation A interacting with
> any process running in installation B. The results might not be what
> you expect. Keep different Cygwin installations separate. This
> change comes along with a change to the cygcheck tool, see
> http://cygwin.com/1.7/cygwin-ug-net/using-utils.html#cygcheck,
> options --enable-unique-object-names, --disable-unique-object-names,
> and --show-unique-object-names.
>
> - For better debugging of multiple Cygwin installations, every Cygwin
> DLL now generates a registry entry with its installation path and the
> key value computed from this path.
> This change is accompanied by another change in cygcheck, see
> http://cygwin.com/1.7/cygwin-ug-net/using-utils.html#cygcheck,
> and its new option --delete-orphaned-installation-keys.
I experimented a little with the new features and found a couple of
glitches. My normal cygwin installation is in D:\cygwin-1.7. I updated
it to 1.7.0-63 and then installed a second cygwin installation in
C:\cygwin-1.7 just to see if I really could run two cygwin-1.7's at
once. It seemed to work fine.
I then deleted the directory C:\cygwin-1.7 and ran 'cygcheck
--delete-orphaned-installation-keys', followed by 'cygcheck -svr' to
make sure my original cygwin (in D:\cygwin-1.7) was still OK. I'm
attaching some excerpts from the cygcheck output. The most surprising
thing (to me) is that cygcheck was still reporting the standard mounts
C:\cygwin-1.7 / system binary,auto
C:\cygwin-1.7\bin /usr/bin system binary,auto
C:\cygwin-1.7\lib /usr/lib system binary,auto
left over from the installation that was removed. This probably
explains some of the other errors, like cygcheck not being able to find
'id' and 'cygrunsrv'.
I reinstalled cygwin 1.7.0-63 in D:\cygwin-1.7, and everything was back
to normal. In retrospect, I probably should have tried rebooting first
to see if that fixed it. Or maybe there was some other cleanup I should
have done after deleting C:\cygwin-1.7.
Ken
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Cygwin Configuration Diagnostics
Current System Time: Tue Nov 03 21:10:43 2009
Windows XP Professional Ver 5.1 Build 2600 Service Pack 3
Path: D:\cygwin-1.7\usr\local\texlive\2009\bin\i386-cygwin
D:\cygwin-1.7\usr\local\bin
D:\cygwin-1.7\bin
C:\Program Files\ThinkPad\Utilities
C:\WINDOWS\system32
C:\WINDOWS
C:\WINDOWS\System32\Wbem
C:\Program Files\Intel\Wireless\Bin\
C:\Program Files\IBM ThinkVantage\Client Security Solution
C:\Program Files\ThinkPad\ConnectUtilities
C:\Program Files\QuickTime\QTSystem\
C:\Program Files\Common Files\Lenovo
D:\cygwin-1.7\bin
D:\cygwin-1.7\lib\lapack
[At this point cygcheck gave an error message on the terminal
something like "Can't find the 'id' utility." I don't remember the
exact wording.]
SysDir: C:\WINDOWS\system32
WinDir: C:\WINDOWS
[...]
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\Program Options
HKEY_CURRENT_USER\Software\Cygwin
HKEY_CURRENT_USER\Software\Cygwin\Program Options
HKEY_CURRENT_USER\Software\Cygwin\setup
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder\Start Menu2\Programs\Cygwin
(default) = (unsupported type)
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder\Start Menu2\Programs\Cygwin-X
(default) = (unsupported type)
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder\Start Menu2\Programs\Cygwin-X\Information
(default) = (unsupported type)
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2
(default) = '/cygdrive'
cygdrive flags = 0x00000022
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/
(default) = 'D:\cygwin'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/c
(default) = 'c:'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/d
(default) = 'd:'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/Users
(default) = 'C:\Documents and Settings'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/usr/bin
(default) = 'D:\cygwin/bin'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/usr/lib
(default) = 'D:\cygwin/lib'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\Program Options
HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin
HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin\Installations
(default) = '\??\D:\cygwin-1.7'
HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin\Program Options
HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin\setup
(default) = 'C:\cygwin-1.7'
obcaseinsensitive set to 1
Cygwin installations found in the registry:
System: Key: 34ecc2f3970cc4c9 Path: D:\cygwin-1.7
c: hd NTFS 24999Mb 73% CP CS UN PA FC IBM_PRELOAD
d: hd NTFS 27282Mb 76% CP CS UN PA FC
e: cd N/A N/A
C:\cygwin-1.7 / system binary,auto
C:\cygwin-1.7\bin /usr/bin system binary,auto
C:\cygwin-1.7\lib /usr/lib system binary,auto
cygdrive prefix /cygdrive user binary,auto
Found: D:\cygwin-1.7\bin\awk.exe
[...]
Cygwin DLL version info:
DLL version: 1.7.0
DLL epoch: 19
DLL old termios: 5
DLL malloc env: 28
Cygwin conv: 181
API major: 0
API minor: 217
Shared data: 5
DLL identifier: cygwin1
Mount registry: 3
Cygwin registry name: Cygwin
Program options name: Program Options
Installations name: Installations
Cygdrive default prefix:
Build date: Tue Nov 3 15:06:09 CET 2009
Shared id: cygwin1S5
[...]
Can't find the cygrunsrv utility, skipping services check.
Cygwin Package Information
No setup information found
Use -h to see help about each section
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